Do you use Zoom? Of course you do. After the coronavirus pandemic hit North America and Europe in March 2020, seemingly everyone who had to start working, going to school or even socializing from home started using the videoconferencing service.

But boy, were there growing pains. Zoom went from 10 million daily users in December 2019 to 300 million daily users in April 2020. Its security and privacy practices came under sharp scrutiny — and experts didn’t like what they found.

• Best free Zoom backgrounds
• The best Zoom alternatives for video conferencing
• Plus: Zoom settles $85 million class-action lawsuit — how much you could get

It turned out that Zoom’s end-to-end encryption wasn’t quite end-to-end, that other Zoom meeting attendees could see a lot about you, and that pranksters and bored teenagers could “Zoom bomb” public meetings with shocking or rude content.

Zoom’s privacy policies also seemed to give Zoom the right to do whatever it wanted with users’ personal data.

Most of those flaws have fixed or otherwise mitigated since the spring of 2020, but newer issues seem to crop up on a regular basis. We’ve got a running list of what’s gone wrong with Zoom, what’s been fixed and what’s still an open issue — after we give you a few tips on how to make Zoom safer to use.

Notes: