Security Bulletin

A 2025. 11. hetére vonatkozó hírválogatás, amely az NBSZ NKI által 2025.03.07. és 2025.03.13. között kezelt incidensek statisztikai adatait is tartalmazza.

(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.

Keyfactor research finds that about 18% of RSA-based digital certificates have flaws ranging from trivial to very serious. A new tool promises to find them.

The “SuperBlack” ransomware leverages the LockBit 3.0 builder with a custom encryption tool.

A novel twist on social engineering attacks is causing havoc for hospitality providers

Researchers discovered an attack chain that uses several layers of obfuscated batch files and PowerShell scripts to deliver an advanced and persistent rootkit.

Medusa developers have been targeting a wide variety of critical infrastructure sectors, from healthcare and technology to manufacturing and insurance, racking up its victim count as it seemingly adds to its numbers of affiliates.

Tenable researchers jailbreak DeepSeek to build a keylogger and ransomware.

Consumer Reports, Secure Resilient Future Foundation (SRFF), and US Public Interest Research Group (PIRG) have introduced a model bill to increase transparency around when Internet of Things devices no longer have manufacturer support.

Today, we’re introducing the next phase in data center modernization: the 8th generation Cisco UCS C-Series and Cisco UCS X-Series servers powered by Intel Xeon 6 processors. 

AI is transforming business communication, offering Cisco partners opportunities to enhance collaboration, improve customer experiences, and drive efficiency. Shift from technology providers to transformation enablers with Cisco's AI solutions.