Varonis found a “Reprompt” attack that let a single link hijack Microsoft Copilot Personal sessions and exfiltrate data; Microsoft patched it in January 2026.
Reprompt impacted Microsoft Copilot Personal and, according to the team, gave "threat actors an invisible entry point to perform a data‑exfiltration chain that bypasses enterprise security controls ...
Anthropic has launched Cowork with a known data exfiltration vulnerability that researchers reported in October 2025 but ...
Irukandji jellyfish deliver one of the most painful possible stings. Learn what the experts say about the dreaded Irukandji ...
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Types of cyber risks businesses should be aware of
Cyberattacks could lead to big financial losses and even civil or criminal penalties. Learn how your business can reduce the ...
PromptArmor, a security firm specializing in the discovery of AI vulnerabilities, reported on Wednesday that Cowork can be ...
Ascendant Technologies reports that budget-conscious businesses can enhance productivity and security through IT solutions ...
AI agents are rapidly moving from experimental tools to trusted decision-makers inside the enterprise—but security has not ...
Radware’s ZombieAgent technique shows how prompt injection in ChatGPT apps and Memory could enable stealthy data theft ...
CrowdStrike's 2025 data shows attackers breach AI systems in 51 seconds. Field CISOs reveal how inference security platforms ...
There’s a well-worn pattern in the development of AI chatbots. Researchers discover a vulnerability and exploit it to do ...
In April 2023, Samsung discovered its engineers had leaked sensitive information to ChatGPT. But that was accidental. Now imagine if those code repositories had contained deliberately planted ...
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