Digital Fortress transports the reader deep within the most powerful intelligence organization on earth - the National Security Agency (NSA), an ultra-secret, multibillion-dollar agency, which (until now) less than 3 percent of Americans knew existed. When the NSA's invincible code-breaking machine encounters a mysterious code it cannot break, the ...more

When the NSA's invincible code-breaking machine encounters a mysterious code it cannot break, the agency calls its head cryptographer, Susan Fletcher, a brilliant, beautiful mathematician. What she uncovers sends shock waves through the corridors of power. The NSA is being held hostage--not by guns or bombs -- but by a code so complex that if rel...more

Before the multi-million, runaway bestseller The Da Vinci Code, Dan Brown set his razor-sharp research and storytelling skills on the most powerful intelligence organization on earth--the National Security Agency (NSA), an ultra-secret, multibillion-dollar agency many times more powerful than the CIA.When the NSA's invincible code-breaking machine ...more

In most thrillers, "hardware" consists of big guns, airplanes, military vehicles, and weapons that make things explode. Dan Brown has written a thriller for those of us who like our hardware with disc drives and who rate our heroes by big brainpower rather than big firepower. It's an Internet user's spy novel where the good guys and bad guys strugg...more