---
title: "Defense in Depth: A Process for Building Multi-Layered Security Control for Enterprise IT Infrastructure"
description: Discover how NetNam enhances cybersecurity with a defense-in-depth approach, optimizing infrastructure and ensuring business continuity for enterprises.
image: https://netnam.com/hubfs/Blog%20-%20Featured%20Images/Defense%20in%20Depth%20A%20Process%20for%20Building%20Multi-Layered%20Security%20Control%20for%20Enterprise%20IT%20Infrastructure.jpg
---

[![mjx-nn-logo-white](https://netnam.com/hubfs/netnam_website_image/00_netnam_logo/mjx-nn-logo-white.png)](https://netnam.com/en/home?hsLang=en)

Services

![mjx-nn-arrow-down\_gray](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_caret_icons/mjx-nn-arrow-down_gray.svg) ![mjx-nn-arrow-down\_green](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_caret_icons/mjx-nn-arrow-down_green.svg)

![mjx-netnam-service-group-internet\_green-900](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_2_nav_services_icons/01_internet_access_services/mjx-netnam-service-group-internet_green-900.svg)

Internet Access services

![netnam-dropdown-arrow\_gray](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_caret_icons/mjx-nn-arrow-down_gray.svg)

[Premium DIA ![netnam-link-arrow-outward](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/premium-dia?hsLang=en) [FTTx ![netnam-link-arrow-outward](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/fttx?hsLang=en)

![mjx-netnam-service-group-data-transmission-green\_900](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_2_nav_services_icons/02_data_transmission_services/mjx-netnam-service-group-data-transmission-green_900.svg)

Data Transmission services

![netnam-dropdown-arrow\_gray](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_caret_icons/mjx-nn-arrow-down_gray.svg)

[Data Transmission ![netnam-link-arrow-outward](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/data-transmission?hsLang=en) [SD-WAN & Cloud Connect ![netnam-link-arrow-outward](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/cloud-connect-sd-wan?hsLang=en)

![mjx-netnam-service-group-event-tech-green\_900](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_2_nav_services_icons/03_event_tech_services/mjx-netnam-service-group-event-tech-green_900.svg)

Event Tech services

![netnam-dropdown-arrow\_gray](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_caret_icons/mjx-nn-arrow-down_gray.svg)

[Internet Wi-Fi ![netnam-link-arrow-outward](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/internet-wifi?hsLang=en) [Livestream & Online Conference ![netnam-link-arrow-outward](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/livestream-video-conference?hsLang=en) [Event Technology ![netnam-link-arrow-outward](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/event-tech?hsLang=en)

![mjx-netnam-service-group-managed-service-2-green\_900](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_2_nav_services_icons/04_managed_services_provider/mjx-netnam-service-group-managed-service-2-green_900.svg)

Managed Service Provider

![netnam-dropdown-arrow\_gray](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_caret_icons/mjx-nn-arrow-down_gray.svg)

[IT Infrastructure Management ![netnam-link-arrow-outward](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/misp?hsLang=en) [Managed Security Service ![netnam-link-arrow-outward](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/mssp?hsLang=en)

![mjx-netnam-service-group-managed-service-1-green\_900](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_2_nav_services_icons/04_managed_services_provider/mjx-netnam-service-group-managed-service-1-green_900.svg)

Add-on services

![netnam-dropdown-arrow\_gray](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_caret_icons/mjx-nn-arrow-down_gray.svg)

[Other IT services ![netnam-link-arrow-outward](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/other-it-services?hsLang=en)

[NetNam deploys internet service to serve the ceremony to celebrate Vietnam Science and Technology Day ![NetNam - Arrow - Link - Icon](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg) ![](https://netnam.com/hubfs/4.jpg)](https://netnam.com/en/resources/netnam-deploys-internet-service-to-serve-the-ceremony-to-celebrate-vietnam-science-and-technology-day?hsLang=en)

[TIN MỚI Quản trị quyền truy cập đối tác trong hệ sinh thái số khách sạn](https://netnam.com/thu-vien/qu%E1%BA%A3n-tr%E1%BB%8B-quy%E1%BB%81n-truy-c%E1%BA%ADp-%C4%91%E1%BB%91i-t%C3%A1c-trong-h%E1%BB%87-sinh-th%C3%A1i-s%E1%BB%91-kh%C3%A1ch-s%E1%BA%A1n?hsLang=en)

[NEW Protecting Customer Data Is Becoming a Core Capability for IT Outsourcing Providers](https://netnam.com/en/resources/b%E1%BA%A3o-v%E1%BB%87-d%E1%BB%AF-li%E1%BB%87u-kh%C3%A1ch-h%C3%A0ng-tr%E1%BB%9F-th%C3%A0nh-n%C4%83ng-l%E1%BB%B1c-thi%E1%BA%BFt-y%E1%BA%BFu-c%E1%BB%A7a-doanh-nghi%E1%BB%87p-it-outsourcing?hsLang=en)

Solutions

![mjx-nn-arrow-down\_gray](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_caret_icons/mjx-nn-arrow-down_gray.svg) ![mjx-nn-arrow-down\_green](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_caret_icons/mjx-nn-arrow-down_green.svg)

[![mjx-nn-icon-solutions-hospitality\_green-900](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_3_nav_solutions_icons/hospitality/mjx-nn-icon-solutions-hospitality_green-900.svg) ![mjx-nn-icon-solutions-hospitality\_white](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_3_nav_solutions_icons/hospitality/mjx-nn-icon-solutions-hospitality_white.svg) Hospitality Elevate customer experiences and operational efficiency in the hospitality industry ![](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/hospitality?hsLang=en)

[![mjx-nn-icon-solutions-it-outsourcing\_green-900](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_3_nav_solutions_icons/it_outsourcing/mjx-nn-icon-solutions-it-outsourcing_green-900.svg) ![mjx-nn-icon-solutions-it-outsourcing\_white](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_3_nav_solutions_icons/it_outsourcing/mjx-nn-icon-solutions-it-outsourcing_white.svg) IT Outsourcing Security - Performance - Connectivity. Trusted partner for ITO businesses ![](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/it-outsource?hsLang=en)

[![mjx-nn-icon-solutions-banking-finance\_green-900](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_3_nav_solutions_icons/finance_banking/mjx-nn-icon-solutions-banking-finance_green-900.svg) ![mjx-nn-icon-solutions-banking-finance\_white](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_3_nav_solutions_icons/finance_banking/mjx-nn-icon-solutions-banking-finance_white.svg) Finance & Banking Strong connections, secure protection for financial transactions ![](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/finance-and-banking?hsLang=en)

[![mjx-nn-icon-solutions-mnc\_green-900](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_3_nav_solutions_icons/mncs/mjx-nn-icon-solutions-mnc_green-900.svg) ![mjx-nn-icon-solutions-mnc\_white](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_3_nav_solutions_icons/mncs/mjx-nn-icon-solutions-mnc_white.svg) MNCs Global networks - Reliable connectivity for multinational corporations ![](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/mnc?hsLang=en)

[![mjx-nn-icon-solutions-international-education\_green-900](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_3_nav_solutions_icons/international_education/mjx-nn-icon-solutions-international-education_green-900.svg) ![mjx-nn-icon-solutions-international-education\_white](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_3_nav_solutions_icons/international_education/mjx-nn-icon-solutions-international-education_white.svg) International Education Enhance online learning experiences and global collaboration ![](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/international-education?hsLang=en)

[![mjx-nn-icon-solutions-industrial-zone\_green-900](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_3_nav_solutions_icons/industrial_development_zones/mjx-nn-icon-solutions-industrial-zone_green-900.svg) ![mjx-nn-icon-solutions-industrial-zone\_white](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_3_nav_solutions_icons/industrial_development_zones/mjx-nn-icon-solutions-industrial-zone_white.svg) Industrial Development Zones Boost connectivity and efficiency in industrial zones across Vietnam ![](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/industrial-zone?hsLang=en)

[ANNOUNCEMENT ABOUT NETNAM'S POLICY OF PERSONAL DATA PROCESSING AND PROTECTION Read more ![NetNam - Arrow - Link - Icon](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg) ![](https://netnam.com/hubfs/Blog%20-%20Image%20(Do%20not%20touch)/Blog%20Post/Hanoi_Skyline_-_NKS-1-1-min.jpg)](https://netnam.com/en/resources/announcement-about-netnams-policy-of-personal-data-processing-and-protection?hsLang=en)

[TIN MỚI Quản trị quyền truy cập đối tác trong hệ sinh thái số khách sạn](https://netnam.com/thu-vien/qu%E1%BA%A3n-tr%E1%BB%8B-quy%E1%BB%81n-truy-c%E1%BA%ADp-%C4%91%E1%BB%91i-t%C3%A1c-trong-h%E1%BB%87-sinh-th%C3%A1i-s%E1%BB%91-kh%C3%A1ch-s%E1%BA%A1n?hsLang=en)

[NEW Protecting Customer Data Is Becoming a Core Capability for IT Outsourcing Providers](https://netnam.com/en/resources/b%E1%BA%A3o-v%E1%BB%87-d%E1%BB%AF-li%E1%BB%87u-kh%C3%A1ch-h%C3%A0ng-tr%E1%BB%9F-th%C3%A0nh-n%C4%83ng-l%E1%BB%B1c-thi%E1%BA%BFt-y%E1%BA%BFu-c%E1%BB%A7a-doanh-nghi%E1%BB%87p-it-outsourcing?hsLang=en)

Library

![mjx-nn-arrow-down\_gray](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_caret_icons/mjx-nn-arrow-down_gray.svg) ![mjx-nn-arrow-down\_green](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_caret_icons/mjx-nn-arrow-down_green.svg)

[![news\_24dp\_011E1A\_FILL1\_wght400\_GRAD0\_opsz24](https://netnam.com/hubfs/news_24dp_011E1A_FILL1_wght400_GRAD0_opsz24.svg) ![news\_24dp\_FFF\_FILL1\_wght400\_GRAD0\_opsz24](https://netnam.com/hubfs/news_24dp_FFF_FILL1_wght400_GRAD0_opsz24.svg) Newsroom Stay updated with latest company activities, business achievements and industry trends. ![](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/resources)

[![auto\_stories\_24dp\_011E1A\_FILL1\_wght400\_GRAD0\_opsz24](https://netnam.com/hubfs/auto_stories_24dp_011E1A_FILL1_wght400_GRAD0_opsz24.svg) ![auto\_stories\_24dp\_FFF\_FILL1\_wght400\_GRAD0\_opsz24](https://netnam.com/hubfs/auto_stories_24dp_FFF_FILL1_wght400_GRAD0_opsz24.svg) Blog Share professional expertise, practical insights and in-depth perspectives. ![](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/thu-vien/blog/?hsLang=en)

[TIN MỚI Quản trị quyền truy cập đối tác trong hệ sinh thái số khách sạn](https://netnam.com/thu-vien/qu%E1%BA%A3n-tr%E1%BB%8B-quy%E1%BB%81n-truy-c%E1%BA%ADp-%C4%91%E1%BB%91i-t%C3%A1c-trong-h%E1%BB%87-sinh-th%C3%A1i-s%E1%BB%91-kh%C3%A1ch-s%E1%BA%A1n?hsLang=en)

[NEW Protecting Customer Data Is Becoming a Core Capability for IT Outsourcing Providers](https://netnam.com/en/resources/b%E1%BA%A3o-v%E1%BB%87-d%E1%BB%AF-li%E1%BB%87u-kh%C3%A1ch-h%C3%A0ng-tr%E1%BB%9F-th%C3%A0nh-n%C4%83ng-l%E1%BB%B1c-thi%E1%BA%BFt-y%E1%BA%BFu-c%E1%BB%A7a-doanh-nghi%E1%BB%87p-it-outsourcing?hsLang=en)

About NetNam

![mjx-nn-arrow-down\_gray](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_caret_icons/mjx-nn-arrow-down_gray.svg) ![mjx-nn-arrow-down\_green](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_caret_icons/mjx-nn-arrow-down_green.svg)

[![mjx-nn-icon-mission\_green-900-1](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_4_nav_about_icons/mjx-nn-icon-mission_green-900-1.svg) ![mjx-nn-icon-mission\_white-1](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_4_nav_about_icons/mjx-nn-icon-mission_white-1.svg) Vision & Mission Serving society with advanced technology, the top choice for Internet and specialized network solutions ![](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/about-netnam?hsLang=en#mission)

[![mjx-nn-icon-mission\_green-900](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_4_nav_about_icons/mjx-nn-icon-mission_green-900.svg) ![mjx-nn-icon-core-value-white\_white](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_4_nav_about_icons/mjx-nn-icon-core-value-white_white.svg) Core Value All wins - NetNam is committed to ensuring the harmony of interests of shareholders, employees, and clients and partners ![](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/about-netnam?hsLang=en#core-value)

[![mjx-nn-icon-leadership\_green-900](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_4_nav_about_icons/mjx-nn-icon-leadership_green-900.svg) ![mjx-nn-icon-leadership\_white](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_4_nav_about_icons/mjx-nn-icon-leadership_white.svg) Leadership Team Led by a strategic vision, the leadership team is committed to building the most advanced network infrastructure ![](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/about-netnam?hsLang=en#leadership)

[![mjx-nn-icon-career\_green-900](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_4_nav_about_icons/mjx-nn-icon-career_green-900.svg) ![mjx-nn-icon-career\_white](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_4_nav_about_icons/mjx-nn-icon-career_white.svg) Careers Explore career development opportunities and join NetNam in building a stronger future ![](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg)](https://netnam.com/en/career?hsLang=en)

[NetNam moves Headquarter and Northern Branch Office Read more ![NetNam - Arrow - Link - Icon](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_link_icons/mjx-nn-arrow_outward.svg) ![](https://netnam.com/hubfs/h%C3%ACnh%20%E1%BA%A3nh_2024-10-11_100513853.png)](https://netnam.com/en/resources/netnam-moves-headquarters-and-northern-branch-office?hsLang=en)

[TIN MỚI Quản trị quyền truy cập đối tác trong hệ sinh thái số khách sạn](https://netnam.com/thu-vien/qu%E1%BA%A3n-tr%E1%BB%8B-quy%E1%BB%81n-truy-c%E1%BA%ADp-%C4%91%E1%BB%91i-t%C3%A1c-trong-h%E1%BB%87-sinh-th%C3%A1i-s%E1%BB%91-kh%C3%A1ch-s%E1%BA%A1n?hsLang=en)

[NEW Protecting Customer Data Is Becoming a Core Capability for IT Outsourcing Providers](https://netnam.com/en/resources/b%E1%BA%A3o-v%E1%BB%87-d%E1%BB%AF-li%E1%BB%87u-kh%C3%A1ch-h%C3%A0ng-tr%E1%BB%9F-th%C3%A0nh-n%C4%83ng-l%E1%BB%B1c-thi%E1%BA%BFt-y%E1%BA%BFu-c%E1%BB%A7a-doanh-nghi%E1%BB%87p-it-outsourcing?hsLang=en)

[Invoice](https://netnam.com/en/invoice?hsLang=en)

![](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_cta_icons/mjx-nn-phone-green_600.svg)

Hotline

![NetNam Dropdown Caret](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_caret_icons/mjx-nn-arrow-down_gray.svg) ![NetNam Dropdown Caret](https://netnam.com/hubfs/netnam_website_image/01_module_assets/1_1_global_modules_assets/1_1_1_global_navigation/1_1_1_1_nav_generic_icons/nav_caret_icons/mjx-nn-arrow-down_green.svg)

[19001586](tel:19001586) [(+84) 243 5655 656](tel:19001586)

[Contact us](https://netnam.com/en/contact-netnam?hsLang=en)

English

- [Tiếng Việt](https://netnam.com/thu-vien/tai-lieu/defense-in-depth-quy-trinh-xay-dung-kiem-soat-bao-mat-da-lop-cho-ha-tang-it-doanh-nghiep)
- [English](https://netnam.com/en/resources/download/defense-in-depth-a-process-for-building-multi-layered-security-control-for-enterprise-it-infrastructure)

NetNam news

# Defense in Depth: A Process for Building Multi-Layered Security Control for Enterprise IT Infrastructure

08-05-2026

 2 Minutes Read

[Optimize with NetNam](https://netnam.com/en/resources/tag/optimize-with-netnam)

![](https://netnam.com/hubfs/Blog%20-%20Featured%20Images/Defense%20in%20Depth%20A%20Process%20for%20Building%20Multi-Layered%20Security%20Control%20for%20Enterprise%20IT%20Infrastructure.jpg)

[![facebook-icon](https://netnam.com/hubfs/Blog%20-%20Image%20(Do%20not%20touch)/Blog%20Post/ri_facebook-fill-white.svg)](http://www.facebook.com/share.php?u=https://netnam.com/en/resources/download/defense-in-depth-a-process-for-building-multi-layered-security-control-for-enterprise-it-infrastructure) [![linkedin-icon](https://netnam.com/hubfs/Blog%20-%20Image%20(Do%20not%20touch)/Blog%20Post/ri_linkedin-fill-white.svg)](http://www.linkedin.com/shareArticle?mini=true&url=https://netnam.com/en/resources/download/defense-in-depth-a-process-for-building-multi-layered-security-control-for-enterprise-it-infrastructure) [![X-icon](https://netnam.com/hubfs/Blog%20-%20Image%20(Do%20not%20touch)/Blog%20Post/prime_twitter-white.svg)](https://twitter.com/intent/tweet?original_referer=https://netnam.com/en/resources/download/defense-in-depth-a-process-for-building-multi-layered-security-control-for-enterprise-it-infrastructure&url=https://netnam.com/en/resources/download/defense-in-depth-a-process-for-building-multi-layered-security-control-for-enterprise-it-infrastructure&source=tweetbutton&text=)

Download the document now

[Managed Security Service Read more ![NetNam - Arrow - Link - Icon](https://netnam.com/hubfs/IMPORTANT%20-%20Website%20Image%20Source/arrow_outward-1.svg) ![NetNam - Ebook Cover Background - Hospitality](https://netnam.com/hubfs/Blog%20-%20Featured%20Images/Data%20center.jpg)](https://netnam.com/en/mssp?hsLang=en)

In the modern cybersecurity landscape, the "zero tolerance for failure" mindset is increasingly exposing fatal vulnerabilities. As 90% of data breaches exploit existing vulnerabilities with available patches, the urgent question for IT administrators is no longer "Will the system be attacked?", but rather "When an attack occurs, do the security controls possess sufficient capacity to detect and respond in time?".

The document **"Defense in Depth: A Process for Building Multi-Layered Security Controls for Enterprise IT Infrastructure,"** published by **NetNam Corporation**, provides the actionable solution to this challenge.

### Why is this a must-have document?

This Ebook moves beyond general theories to focus on a practical framework and specific technical benchmark tables for direct application within operational environments:

- **Systematizing 3 Core Control Layers:** Clarifying the roles and coordination between Preventive, Detective, and Corrective measures to ensure no security gaps remain unaddressed.
- **Transitioning to the Zero Trust Model:** Providing a detailed roadmap to migrate from traditional network perimeters to a Zero Trust architecture—where identity becomes the new security perimeter.
- **Optimizing Operational Performance via KPIs:** Establishing a set of metrics to measure actual effectiveness, such as Mean Time to Detect (MTTD) and Mean Time to Respond (MTTR).
- **Periodic Audit Checklists:** Weekly, monthly, and quarterly checklists to maintain the stability of the defense system.

### Strategic values for Administrators

Owning this Ebook empowers technical management teams to:

- **Minimize the Blast Radius:** Utilizing network segmentation techniques and Privileged Access Management (PAM).
- **Invest with Focus:** Mapping security controls to the Cyber Kill Chain to identify optimal intervention points, avoiding fragmented investments.
- **Build a Sustainable Security Culture:** Approaching incident analysis through Blameless Post-mortems to facilitate continuous system improvement.

👈 **DOWNLOAD THE FREE EBOOK HERE**

*Receive the complete set of guidance documents and the Multi-Layered Security Implementation Checklist for enterprises immediately.*

### Comprehensive Security Operation Support Solutions from NetNam

Beyond providing a defense-in-depth mindset through documentation, NetNam partners with enterprises to realize security control layers through a specialized service ecosystem. With over 30 years of experience in network infrastructure and security, NetNam's solutions optimize resources and ensure business continuity:

- **Design and Deploy Zero Trust & ZTNA Architecture:** Replacing traditional VPNs with per-application access models to mitigate the risk of lateral movement within the system.
- **Managed Security Services (MSS):** Operating a professional SOC team to monitor, detect, and respond to threats in real-time, ensuring optimal MTTD and MTTR metrics.
- **Cybersecurity Assessment and Periodic Vulnerability Scanning:** Performing Penetration Testing (Pentest) and systematic vulnerability reviews on a quarterly schedule to strengthen preventive layers.
- **Cloud Infrastructure and Hybrid Environment Security:** Supporting the execution of the Shared Responsibility Model, ensuring secure configurations for Cloud assets and SaaS applications.

Through a combination of robust telecommunications infrastructure and advanced security tools such as NGFW, SIEM, and EDR, NetNam commits to protecting the integrity of digital assets, allowing organizations to focus on their strategic goals with peace of mind.

**Contact NetNam:**

- **Hotline:** 1900 1586
- **Email:** [netguardx@netnam.vn](mailto:netguardx@netnam.vn)
- **Website:** [www.netnam.com](https://netnam.com/en/home?hsLang=en)
- **Comprehensive Cybersecurity Monitoring Services:** [www.netguardx.netnam.com](https://netguardx.netnam.com/en)

Related Articles

[![](https://netnam.com/hubfs/undefined-Oct-12-2026-08-01-07-4767-AM.png) Quản trị quyền truy cập đối tác trong hệ sinh thái số khách sạn](https://netnam.com/thu-vien/qu%E1%BA%A3n-tr%E1%BB%8B-quy%E1%BB%81n-truy-c%E1%BA%ADp-%C4%91%E1%BB%91i-t%C3%A1c-trong-h%E1%BB%87-sinh-th%C3%A1i-s%E1%BB%91-kh%C3%A1ch-s%E1%BA%A1n?hsLang=en)

[![](https://netnam.com/hubfs/undefined-Oct-12-2026-07-59-18-7699-AM.png) Thời gian phát hiện và phản ứng định hình mức độ gián đoạn do ransomware](https://netnam.com/thu-vien/th%E1%BB%9Di-gian-ph%C3%A1t-hi%E1%BB%87n-v%C3%A0-ph%E1%BA%A3n-%E1%BB%A9ng-%C4%91%E1%BB%8Bnh-h%C3%ACnh-m%E1%BB%A9c-%C4%91%E1%BB%99-gi%C3%A1n-%C4%91o%E1%BA%A1n-do-ransomware?hsLang=en)

[![](https://netnam.com/hubfs/AI-Generated%20Media/Images/Cybersecurity%20Monitoring%20System%20Expansion.png) Tấn công không dùng mã độc mở rộng phạm vi giám sát an ninh mạng](https://netnam.com/thu-vien/t%E1%BA%A5n-c%C3%B4ng-kh%C3%B4ng-d%C3%B9ng-m%C3%A3-%C4%91%E1%BB%99c-m%E1%BB%9F-r%E1%BB%99ng-ph%E1%BA%A1m-vi-gi%C3%A1m-s%C3%A1t-an-ninh-m%E1%BA%A1ng?hsLang=en)

[![](https://netnam.com/hubfs/undefined-Oct-12-2026-03-57-44-3049-AM.png) Quản trị công cụ bảo mật như một tài sản công nghệ cốt lõi xuyên suốt vòng đời vận hành](https://netnam.com/thu-vien/qu%E1%BA%A3n-tr%E1%BB%8B-c%C3%B4ng-c%E1%BB%A5-b%E1%BA%A3o-m%E1%BA%ADt-nh%C6%B0-m%E1%BB%99t-t%C3%A0i-s%E1%BA%A3n-c%C3%B4ng-ngh%E1%BB%87-c%E1%BB%91t-l%C3%B5i-xuy%C3%AAn-su%E1%BB%91t-v%C3%B2ng-%C4%91%E1%BB%9Di-v%E1%BA%ADn-h%C3%A0nh?hsLang=en)

[![](https://netnam.com/hubfs/Services%20Mini%20Site/NetGuardX/assets/thumb_4.jpg) Protecting Customer Data Is Becoming a Core Capability for IT Outsourcing Providers](https://netnam.com/en/resources/b%E1%BA%A3o-v%E1%BB%87-d%E1%BB%AF-li%E1%BB%87u-kh%C3%A1ch-h%C3%A0ng-tr%E1%BB%9F-th%C3%A0nh-n%C4%83ng-l%E1%BB%B1c-thi%E1%BA%BFt-y%E1%BA%BFu-c%E1%BB%A7a-doanh-nghi%E1%BB%87p-it-outsourcing?hsLang=en)

[![](https://netnam.com/hubfs/Services%20Mini%20Site/NetGuardX/assets/thumb_6.jpg) Why Do Businesses Still Need 24/7 Cybersecurity Monitoring After Investing in Multiple Security Layers?](https://netnam.com/en/resources/doanh-nghi%E1%BB%87p-%C4%91%C3%A3-%C4%91%E1%BA%A7u-t%C6%B0-nhi%E1%BB%81u-l%E1%BB%9Bp-b%E1%BA%A3o-m%E1%BA%ADt-v%C3%AC-sao-v%E1%BA%ABn-c%E1%BA%A7n-gi%C3%A1m-s%C3%A1t-an-ninh-m%E1%BA%A1ng-24/7?hsLang=en)

[![](https://netnam.com/hubfs/Blog%20Image%20-%20Optimized/A%20cybersecurity%20engineer%20reducing%20workload.jpg) Proactive Cybersecurity Starts with Early Risk Visibility](https://netnam.com/en/resources/an-ninh-m%E1%BA%A1ng-ch%E1%BB%A7-%C4%91%E1%BB%99ng-b%E1%BA%AFt-%C4%91%E1%BA%A7u-t%E1%BB%AB-kh%E1%BA%A3-n%C4%83ng-nh%C3%ACn-th%E1%BA%A5y-r%E1%BB%A7i-ro-s%E1%BB%9Bm?hsLang=en)

[![](https://netnam.com/hubfs/undefined-Sep-24-2026-08-38-13-3717-AM.png) Maintaining Stable and Continuous Internet Connectivity for Outdoor Events](https://netnam.com/en/resources/duy-tr%C3%AC-k%E1%BA%BFt-n%E1%BB%91i-internet-%E1%BB%95n-%C4%91%E1%BB%8Bnh-v%C3%A0-li%C3%AAn-t%E1%BB%A5c-cho-c%C3%A1c-s%E1%BB%B1-ki%E1%BB%87n-ngo%C3%A0i-tr%E1%BB%9Di?hsLang=en)

## [Contact NetNam now! Contact NetNam's experts to receive consultation with high-quality Internet connectivity solutions for your business Book an appointment today ![](https://netnam.com/hubfs/netnam_website_image/03_global_assets/3_2_global_images/3_2_1_data_spread/mjx-nn-pattern-spread-wing-right-white.svg)](https://netnam.com/en/contact-netnam?hsLang=en)

![](https://netnam.com/hubfs/netnam_website_image/00_netnam_logo/mjx-nn-logo-white.png)

Contact NetNam Corporation

[Hotline: 19001586](tel:19001586) [|   (+84) 0243 5655 656](tel:+8402435655656) [support@netnam.com](mailto:support@netnam.com) [www.netnam.com](https://netnam.com?hsLang=en)

Head Office:

[2nd Floor, HITC Building, 239 Xuan Thuy Street, Cau Giay Ward, Hanoi City](https://www.google.com/maps/place/C%C3%B4ng+ty+C%E1%BB%95+ph%E1%BA%A7n+NetNam/@21.0356983,105.7833056,15z/data=!4m2!3m1!1s0x0:0xf51361b77550cd63?sa=X&ved=1t:2428&ictx=111)

Ho Chi Minh City Branch:

[12th Floor, VOV Building, 7 Nguyen Thi Minh Khai Street, Sai Gon Ward, Ho Chi Minh City](https://maps.app.goo.gl/fTXiNzBzNd5iRuKp8)

Central Region Business Center:

[2 Quang Trung Street, Hai Chau Ward, Da Nang City](https://www.google.com/maps/place/2+Quang+Trung,+H%E1%BA%A3i+Ch%C3%A2u+1,+H%E1%BA%A3i+Ch%C3%A2u,+%C4%90%C3%A0+N%E1%BA%B5ng+550000,+Vi%E1%BB%87t+Nam/@16.0750297,108.2169474,17z/data=!3m1!4b1!4m10!1m2!2m1!1ss%E1%BB%91+2+Quang+Trung!3m6!1s0x3142183a789dbf73:0xbb546c8f51f3db9a!8m2!3d16.0750298!4d108.2218183!15sChJz4buRIDIgUXVhbmcgVHJ1bmeSARBnZW9jb2RlZF9hZGRyZXNz4AEA!16s%2Fg%2F11c5mx4glq?entry=ttu&g_ep=EgoyMDI0MTAwOS4wIKXMDSoASAFQAw%3D%3D)

Responsible for content

Ms. Nguyen Thi Thu Phuong - Deputy General Director

![](https://netnam.com/hubfs/IMPORTANT%20-%20Website%20Image%20Source/netnam-icon-certificate.png)

Services

![](https://netnam.com/hubfs/IMPORTANT%20-%20Website%20Image%20Source/mjx-nn-arrow-down_gray.svg)

Internet Access services

[Premium DIA](https://netnam.com/en/premium-dia?hsLang=en) [FTTx](https://netnam.com/en/fttx?hsLang=en)

Data Transmission services

[Data Transmission](https://netnam.com/en/data-transmission?hsLang=en) [SD-WAN & Cloud Connect](https://netnam.com/en/cloud-connect-sd-wan?hsLang=en)

Event Tech services

[Internet Wi-Fi](https://netnam.com/en/internet-wifi?hsLang=en) [Livestream & Online Conference](https://netnam.com/en/livestream-video-conference?hsLang=en) [Event Technology](https://netnam.com/en/event-tech?hsLang=en)

Managed Service Provider

[IT Infrastructure Management](https://netnam.com/en/misp?hsLang=en) [Managed Security Service](https://netnam.com/en/mssp?hsLang=en)

Other IT services

[Add-on services](https://netnam.com/en/other-it-services?hsLang=en)

Solutions

![](https://netnam.com/hubfs/IMPORTANT%20-%20Website%20Image%20Source/mjx-nn-arrow-down_gray.svg)

[IT Outsourcing](https://netnam.com/en/it-outsource?hsLang=en) [Finance & Banking](https://netnam.com/en/finance-and-banking?hsLang=en) [MNCs](https://netnam.com/en/mnc?hsLang=en) [International Education](https://netnam.com/en/international-education?hsLang=en) [Industrial Development Zones](https://netnam.com/en/industrial-zone?hsLang=en) [Hospitality](https://netnam.com/en/hospitality?hsLang=en)

About NetNam

![](https://netnam.com/hubfs/IMPORTANT%20-%20Website%20Image%20Source/mjx-nn-arrow-down_gray.svg)

[About NetNam](https://netnam.com/en/about-netnam?hsLang=en) [Career](https://netnam.com/en/career?hsLang=en) [Contact](https://netnam.com/en/contact-netnam?hsLang=en)

Library

![](https://netnam.com/hubfs/IMPORTANT%20-%20Website%20Image%20Source/mjx-nn-arrow-down_gray.svg)

[All News](https://netnam.com/en/all-articles?hsLang=en) [Featured Articles](https://netnam.com/en/resources) [Company Activities](https://netnam.com/en/resources)

Support

![](https://netnam.com/hubfs/IMPORTANT%20-%20Website%20Image%20Source/mjx-nn-arrow-down_gray.svg)

[Reach out to our expert](https://netnam.com/en/contact-netnam?hsLang=en) [Register free-trial](https://netnam.com/en/contact-netnam?hsLang=en) [Invoice Lookup](https://netnam.com/en/invoice?hsLang=en)

© 2024 NetNam. All right reserved.

[![ri\_facebook-fill-white](https://netnam.com/hubfs/Blog%20-%20Image%20(Do%20not%20touch)/Blog%20Post/ri_facebook-fill-white.svg)](https://www.facebook.com/NetNam) [![ri\_linkedin-fill-white](https://netnam.com/hubfs/IMPORTANT%20-%20Website%20Image%20Source/ri_linkedin-fill-white.svg)](https://www.linkedin.com/company/netnam/) [![mingcute\_youtube-fill-white](https://netnam.com/hubfs/IMPORTANT%20-%20Website%20Image%20Source/mingcute_youtube-fill-white.svg)](https://www.youtube.com/@netnamcorp.official9366)

```json
{
  "@context" : "https://schema.org",
  "@type" : "BlogPosting",
  "author" : {
    "@type" : "Person",
    "name" : "Marketing NetNam",
    "url" : "https://netnam.com/en/resources/author/marketing-netnam"
  },
  "dateModified" : "2026-05-08T08:15:05.152Z",
  "datePublished" : "2026-05-08T08:15:05.000Z",
  "headline" : "Defense in Depth: A Process for Building Multi-Layered Security Control for Enterprise IT Infrastructure",
  "image" : [ "https://netnam.com/hubfs/Blog%20-%20Featured%20Images/Defense%20in%20Depth%20A%20Process%20for%20Building%20Multi-Layered%20Security%20Control%20for%20Enterprise%20IT%20Infrastructure.jpg" ],
  "mainEntityOfPage" : {
    "@id" : "https://netnam.com/en/resources/download/defense-in-depth-a-process-for-building-multi-layered-security-control-for-enterprise-it-infrastructure",
    "@type" : "WebPage"
  },
  "publisher" : {
    "@type" : "Organization",
    "logo" : {
      "@type" : "ImageObject",
      "url" : "https://netnam.com/hubfs/Logo.png"
    },
    "name" : "Standard"
  }
}
```