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An open letter signed by dozens of security experts asked the government to reverse export restrictions on Anthropic's Claude Fable 5 and Mythos 5 models.

FishMonger, a China-nexus threat group, has deployed an undocumented version of the Linux backdoor against government targets in Honduras, Taiwan, Thailand, and Pakistan.

The emerging malware, spread via fake TikTok and Chrome downloads, has evolved by combining banking fraud with extensive device surveillance and remote control.

New analysis shows the campaign, which uses compromised WordPress sites, may be linked to the ransomware and data extortion group Vice Society.

The denial-of-service (DoS) exploit takes advantage of two features in HTTP/2 that were designed to save Internet bandwith, not power massive amplification attacks.

The critical, three-stage attack is now patched, but it's part of a new group of AI prompt-injection issues that use hidden URLs and other variables.

Google discovered and disrupted the sprawling campaign, which stole RedCAP credentials to breach numerous institutions and exfiltrate sensitive data.

Executive leaders may not be saying it aloud, but business objectives and priorities don't always promote timely disclosures.

AI-native operating systems are shifting the responsibility to stay vigilant against social engineering cyberattacks from the user onto the system itself.

Anthropic abruptly suspended all access to Fable 5 and Mythos 5 after receiving an export control directive that banned foreign nationals from using the technology.

A major bug in Oracle's ERP software disproportionately affected American universities, and hackers have capitalized by stealing gobs of data.

Stay cool: Mythos 5 is an upgrade over Mythos Preview while Fable 5 is Mythos "made safe for general use," Anthropic explains.

Hackers are valuing quality over quantity, using AI to upgrade their phishing attacks rather than multiply them.

Initial methods suggest attackers had likely mapped out Ivanti's asset landscape upfront and acted quickly once the exploit became public.

Even the best segmentation strategy will fall apart without constant oversight and disciplined operations.

North Korea's gross domestic product (GDP) has grown, in part because of the nation's state-sponsored cybercrime groups, which target financial firms and other businesses.

The new directive gives federal agencies three days to fix the most dangerous flaws, while less severe issues can be deferred.

Security research inadvertently led organizations to believe they were being breached through their ServiceNow instances.

As companies adopt AI, many insurance firms are explicitly excluding AI risks, while others are forging ahead to create the right framework. What risks can firms reasonably manage?

The disgruntled researcher released yet another PoC for a Windows Defender bug that allows for system takeover, showing no signs of abandoning their ongoing feud with Microsoft.