Glossary

Privacy terms glossary

Plain-language explanations for encryption, tracking, compliance, and security concepts.

10 terms
Browse by letter: All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
🧱

Hardened Browser

Privacy

Browser configured with defensive privacy/security controls.

browser extension fingerprinting privacy settings
🔑

Hardware Security Key

Authentication

Roaming authenticator implementing FIDO2/WebAuthn over USB/NFC/BLE.

security key webauthn fido2
🧾

Hashing

Encryption

One-way function producing a fixed-size digest.

cryptography password leak brute force attack
🩺

Health Data

Privacy

Data relating to an individual’s physical or mental health, healthcare services, or status; often regulated and high-risk.

personal data sensitive personal data hipaa
🏥

HIPAA

Privacy

US Health Insurance Portability and Accountability Act privacy/security rules for PHI.

biometric data data minimization data breach
🧮

Homomorphic Encryption

Encryption

Cryptographic schemes enabling computation on ciphertexts such that decrypted results match operations on plaintexts.

encryption client side encryption data encryption at rest
🔒

HSM (Hardware Security Module)

Encryption

Tamper-resistant hardware for secure key generation, storage, and cryptographic operations with strict controls and audit.

key management key vault secure enclave
🛡️

HSTS

Web Security

HTTP Strict Transport Security header instructing browsers to enforce HTTPS and reject downgrade.

https tls mixed content
🍪

HttpOnly Cookie

Web Security

Cookie flag preventing client-side scripts from accessing the cookie; mitigates some XSS cookie theft.

cookie xss session cookie
🔒

HTTPS

Networking

HTTP over TLS with certificate-based authentication.

tls ssl secure connection