Do you know where your software’s been? If you’re downloading your apps and driver software from third parties, you may be getting more than you bargained for. Software download sites may be attaching unwanted extras to your installers in order to make money. And bad guys are also hacking these sites to trick you into downloading malware. I’ll tell you how to ensure your software is pristine.

In other news, Equifax admits that it lost even more sensitive information in the massive hack that affected over 145 million customers last year. Some key Apple source code in revealed that may help hackers attack your iPhone. And Lenovo announces critical bugs in the WiFi software on many of its ThinkPad laptops.