Tired of spam texts that just won't stop? Your phone comes with built-in protection, but it might be turned off by default. Here's how to fix that on both iPhone and Android.

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. Update: Republished on May 6 with new intelligence on the scale of ...

These attacks are coming for you now. Update: Republished on April 18 with multiple new warnings as threat soars. iPhone and Android users across the U.S. and elsewhere are now under attack from ...