Completely Automated Public Turing test to tell Computers and Humans Apart
E1019450
Completely Automated Public Turing test to tell Computers and Humans Apart is a type of challenge–response test used on websites to distinguish human users from automated bots.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
challenge–response test
ⓘ
reverse Turing test ⓘ web security mechanism ⓘ |
| abbreviation | CAPTCHA NERFINISHED ⓘ |
| basedOn | problems that are easy for humans but hard for computers ⓘ |
| challengeMedium |
audio
ⓘ
image ⓘ interactive widget ⓘ text ⓘ |
| counteredBy |
machine learning-based image recognition
ⓘ
optical character recognition ⓘ |
| criticizedFor |
accessibility issues for visually impaired users
ⓘ
being breakable by advanced machine learning ⓘ usability problems ⓘ |
| designedBy |
John Langford
NERFINISHED
ⓘ
Luis von Ahn NERFINISHED ⓘ Manuel Blum NERFINISHED ⓘ Nicholas J. Hopper NERFINISHED ⓘ |
| developedAt | Carnegie Mellon University NERFINISHED ⓘ |
| evolvedInto |
invisible CAPTCHA systems
ⓘ
risk-based CAPTCHA systems ⓘ |
| example |
click a checkbox labeled "I am not a robot"
ⓘ
distorted text recognition test ⓘ select all images containing a specific object ⓘ |
| hasProperty |
automated evaluation
ⓘ
designed to be difficult for bots ⓘ designed to be solvable by humans ⓘ machine-graded ⓘ publicly accessible ⓘ |
| hasType |
audio CAPTCHA
ⓘ
behavioral CAPTCHA NERFINISHED ⓘ checkbox CAPTCHA ⓘ game-based CAPTCHA ⓘ image-based CAPTCHA ⓘ math CAPTCHA ⓘ slider CAPTCHA ⓘ text-based CAPTCHA NERFINISHED ⓘ |
| introducedIn | early 2000s ⓘ |
| purpose | distinguish human users from automated bots ⓘ |
| relatedTo | Turing test NERFINISHED ⓘ |
| securityRole |
access control
ⓘ
bot mitigation ⓘ fraud prevention ⓘ |
| usedFor |
prevent automated abuse of online services
ⓘ
prevent automated account creation ⓘ prevent credential stuffing attacks ⓘ prevent spam ⓘ rate limiting automated requests ⓘ |
| usedOn | websites ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.