A company hires a security firm to perform a penetration test, but no information is given to the security firm about the network. What type of preliminary research are the penetration testers most likely to perform while maintaining a low profile?

Group of answer choices

Pose as an employee to enter the building and read wireless data.

Quietly tap into the network and passively capture network traffic.

Search online for publicly accessible information that can reveal valuable insight.

Drive around the perimeter of the building searching for wireless signals that could be exploited.