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.
The hackers reportedly found the files via Kaspersky's antivirus software after an National Security Agency contractor put the files on his home computer.
The attack, which happened in 2015 though it was only discovered last year, "is considered by experts to be one of the most significant security breaches in recent years." The files reportedly lay out key parts of the NSA's strategy for spying and defending itself against cyberattack. Read more...More about Tech, Nsa, Cybersecurity, Tech, and Cybersecurity