The following situations are similar, but each represents a variation of a particular crime. Identify the crime and point out the differences in the variations.
1. Chen, posing fraudulently as Diamond Credit Card Co., e-mails Emily, stating that the company has observed "suspicious" activity in her account and has frozen the account. The e- ail asks her to "re-register" her credit-card number and password to reopen the account.
2. Claiming falsely to be Big Buy Retail Finance Co., Conner e-mails Dino, asking him to "confirm or update" his "personal security information" to prevent his Big Buy account from being discontinued.
3. Felicia posts her resume on GotWork.com, an online joband resume-posting site, seeking a position in business and managerial finance and accounting. Hayden, who misrepresents himself as an employment officer with International Bank & Commerce Corp., sends her an e-mail asking for more personal information.