Differentiate the following concepts as used by web based email users 1: Phishing 2: pharming 3:spam ?

1: Phishing - Phishing is a type of cyber attack where scammers send fraudulent emails that appear to be from a legitimate source in order to trick recipients into providing sensitive information such as passwords, credit card numbers, or personal information.

2: Pharming - Pharming is a type of cyber attack where hackers redirect users to a fake website by tampering with the DNS server or by using malware. The fake website is designed to look like a legitimate website in order to steal sensitive information from users.

3: Spam - Spam refers to unsolicited emails that are sent in bulk to a large number of recipients. These emails often contain advertisements, scams, or malicious links. Spam emails can be annoying and potentially harmful if they contain malware or phishing attempts.