A significant cybersecurity incident at the Pentagon has led to the exposure of sensitive personal information of more than 3 million military personnel, including Social Security numbers and military job details. The breach has raised serious national security concerns as it affects both active service members and veterans. Investigations are ongoing to assess the scope of the breach, which may potentially impact up to 4 million individuals. Currently, there is no indication of misuse of the stolen data. The Defense Department has acknowledged the breach and is warning personnel about the exposure of their sensitive information.