How do I login to my online account? You should login at my.oakbrook.com with the same email address and password that you used when you set up your account. If you have forgotten your password then you can reset this online. Related articles How do I save my online account as an app to my phone? Can I manage my account online? What is the new version of my online account? Why have I been offered a chance to top up my loan? What does my current balance mean?