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The mobile marketplace app has a growing number of users, but not all of them are genuine. Watch out for these common scams. Phil Muncaster 04 Feb 2026  •  , 6 min. read OfferUp has been in business for nearly 15 years. Although little known outside the US, the marketplace app competes for consumer hearts and minds with industry giants Craigslist, Facebook Marketplace and eBay. And like them, it has a problem with fraud. If…

Digital Security It’s snow joke – sporting events are a big draw for cybercriminals. Make sure you’re not on the losing side by following these best practices. Phil Muncaster 02 Feb 2026  •  , 5 min. read Cybercriminals have always been drawn to major sporting events. A combination of global brand awareness and an extensive digital footprint make them a popular option for opportunistic scammers. And events don’t get much bigger or better known than…

In this blog post, we provide more technical details related to our previous DynoWiper publication. Key points of the report: ESET researchers identified new data-wiping malware that we have named DynoWiper, used against an energy company in Poland. The tactics, techniques, and procedures (TTPs) observed during the DynoWiper incident closely resemble those seen earlier this year in an incident involving the ZOV wiper in Ukraine: Z, O, and V are Russian military symbols. We attribute…

The year got off to a busy start, with January offering an early snapshot of the challenges that (not just) cybersecurity teams are likely to face in the months ahead. It’s therefore time for ESET Chief Security Evangelist Tony Anscombe to look back on some of the month’s most impactful cybersecurity stories. Here’s some of what caught Tony’s eye: What are some of the lessons businesses should take away from these incidents? Be sure to…

ESET researchers have uncovered an Android spyware campaign leveraging romance scam tactics to target individuals in Pakistan. The campaign uses a malicious app posing as a chat platform that allows users to initiate conversations with specific “girls” – fake profiles probably operated via WhatsApp. Underneath the romance charade, the real purpose of the malicious app, which we named GhostChat, is exfiltration of the victim’s data – both upon first execution and continually while the app…

Digital Security Has your inbox recently been deluged with unwanted and even outright malicious messages? Here are 10 possible reasons – and how to stem the tide. Phil Muncaster 27 Jan 2026  •  , 5 min. read For all our modern obsession with social media and messaging apps, email remains a daily staple for many of us. Modern email providers are pretty good at filtering out unsolicited messages known as spam, their checks don’t necessarily…