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    Cybersecurity stocks drop for a second day as new Anthropic tool fuels AI disruption fears

    CNBCFebruary 23, 2026 at 5:00 PMBearish1 min read

    Key Takeaways

    • 1Anthropic's new 'computer use' feature allows AI to control desktop environments, simulating human actions like clicking buttons and entering text.
    • 2Major cybersecurity players including Palo Alto Networks (PANW), CrowdStrike (CRWD), and Zscaler (ZS) saw consecutive days of price declines as the market priced in disruption risks.
    • 3The primary investor concern is that autonomous AI agents could eventually automate high-level security tasks, reducing the Total Addressable Market (TAM) for traditional software-as-a-service providers.
    • 4The sell-off highlights a broader market trend where sophisticated AI tools are increasingly viewed as double-edged swords capable of both enhancing and circumventing existing cybersecurity moats.

    The cybersecurity sector is experiencing a significant pullback following the unveiling of Anthropic’s 'computer use' capability for its Claude AI model, which has ignited fears regarding the long-term viability of traditional security software. Investors are concerned that AI agents capable of navigating interfaces and performing complex tasks could automate security protocols currently managed by human-interfaced SaaS platforms, or worse, be weaponized to bypass existing defenses. This sell-off follows a period of high valuations in the sector, where companies like Palo Alto Networks and CrowdStrike have been priced for perfection. The market context suggests a rotation out of perceived 'AI-disrupted' legacy models toward either the AI infrastructure providers themselves or firms that can most rapidly integrate generative AI into their own threat detection suites. This volatility echoes previous 'AI scares' in other sectors, such as Chegg in education. Moving forward, investors should watch for upcoming earnings calls to see how management teams quantify the competitive threat of autonomous AI agents and whether these tools will be viewed as a cost-saving integration or a terminal threat to seat-based licensing models.

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