TikTok’s CEO Shou Zi Chew defended his company as U.S. lawmakers questioned whether the app’s ties to China made it a national security risk. WSJ tech policy reporter John McKinnon joins host Zoe Thomas to discuss Chew’s testimony and what it means for TikTok’s future in the U.S. Learn more about your ad choices. Visit megaphone.fm/adchoices

Cybersecurity researchers say systems that force users to change their passwords often actually could be creating security risks. But lots of companies and even government websites require this and other not-so-secure policies. WSJ tech columnist Christopher Mims joins host Zoe Thomas to discuss why security experts are concerned and the login strategies they suggest companies adopt. Learn more about your ad choices. Visit megaphone.fm/adchoices

As more new technologies like artificial intelligence and the metaverse become mainstream, how are European Union officials approaching regulation? Spain’s Secretary of State for Digitization and Artificial Intelligence Carme Artigas spoke about that with WSJ senior personal tech columnist Joanna Stern at this year’s MWC. Julie Chang hosts. Learn more about your ad choices. Visit megaphone.fm/adchoices

Chipmaker Micron will have to overcome a massive shortage of skilled workers in order to open its planned semiconductor-manufacturing campus in the suburbs of Syracuse, N.Y. WSJ reporter Joseph De Avila joins host Zoe Thomas to discuss how the company is dealing with the shortage and what it says about the Biden administration's goal of increasing chipmaking in the U.S. Learn more about your ad choices. Visit megaphone.fm/adchoices

Silicon Valley leaders and Capitol Hill lawmakers are developing an unusual bicoastal alliance . The group is pushing against China's presence in the U.S. tech sector, and is meeting just days before TikTok's CEO is scheduled to testify before Congress. WSJ reporter Georgia Wells joins host Zoe Thomas to discuss who's leading the group and why they are concerned.  Learn more about your ad choices. Visit megaphone.fm/adchoices