Glossary
Searchable terminology from accessibility, web standards, and related fields.
5 results found in authentication.
- Audio CAPTCHA (Audio HIP, Audio Human Interaction Proof)
- An auditory alternative to visual CAPTCHAs, typically presenting distorted spoken letters, numbers, or words that users must transcribe. While intended as an accessible alternative for blind users, re…
- Graphical Authentication (Graphical Password, Picture Password)
- An authentication method that uses images, patterns, or visual elements instead of text-based passwords. Graphical authentication leverages human visual memory, which is generally stronger than verbal…
- Graphical Password (Picture Password, Visual Password)
- An authentication method that uses images instead of text, requiring users to either recognize previously selected images (recognition-based) or recall specific points on an image (recall-based). Grap…
- Human Interaction Proof (HIP, Human Interactive Proof)
- A challenge-response test designed to distinguish human users from automated software (bots). Human Interaction Proofs are the technical term for CAPTCHAs and similar verification systems. While effec…
- Recognition-Based Authentication (Cognometric Authentication)
- A type of graphical authentication where users authenticate by recognizing and selecting previously registered images from a set that includes decoy images. Unlike recall-based systems that require us…