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ATM Network Security TR-39 Audits
Wednesday, March 19, 2014 6:50 AM

Billions of PIN activated transactions are switched through ATM networks each year, and each of these transactions is originated using a card and Personal Identification Number. With each transaction, the security of the member’s PIN must rely on the security procedures and controls of the various processing entities and the use of certified devices. The most common standard used to evaluate organizations is the Technical Guide TR-39.

A TR-39 audit validates that policies and procedures surrounding PIN encryption and key management are compliant with Visa PIN and/or TR-39 standards. During the audit, noncompliant areas will be identified so corrective actions can be taken to correct issues. In the end, this helps to safeguard debit and ATM PINs that pass through the system to protect your members’ finances and privacy. Finally, failing an audit could impact the credit union’s ability to process debit card transactions and may incur fines.

All financial institutions that own, operate or sponsor ATMs on the PULSE®, STAR®, NYCE®, CO-OP®, Accel/Exchange®, and VISA® Plus® MasterCard® Maestro® networks have certain requirements to complete a TR-39 audit bi-annually - every even numbered year by Dec.31.

Credit Union Resources has Certified Technical Guideline Auditors (CTGA) who are authorized to perform TR-39 PIN Security Audits. Credit unions interested in learning more should visit Credit Union Resources’ website. If you have any questions, including pricing, please contact Deana Brown, at (469) 385-6464, or e-mail dbrown@curesources.coop.