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American Federal Bank will be retiring TLS 1.0 security protocol support for Online and Mobile Banking in order to align with industry best practices and ensure that your data continues to be highly secure.

TLS stands for “Transport Layer Security.” It is a protocol that provides privacy and data integrity between two communicating applications. It is the most widely deployed security protocol used today, and is used for web browsers and other applications that require data to be securely exchanged over a network.

On Thursday, May 17, 2018, we will disable the TLS 1.0 encryption protocol. This may prevent some users from using some or all Online and Mobile Banking functionality. This means that you may need to upgrade your web browsers to disable TLS 1.0 and use TLS 1.1 or higher. If your web browser is on an unsupported version you will see the following message and will need to update your web browser to resume the normal functions of Online and Mobile Banking:

Stronger Security Is Required

To access this website, you may need to upgrade your device’s operating system or web browser.


Supported web browser versions include:

  • Microsoft Internet Explorer (IE) – version 11 and higher
  • Microsoft Edge – all versions
  • Mozilla Firefox – version 27 and higher
  • Google Chrome – version 38 and higher
  • Apple Safari Desktop – versions 7 and higher for OS X 10.9 (Mavericks) and higher (7)
  • Apple Safari Mobile – versions 5 and higher for iOS 5 and higher

You can test your TLS “score” by visiting Additionally, you can check if your web browser has already disabled TLS 1.0 by visiting

We aim for this process to be as smooth and simple as possible. Our primary goal in this effort is to maintain the highest possible security standards and help keep your data secure.

Please contact your local American Federal Banker with any questions or concerns.