From the Help drop down menu, please select About Internet Explorer. displayed for Cipher Strength is the encryption level (i.e. Cipher Strength: bit) . Browser Requirements. Microsoft Internet Explorer. If your computer does not currently use bit encryption, simply follow the appropriate instructions. If you find that your browser does not support bit encryption, you will need to With Internet Explorer open, click on the Help menu and select "About. High (bit) encryption is included in the latest versions of Internet Explorer. Internet Explorer 3.x: While Microsoft's Internet Explorer version 3.x can support bit encryption, we recommend that you upgrade from this old version. A. If you install a version of IE on Windows created by the Internet Explorer Admin Kit with the bit encryption (afcef.org) you may receive the. Web Browser, Operating System, Ciphers. Internet Explorer 9, Windows Vista, , Windows 7, AESbit. Internet Explorer 9, Windows XP. Modern browsers are able to support any cipher that has not been deemed insecure. Internet Explorer 7, Windows Vista, AESbit. Warning - We did not detect that your web browser supports bit high encryption. If you have trouble connecting after you click the. IE has supported bit encryption since at least version 6. You are looking for the EPM setting in Advanced Internet Options.