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Muddling Meerkat, a mysterious DNS Operation involving China’s Great Firewall

Security Affairs

The threat actors appear to have the capability to control China’s Great Firewall and were observed utilizing a novel technique involving fake DNS MX records. However, the Infoblox researchers have yet to discover the motivation behind the attacks.

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Zyxel fixed four bugs in firewalls and access points

Security Affairs

Taiwanese vendor Zyxel warns of security vulnerabilities in its firewalls and access points, including a remote code execution flaw. Taiwanese networking vendor Zyxel addressed four vulnerabilities, respectively tracked as CVE-2023-6397 , CVE-2023-6398 , CVE-2023-6399 , and CVE-2023-6764 , in its firewalls and access points.

Firewall 118
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Zyxel fixed tens of flaws in Firewalls, Access Points, and NAS devices

Security Affairs

Taiwanese vendor Zyxel addressed tens of vulnerabilities in its firewalls and access points. CVE-2023-35139 – A cross-site scripting (XSS) vulnerability in the CGI program of some firewall versions could allow an unauthenticated LAN-based attacker to store malicious scripts in a vulnerable device.

Firewall 111
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Chinese DriftingCloud APT exploited Sophos Firewall Zero-Day before it was fixed

Security Affairs

China-linked threat actors exploited the zero-day flaw CVE-2022-1040 in Sophos Firewall weeks before it was fixed by the security vendor. On March 25, Sophos announced to have fixed the authentication bypass vulnerability, tracked as CVE-2022-1040, that resides in the User Portal and Webadmin areas of Sophos Firewall.

Firewall 132
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Widespread exploitation by botnet operators of Zyxel firewall flaw

Security Affairs

Threat actors are actively exploiting a command injection flaw, tracked as CVE-2023-28771, in Zyxel firewalls to install malware. Threat actors are actively attempting to exploit a command injection vulnerability, tracked as CVE-2023-28771 , that impacts Zyxel firewalls. in its firewall devices.

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Next-Generation Firewalls: A comprehensive guide for network security modernization

CyberSecurity Insiders

The terms computer security, information security and cybersecurity were practically non-existent in the 1980s, but believe it or not, firewalls have existed in some form since that time. But what sets NGFWs apart from traditional firewalls? NGFWs offer several advantages over traditional firewalls.

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Achieving PCI DSS Compliant Firewalls within a Small Business

Security Boulevard

The most important and integral part of any data security begins with having firewalls installed in the environment. Not just that, installing firewalls is an essential requirement of the Payment Card Industry Data Security Standard (PCI DSS ). What is a PCI DSS Compliant Firewall? Requirements. Description.