Kevin Poulsen writes: A message from Vladimir Putin can take many forms.

It can be as heavy-handed as a pair of Russian bombers buzzing the Alaska coast, or as lethal as the public assassination of a defector on the streets of Kiev. Now Putin may be sending a message to the American government through a more subtle channel: an escalating series of U.S. intelligence leaks that last week exposed an NSA operation in the Middle East and the identity of an agency official who participated.

The leaks by self-described hackers calling themselves “the Shadow Brokers” began in the final months of the Obama administration and increased in frequency and impact after the U.S. bombing of a Syrian airfield this month—a move that angered Russia. The group has not been tied to the Kremlin with anything close to the forensic certitude of last year’s election-related hacks, but security experts say the Shadow Brokers’ attacks fit the pattern established by Russia’s GRU during their election hacking. In that operation, according to U.S. intelligence findings, Russia created fictitious Internet personas to launder some of their stolen emails, including the fake whistleblowing site called DCLeaks and a notional Romanian hacker named “Guccifer 2.0.” [Continue reading…]