CompTIA Security+ Question C-12

When performing the daily review of the system vulnerability scans of the network Peter, the administrator, noticed several security related vulnerabilities with an assigned vulnerability identification number. Peter researches the assigned vulnerability identification number from the vendor website. Peter proceeds with applying the recommended solution for identified vulnerability.
Which of the following is the type of vulnerability described?

A. Network based
C. Signature based
D. Host based

Answer: C

A signature-based monitoring or detection method relies on a database of signatures or patterns of known malicious or unwanted activity. The strength of a signature-based system is that it can quickly and accurately detect any event from its database of signatures.