Mythos rejuvenated the cybersecurity sector. Earnings put the recent rally to the test

Key points

• Chief executive officer at Palo Alto Networks Inc., Nikesh Arora attends the 9th edition of the VivaTech trade show at the Parc des Expositions de la Porte de Versailles on June 11, 2025, in Paris.
• Anthropic's Mythos model offered a much-needed lifeline to cybersecurity firms in the age of artificial intelligence.
• Yet, this week's cybersecurity earnings offered a brutal reminder that even with tailwinds, sometimes good just isn't good enough as shares of CrowdStrike and Palo Alto Networks lost 8% and 3%, respectively.
• "People probably got a little over their skis," said Joseph Gallo, a software analyst at Jefferies.
• "Both gave accelerating guides, but at the end of the day...