Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
Search results
- Accessible Authentication(also: WCAG 3.3.7, Accessible Authentication (Minimum))
- A web accessibility requirement introduced in WCAG 2.2 (Success Criterion 3.3.7) that mandates for each step in an authentication process relying on a cognitive function test — such as remembering a password, solving a puzzle, or transcribing distorted text — at least one…
- Audio CAPTCHA(also: 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, research shows audio CAPTCHAs have success rates of only 43-50% for screen reader…
- Aural Eavesdropping(also: Audio Eavesdropping, Auditory Shoulder Surfing)
- A security attack in which an unauthorized person overhears sensitive information such as passwords, PINs, or personal data being spoken aloud. This is a particular concern for people who are blind or have low vision because screen readers announce all on-screen content audibly,…
- Authentication(also: User Authentication, Login)
- The process of verifying a user's identity before granting access to a system, service, or protected content. Common authentication methods include passwords, PINs, biometrics, and security tokens. Authentication presents significant accessibility barriers: people with cognitive…
4 results.