WAKEFIELD, Mass., 07 June 2013 — Today the PCI Security Standards Council (PCI SSC), an open, global forum for the development of payment card security standards published version 4.0 of the PIN Transaction Security (PTS) Point of Interaction (POI) requirements. These requirements, along with the Hardware Security Module (HSM) requirements provide standards for device manufacturers to ensure merchants and others have secure devices for accepting and processing payment cards.