That Mr. Hegseth’s private cellphone number was easily available through commercial providers of contact information is not surprising, security experts said.

The call and text message records of hundreds of millions of AT&T cellphone customers in mid-to-late 2022 were exposed in a massive data breach, the telecom company revealed Friday.

NEW YORK (PIX11) – Some telemarketers are targeting phone numbers on the national “Do Not Call” registry because people are more likely to pick up, experts said. The registry currently has ...