The following situations are similar, but each represents a variation of a particular crime. Identify the crime involved in each of the following situations. (See Cyber Crime.)

(a) Chen, posing fraudulently as being from Centell, the provider of Emily’s security software, sends an e-mail to Emily, stating that the company has observed suspicious activity in her account and on her network. The e-mail asks Emily to call Chen immediately to provide a new credit-card number and password to update her security software and reopen the account. 

(b) Claiming falsely to be Big Buy Retail Finance Company, Conner sends an e-mail to Dino, asking him to confirm or update his personal security information to prevent his Big Buy account from being discontinued.