Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Privacy Enhancing Technology(also: PET, PETs)
- A category of tools, protocols, and practices designed to protect user privacy while using digital systems, including anonymising proxies, tracker blockers, end-to-end encryption, differential privacy, and private browsing modes. PETs increasingly intersect with accessibility…
- Privacy Threat Model(also: Privacy Threat Analysis, Privacy Risk Assessment)
- A systematic process for identifying, classifying, and evaluating potential privacy risks that a technology system may pose to its users. Privacy threat modeling extends security-focused frameworks (like Microsoft's STRIDE) to address privacy-specific concerns. The LINDDUN…
- Prompt Injection(also: Indirect Prompt Injection, Prompt Engineering Attack)
- A technique — originally an LLM security concern — in which carefully crafted instructions embedded in a user prompt or referenced content override the model's intended behaviour, constraints, or safety rules. In accessibility research and practice, the term is increasingly used…
- Pseudonymization(also: Pseudonymisation, De-identification)
- A privacy technique in which personally identifying fields are replaced with artificial identifiers — typically hashes, tokens, or randomly assigned IDs — so that the data can no longer be attributed to a specific person without additional information kept separately. Recognised…
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