Daily Threat Briefing — Feb 23, 2026

📰 Cybersecurity News Headlines

Top stories from leading cybersecurity publications as of February 23, 2026.

1. Arkanix Stealer pops up as short-lived AI info-stealer experiment
   — Bleeping Computer
   
   An information-stealing malware operation named Arkanix Stealer, promoted on multiple dark web forums towards the end of 2025, was likely …
2. Predator spyware hooks iOS SpringBoard to hide mic, camera activity
   — Bleeping Computer
   
   Intellexa's Predator spyware can hide iOS recording indicators while secretly streaming camera and microphone feeds to its operators. […]
3. AI-Assisted Threat Actor Compromises 600+ FortiGate Devices in 55 Countries
   — The Hacker News
   
   A Russian-speaking, financially motivated threat actor has been observed taking advantage of commercial generative artificial intelligence (…
4. Amazon: AI-assisted hacker breached 600 Fortinet firewalls in 5 weeks
   — Bleeping Computer
   
   Amazon is warning that a Russian-speaking hacker used multiple generative AI services as part of a campaign that breached more than 600 Fort…
5. Anthropic Launches Claude Code Security for AI-Powered Vulnerability Scanning
   — The Hacker News
   
   Artificial intelligence (AI) company Anthropic has begun to roll out a new security feature for Claude Code that can scan a user's software …
6. CISA Adds Two Actively Exploited Roundcube Flaws to KEV Catalog
   — The Hacker News
   
   The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added two security flaws impacting Roundcube webmail software to …
7. Japanese-Language Phishing Emails, (Sat, Feb 21st)
   — SANS ISC
   
   Introduction
8. EC-Council Expands AI Certification Portfolio to Strengthen U.S. AI Workforce Readiness and Security
   — The Hacker News
   
   With $5.5 trillion in global AI risk exposure and 700,000 U.S. workers needing reskilling, four new AI certifications and Certified CISO v4 …
9. Attackers Use New Tool to Scan for React2Shell Exposure
   — Dark Reading
   
   Researchers say threat actors wielded the sophisticated — and unfortunately named — toolkit to target high-value networks for React2Shel…
10. ‘Starkiller’ Phishing Service Proxies Real Login Pages, MFA
    — Krebs on Security
    
    Most phishing websites are little more than static copies of login pages for popular online destinations, and they are often quickly taken d…
11. 'God-Like' Attack Machines: AI Agents Ignore Security Policies
    — Dark Reading
    
    Microsoft Copilot recently summarized and leaked user emails; but any AI agent will go above and beyond to complete assigned tasks, even bre…
12. Japanese tech giant Advantest hit by ransomware attack
    — Bleeping Computer
    
    Advantest Corporation disclosed that its corporate network has been targeted in a ransomware attack that may have affected customer or emplo…

Generated by HiveNet.ai Threat Intelligence Platform · February 23, 2026 · Sources: The Hacker News, Bleeping Computer, Krebs on Security, Dark Reading, SANS ISC