Booby-trapped RTF documents are one of the most common types of malicious Microsoft Office files that are used to infect computers with advanced persistent threats (APTs), according to security researchers from Trend Micro.

A ransomware application that locks computers and asks their owners to pay fines for allegedly violating several laws through their online activity is targeting U.S. and Canadian users, malware experts from security firm Trend Micro said on Wednesday.

Hackers are ramping up their attacks against Tibetan activists and are using increasingly sophisticated techniques to deliver malware, according to researchers from security firms FireEye and Trend Micro.

A new ransomware variant prevents infected computers from loading Windows by replacing their master boot record (MBR) and displays a message asking users for money, according to security researchers from Trend Micro.

Security vendor Trend Micro has been tracking a hacking campaign called Luckycat that has been linked to 90 attacks, including some aimed at Tibetan activists, and has tied it to a group based in China, the company said in a new report.

One can only hope that security software provider Trend Micro saw a nice sales boost after the proclamation of its chairman earlier this week that Android phones are more vulnerable to hacking than iPhones are. If it didn't, those blatantly self-serving statements were made for nothing.

It's become an all-too-common scam: A legitimate Web site pops up a window that looks just like a real security warning. It says there's something wrong with the computer, and click here to fix it. A few clicks later, the victim is paying out US$40 for some bogus software, called rogue antivirus.