CyberSecurity Updates

ESET researchers have identified new MuddyWater activity primarily targeting organizations in Israel, with one confirmed target in Egypt. MuddyWater, also referred to as Mango Sandstorm or TA450, is an Iran-aligned cyberespionage group known for its persistent targeting of government and critical infrastructure sectors, often leveraging custom malware and publicly available tools. In this campaign, the attackers deployed a set of previously undocumented, custom tools with the objective of improving defense evasion and persistence. Among these…

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Social Media From LinkedIn to X, GitHub to Instagram, there are plenty of opportunities to share work-related information. But posting could also get your company into trouble. Phil Muncaster 01 Dec 2025  •  , 5 min. read Employee advocacy has been around as a concept for over a decade. But what started out as a well-intentioned way to enhance corporate profile, thought leadership and marketing, also has some unintended consequences. When professionals post about their…

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Data exposure by top AI companies, the Akira ransomware haul, Operation Endgame against major malware families, and more of this month’s cybersecurity news 28 Nov 2025 November 2025 is almost behind us, and it’s time for ESET Chief Security Evangelist Tony Anscombe to look at cybersecurity stories that raised the alarms, moved the needle or offered vital lessons over the past 30 or so days. Here’s some of what caught Tony’s eye this month: many…

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Kids Online Online disagreements among young people can easily spiral out of control. Parents need to understand what’s at stake. Phil Muncaster 27 Nov 2025  •  , 5 min. read The digital world offers countless opportunities for self-expression, learning and personal development, but it’s also a place where grudges are easily harbored, disagreements can often spiral, and intimidation, harassment and revenge are never far away. Often, doxxing is the primary way online retaliation manifests. It…

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Social Media Social media influencers can provide reach and trust for scams and malware distribution. Robust account protection is key to stopping the fraudsters. Phil Muncaster 25 Nov 2025  •  , 4 min. read It’s not an easy time to be an influencer. Brands are spending less, ad revenue is declining and competition is fierce – including from AI-generated influencers and impersonators. According to one study, around half of the industry makes just $15,000 or…

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Business Security Why your business needs the best-of-breed combination of technology and human expertise Steven Connolly 24 Nov 2025  •  , 4 min. read When I was in my mid-teens, I decided to get a job in a small local garage to learn how to maintain cars in preparation for owning my own. Years later, I was fortunate enough to have a company car. One day, it indicated that the oil was low and needed…

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