8 Espionage Hacks to Outsmart the Masters of Miscommunication

As Big Brother looms large on every screen, the savvy practitioner must resurrect time-tested techniques to outsmart the puppeteers of miscommunication.

An employee walking behind a glass wall with machine coding symbols at the headquarters of Internet security giant Kaspersky in Moscow on Oct. 17, 2016. Kirill Kudryavtsev/AFP via Getty Images

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In the era of pervasive surveillance reminiscent of Orwellian nightmares, old-school Cold War hacks have staged a comeback, offering a clandestine refuge for the exchange of information.