2025 Unit 42 Global Incident Response Report Reveals Nearly 44% of Security Incidents Involved a Web Browser

Palo Alto Networks, the global cybersecurity leader, has released the 2025 Unit 42 Global Incident Response Report, which found that threat actors are now evolving their tactics, moving beyond traditional ransomware and data theft to focus on business disruption, AI-assisted attacks, and insider threats. According to the report, almost half of the security incidents (44%) involved a web browser.