The probe is being led by the agency's Office of Professional Responsibility and Office of the Chief Information Officer.

Hackers are believed to have accessed the agency's Constant Contact email marketing service account.

The information of veterans who visited a Milwaukee VA office was left unprotected on a shared national network.

NASA does not believe any mission-critical systems were affected by the breach.

In total, OPM received a score of 2 from the IG out of a possible 5 for its cybersecurity maturity level in this latest report.

The Securities and Exchange Commission is investigating his agency’s recently revealed data breach, Chairman Jay Clayton told a panel of senators on Tuesday.

The compromised database is known as EDGAR.

The man responsible for leading the National Security Agency’s defensive mission says his team is fielding more calls than ever from agencies across the government.

The tax-collection agency perceived as far back as September that the system could be a target but decided to keep it online.

Competing interests exist between two of the predominant federal agencies tasked with stopping hackers from attacking the U.S., officials say, and that dynamic shapes how and when…