Russian hackers stole "highly classified" NSA files laying out how the agency combats cyberattacks and spies on other countries' networks, according to a new report in The Wall Street Journal.

According to security experts at the NSA, this alone helps to protect the ... then the first installed files, which gradually allow access to the system so hackers can tap into your information.

“They were brazen in using an NSA platform intended for professional ... A senior administration official told CNN that members of the rank and file in the intelligence community have been ...