eSS performs a variety of Information Technology (IT) audits for Banks, Credit Unions, Point of Sale operations, Merchants, Processors, Encryption Service organizations (ESOs), Independent Service Organizations (ISOs), Key Loading/Injection Facilities, Credit Card services and so on, as follows:

• TG-3 (recently renamed as TR-39) audit of ATM operations in banks and credit unions,
  per requirementsby Star, NYCE and Pulse EFT networks of all their members.
  
  
• TG-3/TR-39 audit of debit POS transactions for Merchants per requirements by
  Star, NYCE and Pulse EFT networks.
  
  
• Subsections of TG-3/TR-39 audit that apply to ISO, ESO and KLD facilities, as
  required by the members of EFT networks.
  
  
• PCI PIN Security Audits (aka Visa and MasterCard’s PIN Security audits) of PIN
  debit transactions for financial institutions, merchants, vendors, and processors.
  
  
• General enterprise data security audits per ISO 27001
  (formerly known as BS 7799) audit guideline.
  
  
• ACH audit of all financial institutions who are either RDFI
  or OFDI or both, per NACHA’s guidelines.
  
  
• Sas70 audits for third party service providers are done by eSS
  and partner firms: Secure State LLP and FTI consulting.