Breaking News – Cyber Threats (last 6h)
Generated: 2026-04-15 03:00 PDT
- Microsoft Issues Patches for SharePoint Zero-Day and 168 Other New Vulnerabilities
The Hacker News • 2026-04-15 01:40 • thehackernews.com
Microsoft on Tuesday released updates to address a record 169 security flaws across its product portfolio, including one vulnerability that has been actively exploited in the wild.
Of these 169 vulnerabilities, 157 are rated Important, eight are rated Critical, three are rated Moderate, and one is rated Low in severity. Ninety-three of the flaws are
https://thehackernews.com/2026/04/microsoft-issues-patches-for-sharepoint.html - OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams
The Hacker News • 2026-04-14 21:30 • thehackernews.com
OpenAI on Tuesday unveiled GPT-5.4-Cyber, a variant of its latest flagship model, GPT‑5.4, that’s specifically optimized for defensive cybersecurity use cases, days after rival Anthropic unveiled its own frontier model, Mythos.
“The progressive use of AI accelerates defenders – those responsible for keeping systems, data, and users safe – enabling them to find and fix problems
https://thehackernews.com/2026/04/openai-launches-gpt-54-cyber-with.html
Sources: BleepingComputer, The Hacker News, KrebsOnSecurity, SANS ISC, CISA.
