Network hardening

Build a strong, secure network infrastructure

Networks connect systems, devices and users, making them a common target for cyber threats. Network hardening is the process of strengthening a network’s security to make it more difficult for attackers to access or exploit. This includes strengthening access management, improving monitoring of activity and protecting individual systems. Without effective cyber security, attackers can more easily find and exploit network weaknesses to gain access, move across systems or disrupt operations. Network hardening reduces the risk of unauthorised access and improves overall cyber security.

Design and strengthen network infrastructure

Access practical guidance to strengthen network architecture, separate sensitive systems and secure internet-facing edge devices.

Implementing network segmentation and segregation

Learn how to improve network security by separating systems, controlling access, and monitoring network activity to reduce the impact of cyber threats.

Mitigations for network defence

Improve network security by using multiple layers of protection to make it harder for attackers to access systems.

Securing edge devices

Learn how to secure your edge devices to reduce your cyber risk and protect networks.

Network segmentation and segregation – Overview

Strengthen cyber resilience by learning how network segmentation and segregation reduce risk, help contain threats and protect critical services.

Network segmentation and segregation – Anti-patterns

Spot hidden network security gaps and learn how to strengthen segmentation to reduce risk and limit cyber threats.

Secure Domain Name System services

Learn how domain owners and resolvers can protect Domain Name System (DNS) services and reduce the risk of misuse or compromise.

Domain Name System security for domain owners

Learn how to protect your domain by securing your domain name system records and accounts to prevent takeover and misuse.

Domain Name System security for domain resolvers

Learn how to secure your domain name system servers to stop attacks and keep your network protected.

Reduce risks from malicious network activity

Understand and mitigate risks associated with malicious hosting, anonymous network traffic and location-based blocking controls.

Bulletproof defense: mitigating risks from bulletproof hosting providers

Learn how to detect and reduce risks from bulletproof hosting, and strengthen your network to block, monitor, and respond effectively.

Defending against the malicious use of the Tor network

Manage risks from Tor network traffic by using controls to reduce misuse and improve visibility across your systems.

Geo-blocking in context: Realities, risks and recommendations

Understand the benefits and limitations of geo blocking and apply practical measures to reduce risk while maintaining network security.

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