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A Telegram-based guarantee marketplace known for advertising a broad range of illicit services appears to be winding down its operations, according to new findings from Elliptic. The blockchain intelligence company said Tudou Guarantee has effectively ceased...

Cybersecurity researchers have disclosed details of a security flaw that leverages indirect prompt injection targeting Google Gemini as a way to bypass authorization guardrails and use Google Calendar as a data extraction mechanism. The vulnerability, Miggo Security's...

The fix is for a bug that prevents some systems from shutting down, while another bug that prevents hibernation has no workaround yet. The post Microsoft Issues Emergency Fix After Some Windows 11 Systems Can’t Shut Down appeared first on TechRepublic.

In cybersecurity, the line between a normal update and a serious incident keeps getting thinner. Systems that once felt reliable are now under pressure from constant change. New AI tools, connected devices, and automated systems quietly create more ways in, often...

The drama at the Cybersecurity and Infrastructure Security Agency is not helpful when it needs to focus on defending networks and infrastructure. The post Acting CISA Director Pushed to Remove Agency CIO appeared first on TechRepublic.

Just a few years ago, the cloud was touted as the “magic pill” for any cyber threat or performance issue. Many were lured by the “always-on” dream, trading granular control for the convenience of managed services. In recent years, many of us have learned (often the...

A team of academics from the CISPA Helmholtz Center for Information Security in Germany has disclosed the details of a new hardware vulnerability affecting AMD processors. The security flaw, codenamed StackWarp, can allow bad actors with privileged control over a host...

Cybersecurity researchers have disclosed details of an ongoing campaign dubbed KongTuke that used a malicious Google Chrome extension masquerading as an ad blocker to deliberately crash the web browser and trick victims into running arbitrary commands using...

Varonis found a “Reprompt” attack that let a single link hijack Microsoft Copilot Personal sessions and exfiltrate data; Microsoft patched it in January 2026. The post How ‘Reprompt’ Attack Let Hackers Steal Data From Microsoft Copilot appeared first on...

Cybersecurity researchers have disclosed a cross-site scripting (XSS) vulnerability in the web-based control panel used by operators of the StealC information stealer, allowing them to gather crucial insights on one of the threat actors using the malware in their...