Cybersecurity stocks are increasingly viewed as one of the most compelling long-term investment opportunities in the technology sector, driven by the rapid rise of artificial intelligence and the growing sophistication of digital threats. [Sign up for stock news with our Invested newsletter.] Consider Project Glasswing, launched by Anthropic in April. This initiative was part of the company’s unreleased Claude Mythos AI model, which reportedly uncovered thousands of previously unknown vulnerabilities across software systems around the globe — and then proactively offered fixes for those weaknesses before hackers could exploit them, let alone discover them. As businesses, governments and critical infrastructure become more dependent on connected systems, cyber defense tools are more important than ever. That is creating a huge tailwind for cybersecurity stocks, and the following list of leading companies represents some of the best ways to invest in the continued growth of cyber risks and solutions in the years ahead: | Stock | Market capitalization | | Palo Alto Networks Inc. (ticker: PANW) | $192 billion | | CrowdStrike Holdings Inc. (CRWD) | $148 billion | | Fortinet Inc. (FTNT) | $88 billion | | Cloudflare Inc. (NET) | $70 billion | | Zscaler Inc. (ZS) | $25 billion | | Okta Inc. (OKTA) | $14 billion | | Check Point Software Technologies Ltd. (CHKP) | $13 billion | Palo Alto Networks Inc. (PANW) Palo Alto Networks is the largest cybersecurity stock on Wall Street as measured by market value or by annual revenue. That revenue is growing fast despite that massive scale, too, with expansion of more than 20% expected in both fiscal year 2026 and 2027. Major clients include JPMorgan Chase & Co. (JPM) and Bank of America Corp. (BAC), proving that the world’s leading financial institutions trust PANW to protect their sensitive information. Though shares have