New Helix vishing group emerges in SharePoint data theft attacks
A new extortion actor dubbed Helix chains voice phishing with device-code auth abuse to exfiltrate SharePoint data — a playbook that renders SMS-based MFA largely ineffective for M365 tenants.
Summary written by editorial AI · Source link below
A new data-extortion group called Helix is using identity-focused tactics such as voice phishing (vishing), device code phishing, and multi-factor authentication (MFA) abuse to steal data from SharePoint environments. [...]
Editorial Analysis
European enterprises relying on Microsoft 365 face growing identity-layer threats that circumvent legacy MFA; this campaign signals the need for phishing-resistant authentication at scale.
Mandate FIDO2/passkey-based MFA for all SharePoint-privileged accounts and simulate vishing scenarios in your next red-team exercise.
A new threat group is stealing corporate data from SharePoint by socially engineering employees over phone calls and exploiting weak multi-factor authentication.
Forward-looking interpretation drafted by editorial AI under human review — not a reproduction of the source. See methodology.
External link — opens at BleepingComputer in a new tab.
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