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What Is a Firewall and Do you Need One?

Adam Levin

A firewall is a network security device or program designed to prevent unauthorized and malicious internet traffic from entering a private network or device. Firewalls filter incoming network traffic at a computer’s entry points, or ports, where information is exchanged between the computer network and external devices. Probably not.

Firewall 298
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Backdoor in Zyxel Firewalls and Gateways

Schneier on Security

This is bad : More than 100,000 Zyxel firewalls, VPN gateways, and access point controllers contain a hardcoded admin-level backdoor account that can grant attackers root access to devices via either the SSH interface or the web administration panel. […].

Firewall 327
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The Crucial Role of Firewall Rule Histories

Security Boulevard

One often overlooked aspect in the aftermath of a breach is the meticulous examination of firewall rule histories. The post The Crucial Role of Firewall Rule Histories appeared first on Security Boulevard.

Firewall 104
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Unifying Cyber Defenses: How Hybrid Mesh Firewalls Shape Modern Security

Cisco Security

Hybrid mesh firewall platforms enable security policy enforcement between workloads and users across any network, especially in on prem-first organizations. Hybrid mesh firewall platforms enable security policy enforcement between workloads and users across any network, especially in on prem-first organizations.

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Cisco’s Firewall Solution Recognized as a Leader in Forrester Wave™

Cisco Security

Cisco is proud to be recognized as a leader in The Forrester Waveâ„¢: Enterprise Firewall Solutions, Q4 2024. Cisco is proud to be recognized as a leader in The Forrester Waveâ„¢: Enterprise Firewall Solutions, Q4 2024. Learn more about what sets Cisco apart. Learn more about what sets Cisco apart.

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Managing Firewall complexity and Augmenting Effectiveness with AIOps for Cisco Firewall

Cisco Security

Explore how AIOps revolutionizes Cisco Firewall management, enhancing security, reducing downtime, and maximizing ROI with intelligent, automated solutions. Explore how AIOps revolutionizes Cisco Firewall management, enhancing security, reducing downtime, and maximizing ROI with intelligent, automated solutions.

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If You are Reachable, You Are Breachable, and Firewalls & VPNs are the Front Door 

Security Boulevard

Firewalls and VPN appliances are critical gateways. Like all on-prem systems, a vulnerability can lead to a compromise that is used to open the door for attackers. The post If You are Reachable, You Are Breachable, and Firewalls & VPNs are the Front Door appeared first on Security Boulevard.

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