Month: November 2025

Visa's AIS program no longer includes level 4 for merchants

Visa's Account Information Security (AIS) program has undergone major changes, modifying merchant classification criteria to report compliance with the PCI DSS standard. This program defines the applicable requirements based on the...

/ November 27, 2025

Guide to understanding the types of tokens and their use

One of the key controls of the PCI DSS v4.0 standard is requirement 3.5. It lists a number of techniques for protecting the PAN (Primary Account Number) when it should be stored, if there is any business justification.  The...

/ November 20, 2025