What is one popular network protocol that is usually enabled by default on home routers that creates a large attack surface?

What is one popular network protocol that is usually enabled by default on home routers that creates a large attack surface?
A . Open virtual private network (VPN)
B. Universal Plug and Play (UPnP)
C. Network Address Translation (NAT)
D. Domain Name System Security Extensions (DNSSEC)

View Answer

Answer: B

Explanation:

Reference: https://phoenixnap.com/blog/what-is-upnp