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Zyxel firewalls targeted in recent ransomware attacks

Security Affairs

Zyxel warns that a ransomware group has been observed exploiting a recently patched command injection issue in its firewalls. Zyxel warns that a ransomware gang has been observed exploiting a recently patched command injection vulnerability, tracked as CVE-2024-42057, in its firewalls for initial compromise.

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Details of the REvil Ransomware Attack

Schneier on Security

ArsTechnica has a good story on the REvil ransomware attack of last weekend, with technical details: This weekend’s attack was carried out with almost surgical precision. The ransomware dropper Agent.exe is signed with a Windows-trusted certificate that uses the registrant name “PB03 TRANSPORT LTD.”

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SuperBlack Ransomware operators exploit Fortinet Firewall flaws in recent attacks

Security Affairs

Operators behind the SuperBlack ransomware exploited two vulnerabilities in Fortinet firewalls for recent attacks. Between January and March, researchers at Forescout Research Vedere Labs observed a threat actors exploiting two Fortinet vulnerabilities to deploy the SuperBlack ransomware. 13.73.13.73, 8.8.8.8,

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New DeadBolt Ransomware Targets NAT Devices

Schneier on Security

There’s a new ransomware that targets NAT devices made by QNAP: The attacks started today, January 25th, with QNAP devices suddenly finding their files encrypted and file names appended with a.deadbolt file extension.

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Researchers Quietly Cracked Zeppelin Ransomware Keys

Krebs on Security

Peter is an IT manager for a technology manufacturer that got hit with a Russian ransomware strain called “ Zeppelin ” in May 2020. There are multiple examples of ransomware groups doing just that after security researchers crowed about finding vulnerabilities in their ransomware code. This is not an idle concern.

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Columbus Ransomware Attack Exposes 500,000+ Residents’ Data: How to Stay Safe

eSecurity Planet

Following a July 18 attack by the Rhysida ransomware group — believed to have Russian affiliations — Columbus is still reeling from the exposure of vast amounts of sensitive resident data. Installing up-to-date firewalls , secure access controls, and intrusion detection systems is a must.

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How Ransomware Gangs Weaponize Employee Burnout to Breach Corporate Defenses

SecureWorld News

Companies that treat burnout like an HR issue instead of a security risk are leaving their front door wide openand ransomware gangs are walking right in. Ransomware gangs don't need to find a vulnerability in your firewall if they can find it in your people. A ransomware group doesn't hit during periods of stability.