What is ShinyHunters vishing and how does it target SaaS?

ShinyHunters uses voice phishing to trick help desks into resetting passwords or enrolling devices, bypassing SSO and MFA to steal SaaS data like emails and files.

How do I contain a ShinyHunters breach right now?

Revoke all sessions and OAuth, disable self-service resets, pause device enrolls, restrict VPNs, and switch to manual video-verified support.

Will passkeys stop these attacks?

Yes—FIDO2 passkeys resist social engineering entirely, unlike push or SMS MFA that's vulnerable to vishing tricks.

🎯 Threat Intelligence

ShinyHunters' Vishing Onslaught: Mandiant's Urgent Playbook to Shield Your SaaS Empire

ShinyHunters isn't hacking code—they're hacking humans. Mandiant's frontline intel reveals vishing-fueled SaaS breaches, with a battle-tested defense blueprint that could redefine your security posture.

theAIcatchup Apr 08, 2026 4 min read

Digital vault cracking open under phone call icon with ShinyHunters watermark

⚡ Key Takeaways

ShinyHunters escalates via vishing to compromise SSO and SaaS without exploiting vulns. 𝕏
Immediate containment: Revoke sessions, freeze resets, manual video verifies. 𝕏
Harden with FIDO2 passkeys and AI-enhanced voice detection for phishing-proof future. 𝕏

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theAIcatchup

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#MFA hardening #SaaS data theft #SaaS security #ShinyHunters #vishing attacks

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Originally reported by Mandiant Blog

⚡ Key Takeaways

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