Hegseth, a former Army major, appeared to deny the incident, insisting to reporters Monday, “Nobody was texting war plans.” ...

OPSEC, or operational security, is a military priority. Accidentally sharing combat action plans over an unsecured app is ...

Jeffrey Goldberg, editor-in-chief of The Atlantic, was invited to a group chat led by National Security Advisor Michael Waltz ...

The Atlantic editor-in-chief published a bombshell article detailing how members of the administration had accidentally ...

It is important to remember the fundamentals of Operational Security (OPSEC). OPSEC is to protect sensitive, unclassified information. Social media is perhaps the biggest threat to OPSEC today.

John Phelan (left) was confirmed as secretary of the Navy on March 24. (Rod Lamkey Jr./AP) The Senate on Monday confirmed John Phelan to serve as the next secretary of the Navy, making him only ...

Pentagon and military leaders emphasize operational security training to protect troops. OPSEC is the management and control of military information to mitigate an adversary's knowledge. Trump ...