The AOK 2-Factor App enables 2-factor authentication for the AOK business partner portals. Once set up, a six-digit code is generated in the app every time you log into an AOK business partner portal, which must be entered in a second step after entering the password. DIGITAL ACCESSIBILITY: As a health insurance fund, we are continuously improving access to our mobile applications in order to provide all users with a better user experience. You can find the accessibility declaration at https://www.aok.de/pk/uni/content/barrierefreiheit-apps/ If you still notice a barrier, you can report it here: https://www.aok.de/mk/uni/aok-2-faktor-barrierefrei