Officials inadvertently added a reporter to an unsecured group chat discussing plans for a U.S. attack on Houthis in Yemen. Here's a look at a timeline of the events.

Newsweek has reproduced all the Signal group messages that were published by The Atlantic, either by being written out by ...

The Atlantic on Wednesday posted screenshots and a fuller text chain from the Signal group chat that inadvertently included a ...

A screenshot from the group chat shows Pete Hegseth wrote ‘VP: I fully share your loathing of European free-loading. It's ...

The Atlantic on Wednesday released the screenshots of messages sent between top Trump administration officials through the encrypted app Signal detailing the timing and weapons used in airstrikes ...

Political fallout is mounting as some Republicans are breaking with the White House on the severity of the leak.

Messages shared on the Signal app did not include the most extensive type of plans the military produces, but included a detailed timeline and operational information about a Yemen bombing. Military ...

After various senior members of the Trump administration denied sharing “war plans” — classified or otherwise — in a Signal ...

See the newly published key exchanges between senior Trump administration officials, as reported by The Atlantic.

Signal is a free app that cybersecurity experts consider to be one of the most secure messaging services because of its ...

Encrypted apps like Signal offer privacy, but simple mistakes can put your data at risk. Follow these best practices to stay ...

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 ...