Wikimedia Says Rogue OpenAI Agents Tried to Turn Its Tools Into Proxies
Wikimedia looked into whether its own websites had seen activity like that disclosed by other organizations The post Wikimedia Says Rogue OpenAI Agents Tried to Turn Its Tools Into Proxies appeared first on SecurityWeek.
FBI Blames Contractor’s Missed Patch for ShinyHunters Breach
The FBI has removed an Accenture contractor over a data breach that exposed personal information of thousands of bureau employees. The post FBI Blames Contractor’s Missed Patch for ShinyHunters Breach appeared first on SecurityWeek.
Advantest Discloses Data Breach Months After Ransomware Attack
The Japanese chip testing giant said hackers stole personal information from its servers in the February 2026 cyberattack. The post Advantest Discloses Data Breach Months After Ransomware Attack appeared first on SecurityWeek.
Fake ChatGPT, Gemini, and Claude Ad Portals Capture Credentials and MFA Codes
Cybersecurity researchers have disclosed details of a "human-operated phishing platform" that impersonates advertising products for artificial intelligence (AI) chatbots like Google Gemini, Anthropic Claude, OpenAI ChatGPT, Perplexity…
Hackers exploit critical Atlassian flaw after public PoC release
A critical vulnerability (CVE-2026-21589) affecting multiple Atlassian product families, including Jira, Confluence, and Bitbucket, is being exploited in attacks that do not require authentication. [...]
FBI Warns FortiBleed Remains Active After Amassing 86,644 Fortinet Device Credentials
The U.S. Federal Bureau of Investigation (FBI) and Secret Service (USSS) on Tuesday warned that the FortiBleed credential harvesting campaign remains an active threat aimed at internet-facing Fortinet FortiGate firewalls and secure socket…