Which of the following is NOT recognized as a type of phishing?

The correct answer is "swimming" because it is not a recognized type of phishing. Phishing refers to a cyber attack where an attacker attempts to obtain sensitive information such as usernames, passwords, or financial details by masquerading as a trustworthy entity in electronic communication.

Spear phishing and whaling are both specific variations of phishing. Spear phishing targets specific individuals or organizations, often using personalized information to increase the chances of success. Whaling, on the other hand, is a type of spear phishing that specifically targets high-profile individuals, such as executives or important figures within a company, to gain access to sensitive information or resources.

Pharming is another technique related to phishing, where users are redirected from legitimate websites to fraudulent ones without their knowledge, allowing attackers to capture sensitive data.

In summary, "swimming" is not a term associated with phishing schemes, while the other options—spear phishing, whaling, and pharming—are established forms of phishing tactics used by cybercriminals.