CyberSecure Specialist

Ransomware A breach claims the systems as well as the confidence that was, in retrospect, a major vulnerability Tomáš Foltýn 24 Apr 2026  •  , 5 min. read There’s a bit of a pattern in the history of organizational failures that repeats too often to be a coincidence: A system runs smoothly for a long stretch, causing everyone to grow confident in it. Almost invariably, this also quietly erodes the vigilance that kept the system…

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ESET Research ESET Research has discovered a new China-aligned APT group that we’ve named GopherWhisper, which targets Mongolian governmental institutions Eric Howard 23 Apr 2026  •  , 6 min. read ESET researchers have discovered a previously undocumented China-aligned APT group that we named GopherWhisper. The group wields a wide array of tools mostly written in Go, using injectors and loaders to deploy and execute various backdoors in its arsenal. In the observed campaign, the threat…

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ESET Research has discovered a new variant of the NGate malware family that abuses a legitimate Android application called HandyPay, instead of the previously leveraged NFCGate tool. The threat actors took the app, which is used to relay NFC data, and patched it with malicious code that appears to have been AI-generated. As with previous iterations of NGate, the malicious code allows the attackers to transfer NFC data from the victim’s payment card to their…

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In March 2024, an affiliate of the BlackCat ransomware gang took to a cybercrime forum with a complaint. They’d carried out the attack on Change Healthcare – one of the largest healthcare data breaches in U.S. history – but never got their cut of the $22 million ransom payment. BlackCat’s operators had taken the money and vanished, putting up a fake FBI seizure notice on their leak site to cover the exit. The grievance almost…

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