O - P

Glossary: O - P


Open-source intelligence is a method for collecting and analyzing information from publicly accessible sources for use in intelligence. This refers to data acquired through purely public sources rather than classified or covert sources.

OSINT differs from research in that it applies intel processes to create knowledge supportive of a specific goal.

OSI Model

The OSI model stands for Open Systems Interconnection Model, is the framework for how networked devices send, receive, and interpret data. The model consists of 7 layers. Review this section for more on the OSI Model