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How Does it Work?

With Internet banking, you can conduct all of your banking business from home, right over the Internet. It's all easy, and it's all safe, because our CU@HOME service uses 128-bit encryption. This is one of the highest forms of encryption technology available today.

About Browsers and Encryption:

There are many different Web browsers on the market today. The most popular two are Microsoft Internet Explorer® and Mozilla Firefox™.  These two products come in dozens of different versions, and each has a different degree of security.

Web browsers deliver security by encrypting all of the information that travels between your computer and a server into unreadable messages. Even if they are somehow intercepted on the way from your computer to an online service, these encrypted messages are meaningless. Only when they reach their destination can they be decrypted back into useable messages by the server.

40-bit encryption is the most common kind. It's called that because the keys that it uses to encode messages are 40-bits long. For very sensitive transactions, though, the much stronger 128-bit encryption is recommended by all privacy advocates and security professionals.

That's why our CU@HOME service uses 'strong' 128-bit encryption, and that's why to use CU@HOME, you need to make sure you're using a 128-bit secure version of your Web browser, whether it's from Microsoft or from Mozilla.

Browser Requirements:

Supported Browsers:

This website has been developed for the convenience of a broad range of users, including those who require assistive technologies like screen readers.

Definitions of Support Levels:

Level 1: We support this browser and carry out Quality Assurance across at least one operating system.

Level 2: We support this browser, but do not carry out Quality Assurance to verify the impact of any changes made to the site. Our stated support level is based on tests conducted on different operating systems or newer versions of this browser.

Level 3: We do not test this browser. We do not support the visual display rendered by this browser, although the functionality of the site should remain fully accessible. If this is not the case, please tell us.

N/A: The browser is not known to work on this operating system.

Browsers/OS Win 2000 Win XP Vista Mac 10.3.x Mac 10.4
IE 8.0 n/a 1 1 n/a n/a
IE 7.0 n/a 1 1 n/a n/a
IE 6.0 3 2 n/a n/a n/a
IE 5.5 3 3 n/a n/a n/a
IE 5.0 3 3 n/a n/a n/a
Firefox 3.0+ 2 1 1 2 2
Firefox 2.0 2 2 3 2 2
Opera 9 2 2 2 2 2
Opera pre 9 3 3 3 3 3
Safari 3.0+ n/a n/a n/a 1 1
Safari 2.0 n/a n/a n/a n/a 2

For our technically inclined users, the particular specifications that we support are XHTML 1.0 Transitional, CSS 1.0 and 2.0, DOM Level 1 and 2, and ECMA Script (JavaScript). The site will work using all browsers that correctly implement these specifications. Browsers that do not will be gracefully downgraded to a lower level of support.

To maximize your Internet banking experience, we recommend using a newer browser version to make full use of new technologies and current security updates.

128-Bit Secure Socket Layer (SSL) Encryption:

To access our services, your browser must also support 128-bit Secure Socket Layer (SSL) encryption. All the browsers we support meet this requirement. If yours doesn't, please download the appropriate encryption support from your browser's supplier.

If you use Internet Explorer, you can download a High Encryption pack from Microsoft.


To use our online banking services, you must enable your browser to accept cookies. Detailed information on our use of cookies is available in our Privacy Statement. For more information on enabling and disabling cookies, please refer to your browser's Help section.


We use JavaScript for some advanced functions on our website, such as the Print button. To fully utilize all the all the online banking capabilities of the website, please enable JavaScript on your browser.