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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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12,000 Juniper SRX firewalls and EX switches vulnerable to CVE-2023-36845

Security Affairs

Researchers discovered approximately 12,000 Juniper SRX firewalls and EX switches vulnerable to a recently disclosed CVE-2023-36845 RCE flaw. VulnCheck researchers discovered approximately 12,000 internet-exposed Juniper SRX firewalls and EX switches that are vulnerable to the recently disclosed remote code execution flaw CVE-2023-36845.

Firewall 124
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Introducing Secure Firewall version 7.3

Cisco Security

Introduction to Cisco Secure Firewall 7.3. Cisco’s latest release of Secure Firewall operating system, Secure Firewall Threat Defence Version 7.3, addresses key concerns for today’s firewall customers. allows for the fingerprinting of traffic that is using the QUIC Protocol in Secure Firewall 7.3. Reduced TCO.

Firewall 144
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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 292
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Nearly 12,000 Juniper Firewalls Found Vulnerable to Recently Disclosed RCE Vulnerability

The Hacker News

New research has found that close to 12,000 internet-exposed Juniper firewall devices are vulnerable to a recently disclosed remote code execution flaw. CVE-2023-36845 refers to a

Firewall 112
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Cisco Secure Firewall on AWS: Build resilience at scale with stateful firewall clustering

Cisco Security

Organizations may introduce multiple individual firewalls into their AWS infrastructure to produce this outcome. To solve these challenges, Cisco created stateful firewall clustering with Secure Firewall in AWS. Cisco Secure Firewall clustering overview. In the Secure Firewall Threat Defense 7.1

Firewall 132
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Is your firewall stuck in the 80s?

Cisco Security

Modernize your firewall for greater security resilience. Cybersecurity has changed dramatically since the dawn of firewalls in the 1980s. Today’s workers, data, and applications are everywhere, and firewalls must be as well. So, can your firewall grow with you? The firewall is a critical foundation for security.

Firewall 144