Open banking and fraud
What is Know Your Customer?
Acronym: KYC
Quick definition: Know Your Customer is the identity and due diligence process firms use to understand who a customer is and manage financial crime risk.
At a glance
- KYC is often linked to customer due diligence checks.
- It can include identity, address, ownership and purpose checks.
- Banks may ask for updated information during the relationship.
- The aim is to reduce fraud, money laundering and other financial crime risks.
Explain it simply
Know Your Customer, often shortened to KYC, is the process a bank or financial firm uses to check who a customer is. You may see it when opening an account, applying for a product or updating details. The firm may ask for identity documents, proof of address or information about how the account will be used. These checks can feel inconvenient, but they help prevent accounts being used for fraud or money laundering.
Student explanation
KYC is a practical part of anti-money laundering and financial crime control. It overlaps with customer due diligence, which can include identifying the customer, understanding beneficial ownership for businesses and checking whether activity makes sense for the relationship. Students should note that KYC is not only a one-off onboarding step. Firms may refresh information and monitor activity throughout the customer relationship.
Professional explanation
Know Your Customer describes the policies and controls used to identify and verify customers, assess relationship purpose, understand risk and maintain due diligence records. In regulated financial services it interacts with anti-money laundering obligations, sanctions screening, politically exposed person checks, beneficial ownership, ongoing monitoring and suspicious activity escalation. Good KYC design balances financial crime prevention, inclusion, data minimisation and customer experience. Poor controls can create regulatory, operational and fraud risk.
UK example
A bank asks a new business customer for director details, proof of identity and information about expected account activity before opening the account.
Why it matters
KYC affects how quickly customers can open accounts and how firms prevent misuse of the financial system.
Common misunderstanding
KYC is not just a formality at account opening; firms may need to update checks as risk or customer circumstances change.