The following tools will support you to ensure security when working on your computer, and in particular when e-banking.
Password managers enable you to store all your passwords in encrypted form.
Eraser tools (also called «wipe tools») will enable you to securely delete a file or a complete data carrier (e. g. hard drive, USB stick).
Privacy (Windows 10)
Privacy software allows you to retain control over the data you would like to pass on and the ones you don't.