John E. Dunn

John Dunn has been covering the IT industry for more than 30 years, specializing in cybersecurity, mobile, cloud, privacy, and networking. His work has appeared in numerous tech titles, including Computerworld, PC World, The Register, Which Computing, Forbes, and Naked Security. In 2003, he co-founded IDG's Techworld.
Recent posts by John E. Dunn

On Sept. 25, 2023, an obscure cybercriminal group called RansomedVC made the startling claim that it had “successfully compromised all of Sony Systems.” The world sat up at what appeared to be yet another ransomware raid on a famous brand name. However, this one was a bit different from the usual playbook everyone is used […]

In a matter of weeks, a ransomware group with the unusual name “Scattered Spider” has become the hot threat group of the moment. Also known as “UNC3944,” “Scatter Swine,” and “Muddled Libra” (cybersecurity companies identify groups independently so, confusingly, they end up assigning them different names), this blog recently covered the group’s handiwork in the […]

Ever since gambling was legalized in Nevada in 1931, very little has stood in the way of an industry that never seems to run short of customers with money to lose in its nearly 300 casinos. They don’t call electronic slot machines “one-armed bandits” for no reason. And yet the idea of walking out of […]

In what might sound like an unremarkable incident, in early August a single PC in a factory in Wolverhampton, U.K., was compromised by malware connected to the notorious LockBit ransomware group. The PC in question belonged to Zaun, a British manufacturer of high-security perimeter fencing. Unfortunately, the compromise allowed the attackers to download 10GB of […]

Of all the root causes of ransomware, malicious advertising (malvertising) is probably not a threat vector most CISOs lose much sleep over. Malvertising, it is assumed, is old school: Criminals buy keyword advertising on a search engine, luring anyone who clicks on a rogue link to sites offering a range of bad possibilities. It sounds […]

Earlier this year, Britain’s National Cyber Security Centre (NCSC) published some promising figures for its Early Warning service set up to give U.K. organizations a rapid heads-up about developing cyberattacks, including ransomware. Formally launched in 2021 as part of the NCSC’s wider Active Cyber Defence (ACD) program, Early Warning is available at no cost to […]

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