US Border Patrol Is Spying on Millions of American Drivers

Plus: The SEC lets SolarWinds off the hook, Microsoft stops a historic DDoS attack, and FBI documents reveal the agency spied on an immigration activist Signal group in New York City. Eight years after a researcher warned WhatsApp that it was possible to extract user phone numbers en masse from the Meta-owned app, another team of researchers found that they could still do exactly that using a similar technique. The issue stems from WhatsApp's discovery feature, which allows someone to enter a person's phone number to see if they're on the app. By doing this billions of times--which WhatsApp did not prevent--researchers from the University of Vienna uncovered what they're calling "the most extensive exposure of phone numbers" ever . Vaping is a major problem in US high schools.