The correct answer would be, Sniffing.
At Gear-up, criminals accessed the company's improperly secured wireless system and stole customers' credit card information as well as employees social security numbers. Gear up faced a computer crime called as Sniffing.
Explanation:
Data or information present on the digital devices are when transferred from one place to another(like through internet), it is transferred in the form of packets. These packets travel from the sender to the receiver through a medium. In a computer crime like Sniffing, these packets are being monitored and captured when passing through a network.
These packets contain information which is retrieved by the sniffers and used to do the criminal activities like stealing and using people's personal banking information, or as mentioned in the question, the social security numbers of Gear up employees were also stolen by the sniffers. All these activities are computer crimes, called as Sniffing.
Learn more about Sniffing at:
https://brainly.com/question/13700933
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