Using and updating legitimate security software and performing daily scans.
Having your firewall on.
Never use an electronic device.
All of them
The domain name of the email sender corresponds with the bank name. (e.g. td bank: [email protected])
URL of the bank provided in the email.
The email contains spelling and grammar mistakes.
You see your full name and your postal address in the email, information you provided when you registered for your online banking account 2 years ago.
None of the above