Aaron and his friends engage in illegal activities online. they sell cars online for a full or partial payment but do not deliver the vehicle. at times, they also ask for the social security numbers of unassuming buyers in the pretense of verifying their credibility. in this case, aaron and his friends are engaged in

Cyber crime

Explanation:

Cyber-crime also known as the computer oriented crime is referred to as a crime that tends to involve computers and networks . Computer might have been utilized in order to commission a crime, or tends to be the target. Cyber-crimes are usually defined as an, "Offences which are usually committed against an individual or a group of individual, this is committed with a an intention to harm or criminal motive or cause mental or physical harm to the victim either directly or indirectly.

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