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

Readers of this blog won’t be surprised by the idea that there’s a lot of ransomware out and about these days. Exactly how much depends on which source is used as a reference point, but perhaps fretting about numbers and whether they’re increasing is to miss the point. What matters most is how we measure […]

In late September, the FBI sent a private industry notification warning organizations about a disturbing new dual ransomware attack trend: victims being hit by two or more ransomware strains in a single attack. This is ominous for at least three reasons. First, the FBI describes this as a trend—that is, something that’s more than an […]

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 […]