Confidentiality, Integrity and Availability: The C-I-A Triad

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Description
This lesson focuses on the principles of security; specifically the C-I-A Triad:
  • Confidentiality: Preventing the unauthorized disclosure of data
  • Integrity: preventing the unauthorized modification of data
  • Availability: ensuring timely access to resources
In addition, it is also to remember the opposites of C-I-A: Disclosure: sniffing, shoulder surfing, social engineering Alteration: international or accidental modification of files. Can also include corruption of data. Destruction: Denial of Service (DoS), Distributed Denial of Service (DDoS), physical theft or vandalism. In order to protect C-I-A, use the following best practices:
  • Separation of Duties (SoD)
  • Mandatory vacations
  • Job rotation
  • Least privilege
  • Need to know
  • Dual control
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