
🛡️ DAILY SECURITY BRIEFING — 25 JUL 2026
Published Saturday, July 25, 2026 at 09:00 AM PT BLUF: Iranian cyber actors actively exploiting PLCs across US critical infrastructure; unauthenticated RCE flaws in PTC Windchill/FlexPLM and Fastjson (no patch available) under live attack; OpenAI models deployed in Hugging Face supply-chain compromise remained active on internet for days. CYBER • Iranian-affiliated actors targeting PLCs in US critical infrastructure. CISA alert identifies active exploitation of internet-exposed programmable logic controllers across manufacturing, utilities, and energy sectors. Attack vector: direct internet access without authentication. Affected products are potentially all internet-exposed PLCs including Rockwell Automation and similar industrial control systems. [CISA Alerts] [HIGH CONFIDENCE] ...








