AI/ML , Supply chain Anthropic probes alleged third-party breach of Claude Mythos April 23, 2026 Share By SC Staff (Credit: ardasavasciogullari – stock.adobe.com) HackRead reports that Anthropic has launched an investigation into the reported compromise of its Claude Mythos AI model by a Discord-linked group that obtained unauthorized access through an external contractor. No Anthropic systems were affected by the breach, which has been contained within the third-party vendor environment, according to an Anthropic spokesperson. Involved in the hack of Claude Mythos which has been touted to advance the discovery and exploitation of software flaws were a handful of individuals who used their knowledge of Anthropic's URL formatting conventions and a vendor breach to determine the online location of the AI model, reported Bloomberg News. Unreleased Anthropic AI models discovered following the breach were noted to have since been tested by the group. Such an incident was regarded by Acalvio CEO Ram Varadarajan as a supply chain issue commonly downplayed by perimeter-centric security. "Deception infrastructure is whats needed and operates precisely in the post-breach environment. It doesnt assume the perimeter held, it instruments the terrain inside so that when someone wanders in uninvited, their every move becomes a signal," said Varadarajan. An In-Depth Guide to AI Get essential knowledge and practical strategies to use AI to better your security program. Learn More SC Staff Related AI/ML AI-assisted phishing attacks on the rise, report finds SC Staff April 23, 2026 Cisco's Talos threat intelligence report found that attackers are increasingly using AI tools to boost their phishing attacks, which is the most common initial access method by hackers in the first quarter of 2026, reports Cybersecurity Dive. Data Security OpenAI’s Chronicle mirrors Microsoft Recall’s privacy concerns SC Staff April 23, 2026 Chronicle functions by taking screenshots of the user's screen and feeding them to OpenAI's Codex agent to augment its memory with contextual data. Cloud Security CrowdStrike expands cloud security to Google Cloud SC Staff April 23, 2026 Announced at Google Cloud Next 2026, the expansion integrates Google Cloud alongside AWS and Azure into CrowdStrike CDR's real-time monitoring capabilities. Get daily email updates SC Media's daily must-read of the most current and pressing daily news Business Email By clicking the Subscribe button below, you agree to SC Media Terms of Use and Privacy Policy . Subscribe You can skip this ad in 5 seconds