P
PATRIOT Act - Providing Appropriate Tools Required to Intercept and Obstruct Terrorism Act of 2001 (USA PATRIOT Act)
PCI DSS - Payment Card Industry - Data Security Standard (industry standard set by member companies)
PDD - Presidential Decision Directive (Executive Branch order/instruction)
PIA - privacy impact assessment (E-Government Act requirement for information technology decisions imposed on federal agencies)
PII - personally identifiable information (federal privacy-related classification/protection standard)
PIPEDA - Personal Information Protection and Electronic Documents Act (Canadian law)
PPD - Presidential Policy Directive (Executive Branch guidance/interpretation)
PRA - Paperwork Reduction Act
PRO-IP Act - Prioritizing Resources and Organization for Intellectual Property Act of 2008
PROTECT Act - Prosecutorial Remedies and Other Tools to End the Exploitation of Children Today Act of 2003 (child pornography - upheld by Supreme Court but of questionable constitutionality)
PSM - process safety management (OSHA safety regulation)
PTO - U.S. Patent and Trademark Office (intellectual property)