A new malware called ZionSiphon, specifically designed for operational technology, is targeting water treatment and desalination environments to sabotage their operations. […]
New Microsoft Defender “RedSun” zero-day PoC grants SYSTEM privileges
A researcher known as “Chaotic Eclipse” has published a proof-of-concept exploit for a second Microsoft Defender zero-day, dubbed “RedSun,” in the past two weeks, protesting how the company works with cybersecurity researchers. […]
Newly Discovered PowMix Botnet Hits Czech Workers Using Randomized C2 Traffic
Cybersecurity researchers have warned of an active malicious campaign that’s targeting the workforce in the Czech Republic with a previously undocumented botnet dubbed PowMix since at least December 2025.
“PowMix employs randomized command-and-control (C2) beaconing intervals, rather than persistent connection to the C2 server, to evade the network signature detections,” Cisco Talos
“PowMix employs randomized command-and-control (C2) beaconing intervals, rather than persistent connection to the C2 server, to evade the network signature detections,” Cisco Talos
Government Can’t Win the Cyber War Without the Private Sector
Securing national resilience now depends on faster, deeper partnerships with the private sector.
The post Government Can’t Win the Cyber War Without the Private Sector appeared first on SecurityWeek.
Hackers exploit Marimo flaw to deploy NKAbuse malware from Hugging Face
Hackers are exploiting a critical vulnerability in Marimo reactive Python notebook to deploy a new variant of NKAbuse malware hosted on Hugging Face Spaces. […]
Google expands Gemini AI use to fight malicious ads on its platform
Google says it is increasingly using its Gemini AI models to detect and block harmful ads on its advertising platforms, as scammers and threat actors continue to evolve their tactics to evade detection. […]
OpenAI Widens Access to Cybersecurity Model After Anthropic’s Mythos Reveal
GPT‑5.4‑Cyber is a model fine-tuned for defenders, lowering boundaries for legitimate cybersecurity work.
The post OpenAI Widens Access to Cybersecurity Model After Anthropic’s Mythos Reveal appeared first on SecurityWeek.
New ATHR vishing platform uses AI voice agents for automated attacks
A new cybercrime platform called ATHR can harvest credentials via fully automated voice phishing attacks that use both human operators and AI agents for the social engineering phase. […]
Most “AI SOCs” Are Just Faster Triage. That’s Not Enough.
AI-powered SOC tools promise automation, but most only speed up triage instead of reducing real workload. Tines shows how real gains come from end-to-end workflows that execute actions across systems, not just summarize alerts. […]
ThreatsDay Bulletin: Defender 0-Day, SonicWall Brute-Force, 17-Year-Old Excel RCE and 15 More Stories
You know that feeling when you open your feed on a Thursday morning and it’s just… a lot? Yeah. This week delivered. We’ve got hackers getting creative in ways that are almost impressive if you ignore the whole “crime” part, ancient vulnerabilities somehow still ruining people’s days, and enough supply chain drama to fill a season of television nobody asked for.
Not all bad though. Some
Not all bad though. Some