What did the CEO say about AI and cybersecurity?

Nikesh Arora said that roughly $1 trillion in aging cybersecurity infrastructure must be replaced to defend against AI-powered threats. He also said you cannot deploy AI successfully without getting cybersecurity right.

How many companies have engaged with Palo Alto's AI defense program?

Palo Alto Networks has spoken with around 2,000 companies about its Frontier AI Critical Defense Program, which deploys AI models to probe defenses and recommend security modernization.

What changed market sentiment on AI and cybersecurity?

Sentiment shifted after investors realized threat actors could harness advanced AI tools. Arora credited the launch of Anthropic's Mythos model for jolting organizations into treating security as a priority.

Top Companies' AI MovesAI Business & IndustryTop Companies AI2h agoSep 3, 2026, 06:31 JST2 min read

Palo Alto beats estimates; CEO cites $1 trillion AI security gap

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Key takeaway

Palo Alto Networks beat earnings estimates and gave a strong outlook.
The CEO says $1 trillion of old cybersecurity gear must be replaced.
The stock has climbed 113% since April 7.

3 Key Points

What happened
Palo Alto Networks beat fiscal fourth-quarter estimates on Tuesday and issued a strong outlook for its new fiscal year. CEO Nikesh Arora argued that roughly $1 trillion in aging cybersecurity infrastructure must be replaced to defend against AI-powered threats.
Why it matters
Arora said nothing deployed seven or ten years ago is ready to handle AI at machine speed, and that security modernization is a prerequisite for AI ambitions. The stock has climbed 113% since April 7, after an earlier selloff on fears that AI would make conventional security software obsolete.
What to watch
Arora warned investors not to expect an immediate windfall—"Not everything's going to happen next quarter"—but said AI changes the long-term growth rate and duration of cybersecurity. The company has spoken with around 2,000 companies about its Frontier AI Critical Defense Program, launched in August.

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Context & Analysis

Palo Alto's earnings beat comes amid a broader rethink of AI's impact on cybersecurity. Earlier this year, shares of security vendors sold off on fears that AI would make traditional defenses obsolete. But Arora argues the opposite: older systems are unprepared for AI-speed attacks, creating a large modernization need. He pointed to Anthropic's Mythos model as a wake-up call that shifted corporate attitudes. The company's Frontier AI Critical Defense Program, which uses AI to probe customer defenses, has already drawn interest from around 2,000 firms. While Arora cautions against expecting immediate revenue, he frames AI as a long-term tailwind for the industry's growth. This perspective aligns with the stock's sharp recovery since April.

FAQ

What did the CEO say about AI and cybersecurity?: Nikesh Arora said that roughly $1 trillion in aging cybersecurity infrastructure must be replaced to defend against AI-powered threats. He also said you cannot deploy AI successfully without getting cybersecurity right.
How many companies have engaged with Palo Alto's AI defense program?: Palo Alto Networks has spoken with around 2,000 companies about its Frontier AI Critical Defense Program, which deploys AI models to probe defenses and recommend security modernization.
What changed market sentiment on AI and cybersecurity?: Sentiment shifted after investors realized threat actors could harness advanced AI tools. Arora credited the launch of Anthropic's Mythos model for jolting organizations into treating security as a priority.

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