Your VPN is off, but an app keeps telling you to disable it. You check the connection, reopen the app, and get exactly the same warning. What else are you supposed to turn off?

Sometimes another tool on your phone is using Android’s VPN interface. Sometimes the service is flagging your internet connection. The warning alone cannot tell you which, but a few checks can help you find out. 阅读更多...

A video is about to start, but a verification screen appears first. It looks familiar: a checkbox, a security logo and a message asking to confirm that a real person is visiting. Most people have completed enough of these checks to follow the instructions without much thought.

Then comes an extra step. The page asks to open a Windows tool and paste a command. It sounds unnecessary, but the instructions are clear and the video is waiting. Following them can install malicious software instead of completing a security check.

This is a fake CAPTCHA scam. It uses a routine part of browsing to persuade people to do something they would normally avoid: run instructions from an unknown source. 阅读更多...