AI Security Roundup

** Ravie Lakshmanan ** Apr 21, 2026 Network Security / Threat Intelligence The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added eight new vulnerabilities to its Known …

ISC Stormcast For Tuesday, April 21st, 2026 https://isc.sans.edu/podcastdetail/9900

** Ravie Lakshmanan ** Apr 20, 2026 Open Source / Server Security A critical security vulnerability has been disclosed in SGLang that, if successfully exploited, could result in remote code execution …

** Ravie Lakshmanan ** Apr 20, 2026 Cybersecurity / Hacking Monday’s recap shows the same pattern in different places. A third-party tool becomes a way in, then leads to internal access. A trusted …

The fastest way to fall in love with an AI tool is to watch the demo. Everything moves quickly. Prompts land cleanly. The system produces impressive outputs in seconds. It feels like the beginning of …

Is “Satoshi Nakamoto” Really Adam Back? The New York Times has a long article where the author lays out an impressive array of circumstantial evidence that the inventor of Bitcoin is the cypherpunk …

** Ravie Lakshmanan ** Apr 20, 2026 Artificial Intelligence / Vulnerability Cybersecurity researchers have discovered a critical “by design” weakness in the Model Context Protocol’s …

Cybersecurity researchers have flagged a new malware called ZionSiphon that appears to be specifically designed to target Israeli water treatment and desalination systems. The malware has been …

Every morning, security people around the world face the same ritual: opening their vulnerability feed to find a lot of new CVE entries that appeared overnight. Over the past decade, this flood has …

** Ravie Lakshmanan ** Apr 20, 2026 Cloud Security / Data Breach Web infrastructure provider Vercel has disclosed a security breach that allows bad actors to gain unauthorized access to …

ISC Stormcast For Monday, April 20th, 2026 https://isc.sans.edu/podcastdetail/9898

** Ravie Lakshmanan ** Apr 18, 2026 Money Laundering / Regulatory Compliance Grinex, a Kyrgyzstan-incorporated cryptocurrency exchange sanctioned by the U.K. and the U.S. last year, said it’s …

Threat actors are exploiting security flaws in TBK DVR and end‑of‑life (EoL) TP-Link Wi-Fi routers to deploy Mirai -botnet variants on compromised devices, according to findings from Fortinet …

Friday Squid Blogging: New Giant Squid Video Pretty fantastic video from Japan of a giant squid eating another squid. As usual, you can also use this squid post to talk about the security stories in …

** Ravie Lakshmanan ** Apr 17, 2026 Vulnerability / Endpoint Security Huntress is warning that threat actors are exploiting three recently disclosed security flaws in Microsoft Defender to gain …

Two weeks ago, Google’s Quantum AI group published a zero-knowledge proof of a quantum circuit so optimized, they concluded that first-generation quantum computers will break elliptic curve …

Mythos and Cybersecurity Last week, Anthropic pulled back the curtain on Claude Mythos Preview , an AI model so capable at finding and exploiting software vulnerabilities that the company decided it …

Google this week announced a new set of Play policy updates to strengthen user privacy and protect businesses against fraud, even as it revealed it blocked or removed over 8.3 billion ads globally and …

** Ravie Lakshmanan ** Apr 17, 2026 DDoS / Cybercrime An international law enforcement operation has taken down 53 domains and arrested four people in connection with commercial distributed …

** Ravie Lakshmanan ** Apr 17, 2026 Vulnerability Management The National Institute of Standards and Technology (NIST) has announced changes to the way it handles cybersecurity vulnerabilities and …

** Ravie Lakshmanan ** Apr 17, 2026 Vulnerability / Enterprise Security A recently disclosed high-severity security flaw in Apache ActiveMQ Classic has come under active exploitation in the wild, per …

Introduction This diary provides indicators from a Lumma Stealer infection that was followed by Sectop RAT (ArechClient2). I searched for cracked versions of popular copyright-protected software, and …

ISC Stormcast For Friday, April 17th, 2026 https://isc.sans.edu/podcastdetail/9896

** Ravie Lakshmanan ** Apr 16, 2026 Botnet / Cryptomining Cybersecurity researchers have warned of an active malicious campaign that’s targeting the workforce in the Czech Republic with a …

** Ravie Lakshmanan ** Apr 16, 2026 Hacking News / Cybersecurity News You know that feeling when you open your feed on a Thursday morning and it’s just… a lot? Yeah. This week delivered. …