With news this week of the messaging app being used to discuss war plans, we get you up to speed on what Signal should be ...

Until recent news involving the Signal app, it was a relatively unknown messaging app compared with WhatsApp to many nontechnical users.

Signal has estimated 40-70 million monthly users - making it pretty tiny compared to the biggest messaging services, WhatsApp ...

But the Atlantic’s editor in chief, Jeffrey Goldberg, revealed on Monday that he had been added to a group chat with President Donald Trump’s Cabinet members about military strikes on Yemen – raising ...

WhatsApp uses the Signal Protocol (see above), meaning it offers a reliably secure form of protection for messages by default. One problem with WhatsApp is that, while the content of your messages may ...

As the White House comes under fire for allegedly using Signal to discuss foreign policy plans, the encrypted messaging ...

The president of Signal defended the messaging app's security on Wednesday after top Trump administration officials ...

Trump administration officials included Jeffrey Goldberg, the editor of The Atlantic, in a group chat about airstrikes on ...

The Pentagon's acting inspector general has announced an investigation into Defense Secretary Pete Hegseth's use of the Signal messaging app to discuss military plans in Yemen. CBS News senior ...