Michael Vi/iStock Editorial via Getty Images
(Michael Vi/iStock Editorial via Getty Images)
quick read
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Palo Alto Networks (PANW) stock fell $146 and Okta (OKTA) fell to $73.50 on fears of commoditized cybersecurity solutions following a leak about Anthropic’s Cloud Mythos AI model.
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Investors are reevaluating the risk that AI-native models could automate threat detection and response at scale, potentially turning the premium-priced products that established cybersecurity platforms depend on into commodities.
palo alto network (NASDAQ:PANW) And okta (Nasdaq:Okta) Both sold off sharply on Friday, with PANW stock down 6% to $146 by midday and OKTA shares down 7% to $73.50. Catalyst is a leak about Anthropic’s new cybersecurity-focused AI model, called Cloud Mythos, that has unsettled investors across the sector.
Both declines are running deeper than the broader market. The S&P 500 is down about 1% today, while the technology sector is down about 1.3%. The selloff has been concentrated in cybersecurity, which is far outpacing the tech sector’s decline as a whole.
The main concern is that if an AI-native model like Cloud Mythos can automate threat detection and response at scale, it could commodify the same products that established cybersecurity platforms charge premium prices to deliver. Investors are reassessing that risk even before any confirmation.
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Palo Alto Networks: A tough week is getting worse
Today’s decline makes an already bad situation worse for PANW stock. Shares of Palo Alto Networks have fallen 9% over the past week and are down 19% year to date, opening today at $156.36 before falling further.
The selloff is coming despite strong recent fundamentals. In Q2FY26, Palo Alto Networks reported revenue of $2.594 billion, up 14.9% year over year, with non-GAAP EPS of $1.03 beating the consensus estimate of $0.9389 by 9.7%. The company’s platformization strategy is gaining momentum, with next-generation security ARR reaching $6.30 billion, up 33% year over year.
Additionally, Palo Alto Networks is expanding its AI-native capabilities, recently launching Prisma AIRS and updating its platform to discover and secure AI agents. CEO Nikesh Arora said in a recent earnings call that “customers are eager to modernize and commonalize their cybersecurity stacks, aligning them with our vision.”
The question investors today are asking is whether this approach holds up against AI models built from the ground up to compete in this space.
Okta: Declining growth hits selloff
Okta stock’s decline has been particularly sharp given where the stock already stands. OKTA shares have fallen 33% in the past year and are down 14% year to date. For long-term holders, today’s move is another painful chapter in a long decline.
The company presented solid results in its most recent quarter. Notably, Okta’s Q4 FY2026 revenue came in at $761 million, up 11.6% year over year, with non-GAAP EPS of $0.90 beating the $0.85 consensus by 5.88%. This is real progress.
Okta also exceeded full-year GAAP operating profitability, reporting $149 million in GAAP operating income, compared to a loss of $74 million in FY2025. However, the vulnerability lies in the trajectory ahead.
Okta guided FY2027 revenue of $3.17 billion to $3.19 billion, representing growth of approximately 9%. This downturn makes the stock more sensitive to competitive fears. Okta has launched Auth0 for AI agents and positioned its platform as an identity layer to secure AI, but today’s 6.45% decline suggests investors are not yet convinced the pivot provides enough insulation against anthropogenic threat.
Sector transition and the bigger picture
Palo Alto Networks and Okta are not alone today. CrowdStrike Holdings (NASDAQ:CRWD) is also under pressure, with CRWD shares falling 6% to $368 on related AI competition concerns. You can read more about CrowdStrike’s session in our full coverage here. The pattern across the three names points not to stock-specific news, but to a sector-wide reassessment of competitive risk.
Granted, the Claude Mythos leak has not been officially confirmed by Anthropic, and the real competitive threat may prove less disruptive than today’s market reaction. Morningstar has previously identified both Okta and Palo Alto Networks as well-positioned cybersecurity stocks amid the rise in ransomware attacks, citing their innovative solutions for identity access, network security and cloud security. Both companies have sticky enterprise customer bases and recurring revenue models that don’t evaporate overnight.
Looking ahead, a key question about the end and beyond is whether any official statements from Anthropic clarify the scope and timeline of the cloud mythos. Confirmation or denial from the company could meaningfully move these cybersecurity stocks in either direction.
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