: The software inputs massive lists of leaked username and password pairs stolen from previous third-party data breaches.
An account checker (often called a "combo checker") is a software tool used by malicious actors to test large lists of stolen username-password pairs (combolists) against streaming platforms like HBO Max (now Max). The "top" versions advertised are often automated scripts that can test thousands of credentials per minute to see which ones still work.
HBO (now Max) has implemented several layers of defense to mitigate the effectiveness of automated login attempts and unauthorized sharing. 🛡️ Core Protective Measures hbo account checker top
Here are some popular HBO account checkers:
It's tempting to view this as a problem for big corporations, but the impact directly harms ordinary users. : The software inputs massive lists of leaked
Whenever available, turn on MFA. Even if a hacker successfully checks your password, they cannot access your account without the temporary code sent to your phone or authenticator app.
— The hacker must first assemble a list of username-password pairs. They acquire these from various sources: HBO (now Max) has implemented several layers of
As noted in the Selenium_Account_Checkers documentation, "an IP Address for the service you are checking, as you will be geo-blocked otherwise (i.e. for HBO a US IP is required)". HBO actively blocks VPN endpoints and known proxy IP addresses to prevent unauthorized access.
If you have a paid HBO/Max account, here’s how to prevent it from ending up in a "checker" list:
HBO Max (now simply "Max") has also announced stricter enforcement against password sharing, signaling a broader shift toward more aggressive security measures overall. Warner Bros. Discovery's streaming chief has stated that the company will crack down on unauthorized account access "in a much more aggressive fashion," with a particular focus on password sharing, which creates additional hurdles for credential stuffing operations.
For penetration testers, security researchers, and IT professionals who need to test account security legitimately, there are ethical alternatives: