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Google has released a report describing the novel ways in which malware has been using AI to adapt and evade detection.
The post Malware Now Uses AI During Execution to Mutate and Collect Data, Google Warns appeared first on SecurityWeek.
Norton finds a flaw in the new Midnight ransomware built from Babuk code and releases a free decryptor to help victims recover files without paying a ransom.
U.S. prosecutors charged three Florida men for using BlackCat ransomware to hack and extort five U.S. companies in 2023. U.S. prosecutors charged Ryan Clifford Goldberg, Kevin Tyler Martin, and another Florida-based accomplice (aka “Co-Conspirator 1”) for using BlackCat ransomware to hack and extort five U.S. companies in 2023. According to Federal prosecutors, the attacks occurred […]
Microsoft researchers found the SesameOp backdoor using OpenAI’s Assistants API for remote access, data theft, and command communication.
Microsoft found a new backdoor, SesameOp, using the OpenAI Assistants API for stealthy command-and-control in hacked systems. Microsoft uncovered a new backdoor, named SesameOp, that abuses the OpenAI Assistants API for command-and-control, allowing covert communication within compromised systems. Microsoft Incident Response – Detection and Response Team (DART) researchers discovered the backdoor in July 2025 while […]
A component of the newly discovered SesameOp backdoor uses the API to store and relay commands from the C&C server.
The post SesameOp Malware Abuses OpenAI API appeared first on SecurityWeek.
Hackers target trucking firms with RMM tools to steal freight, teaming with organized crime to loot goods, mainly food and beverages. Cybercriminals are targeting trucking and logistics firms with RMM tools (remote monitoring and management software) to steal freight. Active since June 2025, the group works with organized crime to loot goods, mainly food and […]
The Rhysida ransomware gang has been running a sophisticated malvertising campaign that delivers OysterLoader malware through deceptive search engine advertisements, giving attackers complete access to compromised devices and networks. The Rhysida gang…
Ukrainian Yuriy Rybtsov, aka MrICQ, a suspected Jabber Zeus developer, was extradited from Italy to the US to face cybercrime charges. Ukrainian national Yuriy Igorevich Rybtsov (41), aka MrICQ, an alleged Jabber Zeus developer, was arrested in Italy, lost his extradition appeal, and has been sent to the US to face cybercrime charges. After a […]
Kaspersky researchers uncovered Operation ForumTroll, an attack campaign utilising the new ‘Dante’ spyware developed by Memento Labs, the rebranded Hacking Team. The attacks used a Chrome zero-day vulnerability (CVE-2025-2783) and COM hijacking for per…