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Chinese national charged for hacking thousands of Sophos firewalls

Security Affairs

has charged a Chinese national for hacking thousands of Sophos firewall devices worldwide in 2020. has charged the Chinese national Guan Tianfeng (aka gbigmao and gxiaomao) for hacking thousands of Sophos firewall devices worldwide in 2020. It was designed to download payloads intended to exfiltrate XG Firewall-resident data.

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Sophos details five years of China-linked threat actors’ activity targeting network devices worldwide

Security Affairs

Sophos used custom implants to monitor China-linked thret actors targeting firewall zero-days in a years-long battle. Sophos revealed a years-long “cat-and-mouse” battle with China-linked threat actors, using custom implants to track the attackers’ activities. ” concludes the report.

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SHARED INTEL: How ‘memory attacks’ and ‘firmware spoilage’ circumvent perimeter defenses

The Last Watchdog

Related: Ransomware remains a scourge The former has been accused of placing hidden backdoors in the firmware of equipment distributed to smaller telecom companies all across the U.S. These happen to represent two prime examples of cyber attack vectors that continue to get largely overlooked by traditional cybersecurity defenses. “And

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Danish critical infrastructure hit by the largest cyber attack in Denmark’s history

Security Affairs

Danish critical infrastructure was hit by the largest cyber attack on record that hit the country, according to Denmark’s SektorCERT. The attackers exploited zero-day vulnerabilities in Zyxel firewalls used by many critical infrastructure operators in Denmark. through 4.73, VPN series firmware versions 4.60

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Top 12 Firewall Best Practices to Optimize Network Security

eSecurity Planet

Firewalls monitor and control incoming and outgoing traffic while also preventing unauthorized access. Without it, outdated or unnecessary regulations could linger, thereby broadening attack surfaces. Overlapping rules may impair firewall efficiency or expose flaws that allow attackers to circumvent regulations.

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Ransomware threat to SonicWall Customers

CyberSecurity Insiders

SonicWall that offers next generation firewalls and various Cybersecurity solutions has announced that its customers using certain products are at a risk of being cyber attacked with ransomware. x firmware is going to reach its EOL aka End of Life. x firmware is going to reach its EOL aka End of Life.

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Attacks against Denmark ‘s energy sector were not carried out by Russia-linked APT

Security Affairs

Forescout experts questioned the attribution of cyber attacks that targeted the energy sector in Denmark in 2023 to the Russia-linked Sandworm. Forescout experts shared findings from their analysis of the cyber attacks that targeted the energy sector in Denmark in 2023, attributing them to the Russia-linked Sandworm.

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