18 Apr, 2026

Mandiant details how ShinyHunters abuse SSO to steal cloud data

Mandiant says a wave of recent ShinyHunters SaaS data-theft attacks is being fueled by targeted voice phishing (vishing) attacks and company-branded phishing sites that steal single sign-on (SSO) credentials and multi-factor authentication (MFA) codes. As first reported by GeekFeed, threat actors are impersonating corporate IT and helpdesk staff and calling employees directly, claiming that MFA settings […]

6 mins read

ShinyHunters claim to be behind SSO-account data theft attacks

The ShinyHunters extortion gang claims it is behind a wave of ongoing voice phishing attacks targeting single sign-on (SSO) accounts at Okta, Microsoft, and Google, enabling threat actors to breach corporate SaaS platforms and steal company data for extortion. In these attacks, threat actors impersonate IT support and call employees, tricking them into entering their […]

5 mins read

New CoPhish attack steals OAuth tokens via Copilot Studio agents

A new phishing technique dubbed ‘CoPhish’ weaponizes Microsoft Copilot Studio agents to deliver fraudulent OAuth consent requests via legitimate and trusted Microsoft domains. The technique was developed by researchers at Datadog Security Labs, who warned in a report earlier this week that Copilot Studio’s flexibility introduces new, undocumented phishing risks. Although CoPhish relies on social […]

5 mins read