← Threat Actors & APT Groups

Spring Ring

Every article that identifies Spring Ring as responsible for or connected to reported activity.

PhishingUnit 42·4 hours ago

Spring Ring: An Inside Look at Voice Phishing Campaigns in Microsoft Teams

The Spring Ring campaign exploits Microsoft Teams as a vector for voice phishing attacks aimed at enterprise environments, with attackers using social engineering to gain access to sensitive systems. Researchers at Unit 42 have documented how this threat group leverages voice-based deception to ultimately deploy malware and target domain controllers within targeted organizations.