What is the CIA Triad in security?
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Cybersecurity is crucial because it protects sensitive data, systems, and networks from cyber threats like hacking, malware, ransomware, and data breaches.
Social engineering in security refers to the manipulation of people into performing actions or divulging confidential information, often by exploiting human emotions such as trust, fear, or urgency. Instead of attacking a computer system directly, social engineering targets the human element of security, making it one of the most effective and dangerous forms of cyberattack.
The CIA Triad is a fundamental model in cybersecurity that represents the three core principles of information security:
1. Confidentiality
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Ensures that information is accessible only to authorized individuals.
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Protects data from unauthorized access or disclosure.
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Examples:
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Using encryption to protect sensitive data
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Implementing access controls and passwords
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Securing personal and financial information
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2. Integrity
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Ensures that information remains accurate, complete, and unaltered.
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Protects data from being modified by unauthorized users or corrupted accidentally.
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Examples:
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Using checksums or hash functions to detect tampering
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Version control systems
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Digital signatures
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3. Availability
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Ensures that information and systems are accessible when needed by authorized users.
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Protects against disruptions that could prevent access to data or systems.
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Examples:
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Backups and disaster recovery plans
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Redundant systems and networks
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Protection against denial-of-service (DoS) attacks
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Why the CIA Triad Is Important:
These three principles help guide the design and implementation of secure systems. A strong cybersecurity strategy balances all three elements to protect data effectively. Ignoring one can lead to vulnerabilities—for example, highly confidential data that is not available when needed can still be a major issue.
In summary, the CIA Triad—Confidentiality, Integrity, and Availability—forms the foundation of all cybersecurity efforts.
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