People are using Zoom and other video conferencing programs more than ever before. Whether you’re working from home or keeping in touch with loved ones, a good webcam is vital to clear communication.

You can test your webcam using online tools or programs that come with Windows 10 or your Mac computer.

A major vulnerability has been discovered in the popular Zoom video conference calling app for the Mac. That vulnerability allows a person’s webcam to be hijacked if they simply click a link on a ...