Following is a list of things you can do to protect yourself from spoofing:
Make sure your computer has the most current anti-virus and personal firewall software. Make sure you download the latest version of the anti-virus on a regular basis to guard against new viruses.
Do not click on links in E-mails from people you do not know (spam E-mails).
Go to the websites directly, by typing the URL of the site into your browser.
Create complex passwords. Passwords that have at least six characters and are made up of numbers and letters are generally hard to guess. Learn more...
Avoid using names of family members or pets in your password.
Do not E-mail your password to anyone.
Change your password on a regular basis. It is recommended that passwords be changed every 60 days. Learn more...