What Is SIEM and How It Works: Complete Guide 2026
SIEM platforms collect, normalize, and correlate log data from across the environment in real time to identify threats and support compliance auditing. According to a 2024 Gartner report, the SIEM market expanded from $5.03 billion in 2022 to $5.7 billion in 2023, reflecting a 13% annual growth rate. You are likely encountering the specific challenges that SIEM technology was designed to address.