Defending Against ShinyHunters Branded SaaS Extortion
🔐 Mandiant is tracking a notable expansion of ShinyHunters-branded extortion campaigns that use evolved vishing and victim-branded credential harvesting to compromise SSO credentials and enroll unauthorized devices into corporate MFA. These intrusions exploit social engineering — not product vulnerabilities — to pivot into cloud SaaS environments and perform bulk exports and administrative abuse. The post provides prioritized containment, hardening, logging, and detection guidance, and urges adoption of phishing-resistant MFA such as FIDO2 security keys and passkeys.
