The private messaging Signal is not a secure government network but it is used by many government officials and journalists. NPR's Leila Fadel talks with Matt Blaze, cybersecurity expert and professor ...

The Signal encrypted messaging application is seen on a mobile device in this illustration photo taken in Warsaw, Poland on 26 March, 2025. (Photo by Jaap Arriens/NurPhoto) I don’t know very much ...

The National Security Agency sent out an operational security special bulletin to its employees in February 2025 warning them of vulnerabilities in using the encrypted messaging application Signal, ...

Trump officials have come under fire for using the app to discuss war plans. As the White House comes under fire for allegedly using Signal to discuss sensitive foreign policy plans, the encrypted ...

The government of Nicaragua abruptly took CNN en Español off the air this week, shortly after 10 p.m. local time on Wednesday. It has not explained why it removed CNN’s Spanish-language service, and ...

"Our results don't solve the mystery of the Wow! Signal, but they give us the clearest picture yet of what it was and where it came from." For researchers seeking answers to the question of whether we ...