CyberSecurity Updates

Business Security As the attack surface expands and the threat landscape grows more complex, it’s time to consider whether your data protection strategy is fit for purpose Phil Muncaster 05 Sep 2025  •  , 5 min. read A single security breach can jeopardize everything you’ve built. The theft of intellectual property and confidential customer data can result in a cascade of consequences, from hefty financial losses and a shattered brand reputation to ultimately the threat…

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ESET researchers have identified a new threat actor, whom we have named GhostRedirector, that compromised at least 65 Windows servers mainly in Brazil, Thailand, and Vietnam. GhostRedirector used two previously undocumented, custom tools: a passive C++ backdoor that we named Rungan, and a malicious Internet Information Services (IIS) module that we named Gamshen. While Rungan has the capability of executing commands on a compromised server, the purpose of Gamshen is to provide SEO fraud as-a-service,…

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From Meta shutting down millions of WhatsApp accounts linked to scam centers all the way to attacks at water facilities in Europe, August 2025 saw no shortage of impactful cybersecurity news 28 Aug 2025 As August 2025 comes to a close, ESET Chief Security Evangelist Tony Anscombe reviews a selection of the top cybersecurity stories that moved the needle, raised the alarms or offered vital lessons over the past 30 or so days, as well…

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ESET Research The discovery of PromptLock shows how malicious use of AI models could supercharge ransomware and other threats 26 Aug 2025  •  , 2 min. read ESET researchers have discovered what they called “the first known AI-powered ransomware”. The malware, which ESET has named PromptLock, has the ability to exfiltrate, encrypt and possibly even destroy data, though this last functionality appears not to have been implemented in the malware yet. While PromptLock was not…

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Kids Online Cyberbullying is a fact of life in our digital-centric society, but there are ways to push back Phil Muncaster 27 Aug 2025  •  , 4 min. read For better or worse, the digital world in many ways resembles its physical counterpart. Unfortunately, that means it sometimes enables, and even exacerbates, the same bad behaviors that we often see offline. According to a 2023 Microsoft study covering 17 countries, “cyberbullying harassment and abuse” is…

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