Security Goals (CIA Triad) The CIA triad is a widely recognized framework for understanding the three essential components of information security: Confi...
The CIA triad is a widely recognized framework for understanding the three essential components of information security: Confidentiality, Integrity, and Availability. These components are intricately linked and represent the three levels of security that must be addressed to ensure a system or network's confidentiality, integrity, and availability.
Confidentiality focuses on protecting sensitive information from unauthorized access. It can be achieved through various methods such as encryption, access control, and auditing.
Integrity ensures that information remains accurate and unaltered throughout its lifecycle. This involves authentication, checksums, and digital signatures.
Availability guarantees that information and resources are readily accessible to authorized users when needed. This involves redundancy, fault tolerance, and disaster recovery plans.
Each component of the CIA triad plays a crucial role in achieving comprehensive security. A compromised system or network can potentially violate multiple components simultaneously, rendering them ineffective.
Examples:
Confidentiality: Encrypting sensitive financial data ensures that only authorized individuals can access it.
Integrity: Checking the checksum of a downloaded file verifies that it hasn't been corrupted during transmission.
Availability: Implementing backups and disaster recovery plans ensures that critical systems can continue operating even in the event of a hardware failure