"Teaches how to break encrypted texts, whether by hand or using free computer tools. Covers specific cryptographic techniques and includes real-life examples of encrypted text, from modern postcards to nineteenth-century newspaper ads, telegrams, notes smuggled into prisons, and entire encrypted books"--

From the ingenious ciphers of Italian princes to the spy books of the Civil War to the advanced techniques of the CIA, codes and code breaking have played important roles throughout history.

Joining the elite Bletchley Park codebreaking team during World War II, three women from very different walks of life uncover a spy's dangerous agenda years later against the backdrop of the royal wedding of Elizabeth and Philip.

An American computer hacker operating in Southeast Asia attempts to break a World War II cypher to find the location of a missing shipment of gold. The gold was stolen by the Japanese during the war. Bouncing between World War II and the World Wide Web, Cryptonomicon follows the exploits of Lawrence Waterhouse, a young mathematical genius assigned to a highly secretive outfit that has cracked the fabled Nazi enigma code.

It tells the fascinating story of Elizebeth Smith Friedman, the groundbreaking cryptanalyst whose painstaking work decoding thousands of messages for the U.S. government would send infamous gangsters to prison and bring down a massive, near-invisible Nazi spy ring in WWII. A suburban wife and mother who led a secret double life, her remarkable contributions to the science of cryptology would only come to light decades after her death when classified...

Categorical trust in digitality is nirvana for information technology (IT) and operational technology (OT) convergence from device manufacturing to provisioning, commissioning, and field operations in production environments. It may not require expensive hardware upgrades to legacy devices and may be achievable with cost effective software or firmware enhancements, to extend the operational lifetime and efficiency of brownfield and greenfield devices...

Viren, Würmer, Trojanische Pferde, das Arsenal der Hackerangriffe auf IT-Infrastrukturen scheint unerschöpflich. Nachdem Computerwurm Stuxnet 2010 das Steuerungssystem eines iranischen Atomkraftwerks befallen hatte und Computer durch die Malware Flame ferngesteuert und ausspioniert wurden, sorgte 2015 ein Virus namens Duqu 2.0 für Schlagzeilen, weil er die IT von Unternehmen in Europa, Asien und den USA infiziert hatte. Was aber wenn Computer grundsätzlich...

It seems like everywhere you go on the Internet, there is spam, spyware, and the risk of viruses infecting your computer and ruining your online experience. In businesses alone, according to Nucleus Research Inc. spam costs more than $712 per employee each year in productivity and computing resources and the estimation on money lost by businesses due to computer viruses ranges between $100 million and $2 billion annually depending on how the total...