Sending Fraudulent Emails to Obtain Passwords
Puzzle 13 of Tennis Medium Pack
Question is: Sending Fraudulent Emails to Obtain Passwords
and the answer is: PHISHING
Word Meaning:
PHISHING — (computing) The malicious act of keeping a false website or sending a false e-mail with the intent of masquerading as a trustworthy entity in order to acquire sensitive information, such as usernames, passwords, and credit card details.
Definitions from Wiktionary.