What free software for PC privacy would be good to use? ?

My sis is wanting to do banking online I think and she has avast free along with other free software like spyware, etc etc etc

Related software:

1. can I download spyware and adware remover software free from att.yahoo.com?
2. What’s a good free software for internet security & firewalling?
3. Free antivirus software?
4. Any Free Anti-Spyware software to be recommended?
5. What is the best antivirus software that i can download for free online?

Tagged as: free, good, privacy, software, would