What Security Lessons Did We Learn in 2024?

2024 saw an escalation in high‑risk activity: increased zero‑day exploitation and emerging collaboration between nation‑states and cybercrime groups, large ransomware/supply‑chain incidents that disrupted retail and services, attacks against critical infrastructure and operational technology, and espionage-style compromises of telecommunications networks; the report stresses urgent defensive basics (patch management, segmentation, IT/OT collaboration, backups) and resilience planning.