We have developed a search engine (simple search, no login required) where users can search details in the database (Apache Lucene) by entering their name (et. al.), then clicking the search button. ...
Most of the sites will empty the password field when you fail the CAPTCHA, and often they reset all the fields as well. Is there any security benefit on doing this?
Hello information security stack exchange! I made a captcha application in PHP. It's certainly not a great idea to do so, but I was bored and I wanted to learn about Bézier curves and Bresenham line ...
In what case we should implement Captcha based security?. How accurate it is and if there exists any alternatives for Captcha based Security.
Scenario: I'm working on a project that needs to accept large amounts of data (customer data) from its users. So it can be normal to have a user trying to add 10,000 or 100,000 records at a time. In ...
This seems like an easy question, but I've failed to find an answer. One of the uses of CAPTCHA is to cope mitigate Denial of Service attacks. Suppose an adversary performs excessive login attempts, ...
QCaptcha is an alternative way to protect a website from bots. It required a drag and drop action like this: Question How reliable is this implementation when compared to others mentioned on ...
One defense that developers use to protect against a CSRF attack is to implement a CAPTCHA in critical steps. A CAPTCHA ensures that a human is at the keyboard approving the activity. But I've ...