Contact us

0844 481 5887
8:30am - 5pm Monday - Friday

If you would like further information on any of the terms in our glossary or to request a call back with one of our experts, please click on the image below:

Contact an Experian expert

Security Code

Encrypted numeric value contained in the data on the magnetic stripe, which can be checked to ensure that the information has not been altered in any way. This is also referred to as CVV (cardholder verification value) and is a 3 or 4 digit number printed on the signature strip or a 4-digit number printed on the front of a card.

  • © 2015 Experian. All rights reserved