ShareKYC Blog

Guides on KYC, identity and data protection

Plain-English articles on verifying identity, meeting anti-money-laundering duties and sharing sensitive documents without losing control.

How-to guides

How to Push Back on Insecure KYC Requests

Ready-to-use scripts for when someone asks you to email your ID. Offer a secure link instead, set the terms, and know when and how to escalate.

6 min read
Industries

When the Notary Asks for Your ID

Identification at a Beurkundung: why in-person presentation beats a copy in an inbox, what the notary's GwG duties actually require, and how to keep data minimal.

7 min read
How-to guides

How to Watermark ID Documents the Right Way

Bind every ID copy to a purpose, date, and recipient. Visible vs. invisible forensic watermarks, what each protects against, and what a watermark cannot do.

6 min read
Comparisons

Email Encryption vs. Secure Link for Documents

S/MIME and PGP friction versus a controlled share link with expiry, revocation, and audit. A head-to-head comparison and a reasoned recommendation for sensitive files.

7 min read
Compliance & AML

The GDPR Rights That Actually Apply to KYC

Which GDPR rights bite in a KYC context: access under Art. 15, the erasure-vs-AML-retention conflict under Art. 17, and objection — plus how to exercise each in practice.

7 min read
Compliance & AML

Retention and Deletion of KYC Copies: What the Other Side May Do

The GwG retention duty versus the GDPR right to deletion: how long a recipient may keep your ID copy, when they must delete it, and how to demand it cleanly.

7 min read
Industries

The Founder's KYC Marathon: How to Cut It Short

Serial founders repeat UBO checks, Firmenbuch extracts and bank-PSP-notary onboarding endlessly. How to streamline the KYC marathon across multiple companies.

7 min read
Data protection & security

Share Your ID Without Losing Control

The five levers that keep you in control when you share ID or KYC data: expiry, access limits, downloads off, instant revocation, and watermarking.

6 min read
Data protection & security

Redacting ID Copies: What You Can Black Out

Which ID fields you may redact, how the diagonal Sperrvermerk note works, and when a full unredacted copy is legally required versus merely requested.

6 min read
Data protection & security

Revoking Access After You've Shared — Impossible With Email

Why an emailed ID copy can never be recalled, what real revocation actually means, and how expiring, revocable links with an audit log give you a working undo.

7 min read
Industries

Buying Property: Three Parties, One ID

Agent, notary, and bank each run their own KYC on the same purchase. How to satisfy all three from one verified profile with controlled, scoped shares.

6 min read
How-to guides

A Secure ID-Upload Workflow for Freelancers

Stop emailing your passport to every new client. A concrete, step-by-step ID-upload workflow for freelancers: one verified profile, controlled shares, full audit trail.

7 min read
Data protection & security

Identity Theft From an ID Copy: Real Risks

A practical threat model for what an attacker can and can't do with a static ID copy versus the physical document or eID, plus the protections that move the needle.

7 min read
How-to guides

KYC Hygiene: An Annual Routine for Scattered IDs

A concrete yearly KYC hygiene routine: inventory every ID copy you've shared, request deletions, rotate documents, and revoke stale shares before they leak.

6 min read
Data protection & security

What Banks Are Actually Allowed to Require for KYC

Where GwG due-diligence duties end and GDPR data minimisation begins: spotting over-collection in KYC and how to push back without derailing onboarding.

5 min read
How-to guides

How Often Must You Re-Verify? Cutting Re-KYC Busywork

Re-KYC frequency explained: the periodic-review triggers banks use, document validity windows, and how reusing verified data removes most repeat verifications.

7 min read
Data protection & security

Your ID Data Leaked: Immediate Steps and Damage Control

A concrete first-48-hours response when your ID copy leaks: block hotlines, fraud monitoring, and a clear-eyed read on what an attacker can and cannot do with a copy.

7 min read
How-to guides

Keep Track of Where Your KYC Data Went

Build a personal KYC register: the exact columns to track who holds your ID data, when, via which channel, and when to trigger revocation and deletion.

7 min read
Data protection & security

Data Minimization: Which Fields a Bank Actually Needs

A field-by-field walkthrough of KYC data minimization: which identity attributes a bank can demand, which you can withhold, and the legal basis for each.

7 min read