$(3)$ Assume you receive an e$-$mail, which appears to come from your bank, includes your bank logo in it$,$ and with the following contents: "Dear Customer, Our records show that your Internet Banking access has been blocked due to too many attempts with invalid information such as incorrect IDs, password, or security number. We urge you to restore your account immediately and avoid permanent closure of your account, by clicking on this www$.$

Yourbank.com to restore your bank account. Thank you from your customer service team."

$($a$)$ What form of attack is this e$-$mail attempting? $($b$)$ What is the most likely mechanism used to distribute this email $($c$)$ How should you respond to such e$-$mails?