A dozen current and former officials confirmed that the encrypted messaging app is used across various agencies — despite ...

The National Security Council later confirmed the authenticity of the messages, sparking widespread concerns about the use of ...

In some cases, federal agencies have permitted the use of Signal, the encrypted messaging app used by top Trump officials to ...

The developer of the Signal app, used by members of the Trump administration, explained Tuesday why its app is the "gold ...

Scandal surrounding the Trump administration’s Signal group chat has led to a landmark week for the encrypted messaging app’s ...

The team led by U.S. President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the ...

Just as it did with Sweden, Signal is refusing to stay in a territory that undermines its encryption strategy, arguing that a ...

The Pentagon has issued a stark warning against the use of the encrypted messaging app Signal, raising concerns over cybersecurity lapses at the highest levels of government. This advisory comes in ...

The White House’s assertion that the case is closed surrounding national security officials’ use of Signal is getting pushback in Congress, even among some Republicans who say their own probes ...

New revelations are complicating the White House effort to close the book on the firestorm that erupted when senior administration officials were caught using the Signal messaging app to share ...

President Trump was urged by far-right activist Laura Loomer to purge staffers she deemed insufficiently committed to his ...