Description

* Booking.com Confirms Data Breach Exposing Millions of Travellers’ Reservation Details

* Adobe Issues Emergency Patch for Actively Exploited Acrobat Reader Zero-Day

* Critical Nginx UI Flaw Under Active Exploitation, Enabling Full Server Takeover Without Authentication

* WordPress Plugin Suite Backdoored, Thousands of Sites Silently Compromised Since August 2025

* OpenAI Unveils GPT-5.4-Cyber, a Defensive AI Model Purpose-Built for Security Teams

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