As nouns the difference between phishing and smishing

is that phishing is the act of sending email that falsely claims to be from a legitimate organization. This is usually combined with a threat or request for information: for example, that an account will close, a balance is due, or information is missing from an account. The email will ask the recipient to supply confidential information, such as bank account details, PINs or passwords; these details are then used by the owners of the website to conduct fraud while smishing is identity theft committed through a malicious link contained within a text message.

As a verb phishing

is present participle of lang=en.