Each week, we review the week’s news, offering analysis about the most important developments in the tech industry.

Hi, I’m Jamie Condliffe. Greetings from London. Here’s a look at the week’s tech news:

WhatsApp sued the Israeli cybersurveillance firm NSO Group this week over the way spying technology had been used on its messaging service. NSO Group’s tools were used to spy on more than 1,400 people, including journalists and human-rights activists, from 20 countries, the lawsuit claims.

The privacy intrusions used a WhatsApp call to embed spyware on phones that provided access to their contents, my colleague Nicole Perlroth explained. The target didn’t even need to answer the call.

WhatsApp, which is owned by Facebook, now seeks to block NSO Group from its service and has called on lawmakers to ban the use of such cyberweapons, which are largely unregulated. NSO Group disputed the claims and said it would “vigorously fight them.”