[Verse 1] Data streams flow through digital gates Input controls stand guard at the entrance Field validation checks each character's fate Dropdown menus ensure proper acceptance Range limits catch the numbers gone astray Authorization codes unlock the doorway [Chorus] I-P-O, that's how controls align Input, Process, Output every time Check completeness, check accuracy too Automated guards and manual review I-P-O keeps integrity in line Input, Process, Output by design [Verse 2] Processing engines spin with hidden logic Edit checks verify each calculation Sequence numbers prevent gaps so tragic Batch totals confirm accumulation Exception reports flag suspicious trends While audit trails show where each record ends [Chorus] I-P-O, that's how controls align Input, Process, Output every time Check completeness, check accuracy too Automated guards and manual review I-P-O keeps integrity in line Input, Process, Output by design [Bridge] Output distribution needs careful eyes Who receives which reports and when Digital signatures prevent disguise Authorization matrices govern again Hash totals verify transmission's clean Error logs reveal what went unseen [Verse 3] Application boundaries must be defined Segregation keeps the duties apart Manual overrides leave digital signed Controls matrix maps each counterpart Testing cycles prove the safeguards work Configuration changes need oversight's quirk [Chorus] I-P-O, that's how controls align Input, Process, Output every time Check completeness, check accuracy too Automated guards and manual review I-P-O keeps integrity in line Input, Process, Output by design [Outro] Three control layers guard your enterprise Input, processing, output synchronized
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