GlassWire is a fantastic program, but slightly frustrating because it lets you try all its tools for free for seven days, then charges you £29 (for its Basic plan) to keep using some of them. Happily, its permanently free version includes its best feature, which monitors network activity on your PC and tells you which programs are connecting to the internet in the background. The latest update to GlassWire improves its alerts system for the suspicious activity it detects.
展开▼