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Identity verification glossary

Plain-language explanations of the terms used in KYC, identity verification, fraud prevention and data protection, with what they mean in Switzerland and the EU.

A

Address verification
Confirming that an address exists and that it belongs to the person who gave it.
Age verification
Confirming that a person meets a minimum age before they access a product or service.
AML (anti-money laundering)
The laws and controls that stop criminals from passing illegal money through legitimate businesses.
AMLR (EU Anti-Money Laundering Regulation)
The EU regulation that sets one anti-money-laundering rulebook across all member states.
Authentication
Confirming that a returning user is the same person who set up the account.
Automated identification (Auto-Ident)
Remote identity verification that runs fully automatically, without a person on a video call.

B

Biometric document
A passport or ID card with a chip that stores the holder's data and photo, signed by the issuing country.
Biometrics
Measuring physical or behavioural traits, like a face or fingerprint, to recognise a person.

C

Customer due diligence (CDD)
The checks a regulated business runs to identify a customer and assess their risk.

D

Data minimisation
Collecting and keeping only the personal data that is actually needed.
Data residency
Where personal data is physically stored and processed.
Deepfake
AI-generated or altered video, audio or images that imitate a real person.
Device fingerprinting
Recognising a device from its technical characteristics, without relying on cookies.
Digital identity
The set of verified information that represents a person online.
Digital onboarding
Signing up new customers fully online, including any identity checks.
Document verification
Checking that an identity document is genuine, valid and unaltered.

E

eIDAS 2.0 and the EU Digital Identity Wallet
The EU framework for electronic identification, including a digital identity wallet for every citizen.

F

Face matching
Comparing a selfie with the photo on an ID document to confirm they show the same person.

G

GDPR
The EU General Data Protection Regulation, which governs how personal data is processed.

I

Identity fraud
Using someone else's identity, or a fake one, to get something you're not entitled to.
Identity theft
Stealing someone's personal information so it can be used to impersonate them.
Identity verification
Confirming that a person is who they claim to be, usually with an ID document and a live selfie.
Injection attack
Feeding a fake image or video directly into a verification flow, bypassing the camera.

J

JSFVG (Swiss Youth Protection Act for films and video games)
The Swiss law that requires age ratings and age checks for films and video games.

K

KYB (Know Your Business)
Verifying business customers: who they are, who owns them and who acts for them.
KYC (Know Your Customer)
The process of identifying and verifying customers before and during a business relationship.

L

Liveness detection
Checking that a selfie comes from a real person who is present, not a photo, video or mask.

M

MiCA (Markets in Crypto-Assets Regulation)
The EU regulation that sets common rules for crypto-asset issuers and service providers.
MRZ (machine-readable zone)
The lines of characters at the bottom of a passport or ID card that machines can read.
Multi-factor authentication (MFA)
Logging in with two or more independent factors, such as a password and a phone.

N

nFADP (Swiss Data Protection Act)
Switzerland's revised Federal Act on Data Protection, in force since 1 September 2023.
NFC verification
Reading the chip in a passport or ID card with a phone to confirm the document is genuine.

P

Presentation attack
An attempt to fool a camera-based check with a photo, screen, mask or other fake.

S

Self-declaration
Information a person provides about themselves without it being checked.
Smurfing
Splitting large sums into many small transactions to avoid reporting thresholds.
Swiss e-ID and swiyu
Switzerland's state-issued electronic identity, held in the federal swiyu wallet app.
Synthetic identity fraud
Fraud using an identity built from a mix of real and invented details.

V

Video identification
Remote identity verification where a trained agent checks the person and document on a live video call.

Z

ZertES (Swiss Electronic Signatures Act)
The Swiss law that governs electronic signatures, seals and the providers that issue them.