A coordinated social-engineering operation tracked as Spring Ring abused Microsoft Teams external accounts to impersonate corporate IT help desks, targeting more than 150 employees across at least 10 organizations between January and April 2026. The campaign demonstrates how attackers can turn trusted collaboration channels into an initial-access route for remote-control tools, custom malware, and attempted […] The post Spring Ring Campaign Uses Teams Vishing, PowerShell RAT and NTLM Relay Attacks appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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