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Security researchers have unveiled a sophisticated new attack technique called “Ghost Calls” that exploits popular web conferencing platforms to establish covert command-and-control (C2) channels, effectively turning trusted business communication tools into hidden pathways for cybercriminals. The technique, presented by Adam Crosser from Praetorian at Black Hat USA 2025, demonstrates how attackers can abuse the TURN […]

The post ‘Ghost Calls’ Attack Exploits Web Conferencing as Hidden Command-and-Control Channel appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.

Threat actors are placing a higher priority on neutralizing endpoint detection and response (EDR) systems in order to remain stealthy in the dynamic world of multi-stage cyberattacks. Since 2022, malware sophistication has surged, with tools specifically engineered to disable EDR on compromised endpoints. These utilities, often developed by ransomware affiliates or sourced from underground markets, […]

The post HeartCrypt-Packed ‘AVKiller’ Tool Actively Deployed in Ransomware Attacks to Disable EDR appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.

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Most growing B2B companies are making the same expensive mistake with AI that they made with cloud computing 15 years ago. Here's why building your own AI infrastructure will kill your competitive advantage and what smart leaders are doing instead.

The post Why Your Growing B2B Company Shouldn’t Build AI Infrastructure (And What to Do Instead) appeared first on Security Boulevard.