Information Sharing
Information Sharing: The structured distribution of security information to people and systems that can act on it. Effectiveness depends on reliable data, defined ownership, measurable criteria, and regular tuning.
How it works and where it fits
Information Sharing structures knowledge about potential adversaries, their objectives, capabilities, infrastructure, and observed behavior. Individual indicators are short-lived and easy to change, while behavioral patterns and technical relationships often have greater analytical value. Reporting should distinguish observed facts, assessments, and assumptions.
Practical security relevance
Practical use depends on source quality, timeliness, and relevance to the organization’s own attack surface. Information is prioritized, correlated with internal data, and converted into searches, detections, or safeguards. Investigation feedback continuously improves the assessment. Confidentiality and permitted sharing are as important as technical exchange formats.
Related concepts
- Cyber Threat IntelligenceCyber Threat IntelligenceProcessed information regarding threat actors, tactics, indicators, and risks.: Processed information regarding threat actors, tactics, indicators, and risks.
- Threat Intelligence PlatformThreat Intelligence PlatformCollects, normalizes, and distributes threat intelligence and indicators.: Collects, normalizes, and distributes threat intelligence and indicators.
- Communication PlanCommunication PlanA predefined plan for who communicates what, when, and through which channel during security work.: A predefined plan for who communicates what, when, and through which channel during security work.
- Data ClassificationData ClassificationAssigns data to protection classes based on sensitivity, value, and regulatory requirements.: Assigns data to protection classes based on sensitivity, value, and regulatory requirements.