Network Security

The subject of network security encompasses a wide range of important elements. Securing Networks | Cybersecurity and Infrastructure Security ... Overview Securing networks is a preventative measure in the fight against cybercrime and attacks. The federal enterprise depends on information technology (IT) systems and computer networks for essential operations. Keeping networks safe protects the vital information and operational processes that live and depend on these systems.

Networks face large and diverse cyber threats that range from ... Modern Approaches to Network Access Security - CISA. The Canadian Centre for Cyber Security (CCCS). The guidance urges business owners of all sizes to move toward more robust security solutions—such as Zero Trust, Secure Service Edge (SSE), and Secure Access Service Edge (SASE)—that provide greater visibility of network activity.

Layering Network Security Through Segmentation Infographic - CISA. An effective technique to strengthen security, network segmentation is a physical or virtual architectural approach dividing a network into multiple segments, each acting as its own subnetwork providing additional security and control. Primary Mitigations to Reduce Cyber Threats to Operational ... The Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), Environmental Protection Agency (EPA), and Department of Energy (DOE) are aware of cyber incidents affecting the operational technology (OT) and industrial control systems (ICS).

Official Alerts & Statements - CISA. Official CISA updates to help stakeholders guard against the ever-evolving ransomware threat environment. These alerts, current activity reports, analysis reports, and joint statements are geared toward system administrators and other technical staff to bolster their organization's security posture.

This perspective suggests that, enhanced Visibility and Hardening Guidance for Communications .... This guide provides network engineers and defenders of communications infrastructure with best practices to strengthen their visibility and harden their network devices against successful exploitation carried out by PRC-affiliated and other malicious cyber actors. This report provides an overview of modern approaches to network access security for executive leaders, network defenders of critical infrastructure, and government organizations.

The report is specifically intended for organizations wanting to shift from traditional broad remote access deployments and move toward more robust and fine-grained security solutions (i.e., Secure Service Edge [SSE ... 2023 Top Routinely Exploited Vulnerabilities - CISA. Use security tools such as endpoint detection and response (EDR), web application firewalls, and network protocol analyzers. Ask your software providers to discuss their secure by design program, provide links to information about how they are working to remove classes of vulnerabilities, and to set secure default settings.

Securing Wireless Networks - CISA. Wireless networks introduce additional security risks. If you have a wireless network, make sure to take appropriate precautions to protect your information.

Guidance and Strategies to Protect Network Edge Devices - CISA. This set of guidance, led by international cybersecurity authorities, is intended to help organizations protect their network edge devices and appliances, such as firewalls, routers, virtual private networks (VPN) gateways, Internet of Things (IoT) devices, internet-facing servers, and internet-facing operational technology (OT) systems.