An evolving intrusion campaign in which threat actors impersonate IT helpdesk personnel via Microsoft Teams to gain initial access and deploy a custom Go-based backdoor dubbed “GoGRPC.” Active since January 2026, the activity is assessed to be linked to an initial access broker (IAB) operation that likely facilitates downstream ransomware attacks. Aligning with tactics observed […] The post Hackers Pose as IT Helpdesk on Microsoft Teams to Deploy GoGRPC Backdoor appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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