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Cisco Talos has uncovered a new DeadLock ransomware campaign using a previously unknown BYOVD loader to exploit a Baidu Antivirus driver vulnerability, letting threat actors disable EDR defenses and escalate attacks. Learn More
In August 2025, Cisco Talos observed big-game hunting and double extortion attacks carried out by Kraken, a Russian-speaking group that has emerged from the remnants of the HelloKitty ransomware cartel. Learn More
Cisco Talos has confirmed that ransomware operators are leveraging Velociraptor, an open-source digital forensics and incident response (DFIR) tool. Learn More
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