UPDATE! -- First release is ready I am currently working on a WI mod that would allow Dual Factor Authentication for Citrix Web Interface 5.4 based on Google Authenticator Soft token. Ther [...]

-- Reposting my 8 years old PHP script, as this is now working on all modern browsers -- - I admit that the code is not ideal -     Usually "captcha" scripts st [...]

This project is actually about 3 years old, and I havent really reviewed the code very carefully. However, I thought it might be useful , so I decided to publish the source code on Google code. [...]

Two-factor authentication (also known as 2-step verification) relies on something you know (like a password) and something you have (like a cell phone). Crackers have a harder time getting into you [...]

A CAPTCHA is a type of challenge-response test used in computing as an attempt to ensure that the response is generated by a person Automated requests can easily use a brute force attack on a com [...]

[UPDATE] - MOTP-AS website is not available, the project appears to be dead. I can create and support a similar system (with Motp and Totp support), but not sure if it is indeed needed. Express your o [...]