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Unlike data communications of the past, today s networks consist of numerous devices that handle the data as it passes from the sender to the receiver. However, security concerns are frequently raised in circumstances where interconnected computers use a network not controlled by any one entity or organization. Introduction to Network Security examines various network protocols, focusing on vulnerabilities, exploits, attacks, and methods to mitigate an attack.

The book begins with a brief discussion of network architectures and the functions of layers in a...

Computer users have a significant impact on the security of their computer and personal information as a result of the actions they perform (or do not perform). Helping the average user of computers, or more broadly information technology, make sound security decisions, Computer Security Literacy: Staying Safe in a Digital World focuses on practical security topics that users are likely to encounter on a regular basis.

Written for nontechnical readers, the book provides context to routine computing tasks so that readers better understand the...

American Adam Nowak has been dropped into Poland by British intelligence as an assassin and Resistance fighter. During the Warsaw Uprising he meets Natalia, a covert operative who has lost everything--just as he has. Amid the Allied power struggle, Adam and Natalia join in a desperate hunt for the 1940 Soviet order authorizing the murders of 20,000 Polish army officers and civilians.

After Anna and her husband Jan are separated and forced to flee occupied Poland, Anna soon finds herself caught up in the Belgian Resistance, while Jan becomes embedded in British Intelligence efforts to contact the Resistance in Poland. He soon realises that he must seize this opportunity to search for his lost wife, Anna.