Vishing

Voice phishing moves into enterprise chat Unit 42 has detailed a campaign it calls Spring Ring, a Microsoft Teams-based voice phishing operation observed between January and April 2026. The company says attackers used external Teams accounts to pose as IT help desk personnel and approached more...

Google tracks UNC6671 across new extortion brands Google Threat Intelligence Group says UNC6671 has continued data-theft extortion activity after the alleged retirement of the BlackFile brand in May 2026. The group is now associated by Google with multiple public extortion fronts, including...