LevelBlue TTP Briefing Q1 2026: Trust Abuse Exposes Weaknesses

LevelBlue's Q1 2026 TTP Briefing presents frontline incident response intelligence showing business email compromise as the leading threat vector that is increasingly used to gain identity-driven access to cloud services (Exchange, OneDrive, SharePoint) for large-scale, low-noise data exfiltration and extortion; the report also highlights high MFA bypass rates, significant exploitation of edge and remote-access vulnerabilities (multiple CVEs listed), rising non-encrypting data exfiltration intrusions (73% data exfiltration), and the abuse of native AI and trusted communication channels (e.g., Microsoft Teams) to socially engineer victims and move laterally with lower detection profiles.