Outbreak Alerts

Annual Report 2025

In 2025, the FortiGuard Labs team processed and blocked 3.8 trillion vulnerability exploitation attempts, preventing 2.71 billion malware deliveries, and blocking 257 million newly seen malware variants worldwide to protect its customers from cyber threats. Through the outbreak alert system, FortiGuard Labs escalated the significant threats to raise awareness and keep customers informed.

This annual report covers:

A summary view of all the outbreak alerts released in 2025 spanning vulnerabilities, malware, targeted attacks, ransomware, and OT/ICS related threats
Highlights of significant outbreaks and several prevalent vulnerabilities and malware
Real-world telemetries compiled by FortiGuard Labs showing exploitation attempts and malware deliveries
Context around the entire attack surface to understand the components that can aid in protection, detection, and response
Overview of OT/ICS related threats
Cybersecurity challenges for 2026

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