CompTIA CySA+ (CS0-002) — Question 140

The inability to do remote updates of certificates, keys, software, and firmware is a security issue commonly associated with:

Answer options

• A. web servers on private networks.
• B. HVAC control systems.
• C. smartphones.
• D. firewalls and UTM devices.

Correct answer: B

Explanation

The correct answer is B, as HVAC control systems often lack the infrastructure for secure remote updates, making them vulnerable. In contrast, web servers, smartphones, and firewalls typically have mechanisms in place for regular updates and security patches, reducing the associated risks.