When your phone rings and the caller ID is blocked, or it's an unknown caller, it can be pretty frustrating. Especially when you receive repeat unknown calls. If you're ready to stop those annoying ...

Caller ID is standard now, but it wasn't always. When widespread adoption started in the 1990s, it was controversial to the point that it was widely viewed as an invasion of privacy. For people with ...

Does Caller ID Mean Much in the Age of Spoofed Numbers? Your email has been sent Learn how caller ID works, why people use it, how you can manage your own caller ID data, and how to protect yourself.

Phone numbers stink for security and authentication. They stink because most of us have so much invested in these digits that they’ve become de facto identities. At the same time, when you lose ...

Facebook has given people another reason not to trust it. The social network's two-factor authentication system, which uses phone numbers to improve account security, is also being used as a way to ...