We at First Security Bank are committed to making sure your online banking experience is as rewarding as your in-person banking experience. If you have any technical issues or concerns, particularly with respect to privacy and the security of your personal information, feel free to contact our bank representatives…

  • by phone at (580) 625-4500
  • by email at customerservice@fsbbeaver.com
  • or pay us a visit Monday, Wednesday, Thursday, Friday , 9:00 a.m. to 4:00 p.m. or Tuesday, 9:00 a.m. to 5:30 p.m. at our home office on 15 South Douglas, Beaver, Oklahoma 73932.

Browser and Operating System Compatibility

Online Banking: Minimum Requirements

Windows 7 or higherMac OS X 10.9 or higher

Microsoft® Edge Microsoft® Windows 10+

Apple® Safari 9.1.3+

Google® Chrome 2.0+

Google® Chrome 5.0+

Microsoft® Internet Explorer 6.0+

Mozilla Firefox 2.0+

Mozilla Firefox 2.0+

Opera 9.0+

Opera 9.0+
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System Requirements:

  • Must have a valid email address and be signed up for online banking.
  • Must have the ability to view documents in a PDF format to receive statements.
  • Must log on to First National Bank Weatherford web site (Online Banking) at least once every 90 days.

Transport Layer Security (TLS) 1.2 Compatibility

Transport Layer Security (TLS) is a cryptographic protocol that provides privacy and data integrity between two applications communicating over a network.  It is the most widely used security protocol in use today and is used by web browsers and other applications that require data to be securely exchanged over a network.  TLS is designed to prevent eavesdropping and tampering of data.  TLS replaced its predecessor, Secure Sockets Layer (SSL), in June of 2015 due to numerous security vulnerabilities in the SSL protocol.  The SSL protocol was also deprecated by the National Institute of Standards and Technology (NIST) in 2014 for the same reasons.  The Payment Card Industry Security Standards Council (PCI SSC) suggests organizations migrate from TLS 1.0 to TLS 1.1 or higher before June 30, 2018.  To comply with this movement towards a safer and more secure method of transmitting your data, First National Bank Weatherford requires all customers to access online systems using web browsers and applications that are TLS 1.2 compatible by default.  Due to this constraint, you may be required to upgrade you web browser prior to using our new systems.

Enabling TLS 1.1 and TLS 1.2

The following procedure may be used to enable TLS 1.1 and 1.2 in your browser.  Keep in mind, the minimum supported browsers will have TLS 1.2 support by default.  These procedures are only relevant to unsupported browser versions.

Microsoft Internet Explorer (IE)

  1. Open Internet Explorer.
  2. Click Alt + T and select Internet Options.
  3. Select the Advanced tab.
  4. In the “Security” section, locate and check Use TLS 1.1 and TLS 1.2
  5. Click OK.


  1. Open Firefox.
  2. Type in “about:config” in the URL bar and press Enter.
  3. Scroll down to “security.tls.version.max” and press Enter.
  4. Set the value to 3.
  5. Click OK.

Google Chrome

  1. Open Google Chrome.
  2. Click Alt + F and select Settings.
  3. Scroll down and select Show advanced settings…
  4. In the Network section, click Change proxy settings…
  5. Select the “Advanced” tab.
  6. In the “Security” section, locate and check Use TLS 1.1 and TLS 1.2.
  7. Click OK.


  1. Open Opera.
  2. Click Ctrl + F12.
  3. Click Security.
  4. Click Security Protocols…
  5. Check Enable TLS 1.1 and TLS 1.2.
  6. Click OK.
  7. Click OK again.


TLS 1.1 and 1.2 are enabled by default.  There are no options to enable/disable TLS if you are using Safari version 7 or greater.