- Parallax
- PDA
- PDCA cycle
- Peer to Peer
- Personal information leak
- Phase-contrast X-ray imaging
- Phishing
- PKI (Public Key Infrastructure)
- Policy base
- POS system
- Power electronics devices
- Privacy protection
- Private cloud
- Private key
- PRML
- Proactive
- Production management
- Program slicing
- Proton beam therapy
- Provisioning
- Public infrastructure
- Public key
- Public key cryptosystem
- Public Key Infrastructure
>> See: " PKI "