Incident response analyst report 2023

Kaspersky's 2023 Incident Response Report summarizes anonymized global IR cases, finding ransomware remained the top threat (33.3%) with families such as LockBit, BlackCat, Phobos and Zeppelin prominent, and noting a significant rise in attacks via trusted contractors/supply-chain relationships; the report also details common TTPs, exploited vulnerabilities, misuse of legitimate tools, sectoral impact (notably government and industry), and actionable mitigation recommendations.