Operating System (OS) of the computer system should be upgraded promptly. Newer version of the operating system would help you make your system more secure.
Latest version of browsers should be used to connect to the Internet as they afford higher level of security.
Installing personal firewall on your computer system will provide added level of security.
Installation of Antivirus softwares on your computer system will reduce the risk of virus attacks. Continuous updation of these antivirus softwares will offer more resistance to newer viruses.
You can eliminate potential risk caused through pop-up windows by removing any spyware or adware installed on your computer, using spyware/adware removal softwares.
Be sure the Web page you are viewing offers encryption of your data. Often you will see a lock symbol in the lower right-hand corner of your browser window and/or the Web address of the page you are viewing will begin with "https://..." The 's' indicates 'secured' and means the Web page uses encryption.
Downloads from unfamiliar sources may contain hidden programs or viruses that can compromise your computer's security.
When not in use, disconnect your computer system from the Internet to avoid unwanted access to the information on your system. This precaution is applicable even if you have a firewall installed.
Never leave your computer unattended after you have logged into Internet banking website.
Install a screen saver with password protection.
If you are using a sensitive application like Internet banking, ensure that you logout completely, using the following steps:
Click the Logout button to log out of the application and end your Internet banking session.