Detecting and breaking captcha
US9223997B2 Patents
A security device may receive a request from a client device and intended for a server device. The security device may identify the request as being associated with a malicious activity. The malicious activity may include one or more undesirable tasks directed to the server device. The security device may generate a challenge-response test based on iden tifying the request as being associated with the malicious activity. The challenge-response test may be generated using
16 claims. 76,561 characters of text.