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In this video from Total Seminars, Mike Meyers is joined by professor of computer science Bill Saichek as they discuss cryptography. Mike and Bill start with the basics of just what cryptography is and the key role it plays in protecting digital data. They then cover important topics like how websites use certificates to make sure usernames, passwords, credit card numbers, and other personal data stay secure; ciphers, binary, hashing, symmetric and asymmetric cryptosystems, digital signatures and certificates, and public key infrastructure; and how hashing helps you to be certain the data you receive or download is legitimate. Whether you're just curious about cryptography, or you want to prepare for the CompTIA Security+ exam (or any other cyber security course), this course will give you a better understanding of this intriguing subject. Note: This course was created by Total Seminars. We are pleased to host this training in our library.