What phishing and worm ???

in response to the email asking

1.What is phishing?
'Phishing' refers to the practice of fraudsters 'fishing' for your details in order to find out and misuse sensitive personal and financial information. Criminals may, for instance, make identical copies of existing corporate websites, or send scam e-mails to elicit a response from you and trick you into divulging your personal information.
Example : Mellisa and Code red


2.What is a worm?
A worm is a virus that does not infect other programs. It makes copies of itself, and infects additional computers (typically by making use of network connections) but does not attach itself to additional programs; however a worm might alter, install, or destroy files and programs