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 ...
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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 ...
The phishing campaign targeted users on WhatsApp, including an Iranian-British activist, and stole the credentials of a ...
Web skimming is a cyberattack that steals credit card data during a checkout. Researchers have identified an ongoing campaign ...
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 ...
Abstract: SQL injection attacks are a serious threat to the security of cyberspace. In view of the problems with traditional SQL injection attack detection methods, such as high false positive rates ...
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 ...
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