The Data Encryption Standard (DES) is a historic encryption algorithm designed and implemented by IBM in the 1970s with the purpose of serving as a standard encryption algorithm for unclassified communication throughout the federal government. In this video, discover how DES implements encryption and decryption as well as the flaws in this approach.
- [Narrator] Security professionals spend a lot … of their time protecting the confidentiality, … integrity and availability of information. … And that makes sense, … because information is often an organization's … most valuable asset. … One of the major risks … in today's increasingly mobile environment, … is the physical theft of devices. … From an information perspective, … mobile devices contain all sorts of sensitive information. … And depending upon the identity of the user, … may even allow access to other more sensitive resources, … such as database servers or network security controls. … Security professionals often use encryption … to protect the contents of devices against theft. … Even if a thief gains hold of a lost or stolen device, … they won't have access to any of the sensitive information … stored on that device. … This limits the damage incurred by a loss or theft. … Sure, you've still lost a computing device worth hundreds … or thousands of dollars, … but you don't have the additional loss …
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