Computer Crime: Unauthorized access of a computer for personal gain, as in the illegal transfer of funds or to take and alter the data or property of others.

Or we can say, 
Computer crime  is defined as a crime that is committed using a network-connected device such as a computer or a mobile phone where the computer and mobile phone may have been used in the commission of a crime, or it may be the target.

Embezzlement: Embezzlement refers to a particular kind of theft, where an individual who is in a position of trust over another person's property or money fraudulently takes that property or money for himself or herself and uses it or spends it in a way it was not intended to be used or spent.