They even posted their Monitor Darkly proof-of-concept code and REcon 0xA presentation on GitHub. By exploiting a hacked monitor, they could manipulate the pixels and add a secure-lock icon by a URL.

Consumer Reports offers a primer on how to choose a computer monitor that's right for you. Ad-free. Influence-free. ... Passwords are 6-20 characters with at least one number and letter.

So your computer is not showing you that your connection is secure, but the monitor is overlaying the SSL lock onto it. We can use the monitor itself to change what you see as in your bank account.