Secure Communications derive security through which means?

Secure Communications derive security through which means?

• A. Type 1 products and/or protected distribution systems.
• B. Data encryption standard only.
• C. User authentication and non-repudiation only.
• D. Physical security measures only.

Answer: (A)

Secure communications rely on using NSA-approved cryptographic devices and protected channels to guard the data in transit. Type 1 products provide the validated hardware that performs strong encryption and cryptographic processing, while protected distribution systems ensure the physical and logical path carrying the signals is secured from interception and tampering. Together, they establish the trusted foundation for secure communications. Relying on DES alone isn’t adequate today, since a single encryption algorithm by itself isn’t the complete security solution. Authentication and non-repudiation are important for verifying who is communicating and ensuring accountability, but they don’t by themselves protect the content of the transmission. Physical security helps but does not guarantee the security of the communications path without the proper cryptographic devices and protected channels.

Secure communications rely on using NSA-approved cryptographic devices and protected channels to guard the data in transit. Type 1 products provide the validated hardware that performs strong encryption and cryptographic processing, while protected distribution systems ensure the physical and logical path carrying the signals is secured from interception and tampering. Together, they establish the trusted foundation for secure communications.

Relying on DES alone isn’t adequate today, since a single encryption algorithm by itself isn’t the complete security solution. Authentication and non-repudiation are important for verifying who is communicating and ensuring accountability, but they don’t by themselves protect the content of the transmission. Physical security helps but does not guarantee the security of the communications path without the proper cryptographic devices and protected channels.