Working Securely Across a Network

Secure communication is a concern, particularly when sharing confidential and vital information between people. For example, English Prime Minister Winston Churchill and American President Franklin D. Roosevelt shared critical military information, such as troop movements, during World War II. To secure their voice conversations through the telephone, the SIGSALY (aka Green Hornet) was devised to encrypt and decrypt using cryptographic keys.

Today, we can’t imagine anyone not worrying about network security. Even people who are not so technically savvy should be concerned. For instance, what if your ...

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