Parental controls for entertainment content

Password methods and systems for use on a mobile device

Plug and play device and access control method therefor

Portable information processing device having data...

Portable information terminal, and electronic information...

Portable recordable media anti-theft system

Pre-boot protected memory channel

Preventing a copy of a protected window

Preventing fraudulent internet account access

Prevention of disk piracy

Privacy policy change notification

Privacy preserving data-mining protocol

Privileged access to encrypted data

Privileged execution context restricting use of hardware...

Process verification

Process verification

Processing copy protection signals

Processor mode for limiting the operation of guest software...

Program substitution

Proprietary portable audio player system for protecting...