Information Technology Specialist (ITS) Cybersecurity Practice Exam

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What technique can be used to enhance the confidentiality of data in transit?

File compression
Data backup
Encryption
Data curation

The correct answer is: Encryption

Encryption is the technique that significantly enhances the confidentiality of data in transit. When data is transmitted over networks, it is susceptible to interception by unauthorized parties. By using encryption, the data is encoded into an unreadable format that can only be decrypted by someone who possesses the correct key. This means that even if an attacker manages to intercept the transmission, they will not be able to understand or access the actual content of the data. This approach is fundamental to secure communications and is commonly employed in protocols such as HTTPS, VPNs, and encrypted messaging services. The primary objective of encryption is to protect sensitive information from exposure during its transfer across potentially insecure channels, thereby ensuring confidentiality and safeguarding privacy against unauthorized access.