By Zack Whittaker
Robocall-blocking apps promise to rid your life of spoofed and spam phone calls. But are they as trustworthy as they claim to be?
One security researcher said many of these apps can violate your privacy as soon as they are opened.
Dan Hastings, a senior security consultant at cybersecurity firm NCC Group, analyzed some of the most popular robocall-blocking apps - including TrapCall, Truecaller and Hiya - and found egregious privacy violations.