When using public computers for sensitive tasks such as online banking, there can be some risks that you should be aware of before doing so:

1. Ensure that the public computer your using is secure and the internet connection is private and secure.
2. Be aware of the types of programs the public computer has in place such as anti-virus software.
3. Always make sure to log out of any online banking session you have used on a public computer.
4. Do not save any sensitive information to the public computer's hard drive.
5. Be mindful of the information you input into fields or save to a public computer's hard drive.