[Verse 1] When the customer swipes their card today Hardware talks in a protocol way Serial ports and USB streams Carrying data through digital dreams EMV chips and magnetic stripes Each one needs different communication types Parse the messages, frame by frame Terminal integration is the name of the game [Chorus] Connect, Encrypt, Validate, Send Payment flows from start to end PCI compliance keeps it tight Terminal security done right Connect, Encrypt, Validate, Send On these four pillars we depend [Verse 2] TLS wraps each transaction call End to end encryption protects it all Tokenization hides the real card number Replace sensitive data, that's much safer PIN blocks encrypted with triple DES Key management puts security to the test Never store the PAN in plain text files That's a breach waiting in the digital aisles [Chorus] Connect, Encrypt, Validate, Send Payment flows from start to end PCI compliance keeps it tight Terminal security done right Connect, Encrypt, Validate, Send On these four pillars we depend [Bridge] ISO eight five eight three frames the message structure Length and data wrapped secure Terminal ID and merchant code Every field follows the protocol load Response codes tell the story true Approved, declined, or something's not right through [Verse 3] Certificate chains verify each device Public key infrastructure rolls the dice Hardware security modules guard the keys Tamper detection brings attackers to their knees Transaction logs for audit trails Compliance checking never fails From swipe to settlement, track every step Payment terminal security systems well-kept [Chorus] Connect, Encrypt, Validate, Send Payment flows from start to end PCI compliance keeps it tight Terminal security done right Connect, Encrypt, Validate, Send On these four pillars we depend [Outro] When the receipt prints out at last Secure transaction protocols have passed Terminal integration engineering art Makes payments safe from the very start
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