Definition: Measures and techniques to ensure the security of data against loss, misuse, unauthorized access, and manipulation. This focuses on protecting data integrity, availability, and confidentiality.
Key Features:
Confidentiality: Protecting data from unauthorized access.
Integrity: Protecting data from unwanted changes or damage.
Availability: Ensuring data is accessible when needed.
Common Methods:
Encryption: Transforming data into code to prevent unauthorized access.
Authentication: Verifying the identity of a user or system.
Backup: Regularly saving data for recovery in case of loss.
Applications: Anywhere data is stored, transmitted, or processed, including IT systems, networks, and cloud services.