The ring is suspected to have the passcode that unlocks Digital Fortress. Strathmore asks Fletcher's fiancé David Becker to travel to Seville and recover a ring that Tankado was wearing when he died. The agency is determined to stop Digital Fortress from becoming a threat to national security. Strathmore intends to keep Tankado's death a secret because if Tankado's partner finds out, he will upload the code. Strathmore tells Fletcher that Tankado has in fact died in Seville at the age of 32, of what appears to be a heart attack.

If the NSA doesn't reveal TRANSLTR to the public, Tankado intends to auction the code's algorithm on his website and have his partner, 'North Dakota', release it for free if he dies, essentially holding the NSA hostage. She is informed by Strathmore that it was written by Ensei Tankado, a former NSA employee who became displeased with the NSA's intrusion into people's private lives. When the United States National Security Agency's (NSA) code-breaking supercomputer TRANSLTR encounters a revolutionary new code, Digital Fortress, that it cannot break, Commander Trevor Strathmore calls in head cryptographer Susan Fletcher to crack it. The book explores the theme of government surveillance of electronically stored information on the private lives of citizens, and the possible civil liberties and ethical implications of using such technology. Digital Fortress is a techno-thriller novel written by American author Dan Brown and published in 1998 by St.

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