Cybersecurity stocks fall on report Anthropic is testing a powerful new model

On Friday, shares in the cybersecurity sector took a downturn following revelations that Anthropic is trialing an advanced artificial intelligence model with enhanced cyber capabilities, which also poses potential security threats. The news, first reported by Fortune, was based on insights from a draft blog post that is publicly available. The new model, named Mythos, has been described as the most powerful AI offering from Anthropic to date. However, the company has indicated it will proceed with caution in its rollout, considering the possible implications for cybersecurity. The announcement had immediate effects on the market, with the iShares Cybersecurity ETF experiencing a 3% decline. Notable cybersecurity firms, including CrowdStrike and Palo Alto Networks, saw their stocks drop by 7%, while Zscaler and SentinelOne faced losses exceeding 8%. Tenable's shares plummeted nearly 11%, and both Okta and Netskope recorded declines of over 6%. This trend isn’t entirely new for the cybersecurity industry, which has been grappling with the disruptive effects of artificial intelligence. Just last month, stocks in this sector fell sharply after Anthropic revealed a new code-scanning security tool integrated into its Claude AI. The ongoing evolution of AI and autonomous agents is reshaping the threat landscape, compelling cybersecurity firms to adapt rapidly to more sophisticated attacks and advanced hacking tools. In a previous statement, Anthropic noted that a state-sponsored group from China had employed Claude to automate a cyberattack, highlighting the pressing need for enhanced defenses in the current digital climate.