# Real-Time Observability
**Entity class:** Operational information capability
**Domain:** Distributed systems / security operations / intelligence
**Maturity:** Developed
## Definition
**Real-time observability** is the ability to infer the changing state of a system from current telemetry, events, traces, records, and alerts. In security and intelligence environments, the practical form is near-real-time rather than instantaneous: ingest events, correlate identities and relationships, detect patterns, preserve provenance, and present a common operational picture.
The concept joins event streaming, [[wiki/Complex Event Processing|complex event processing]], temporal graphs, anomaly detection, and human review. Observability is not omniscience. Data arrive late, sensors miss activity, sources disagree, and access controls constrain visibility.
## Relationships
- **graph layer:** [[wiki/Graph Analytics|Graph Analytics]] and [[wiki/Temporal Network|Temporal Network]].
- **input:** [[wiki/Digital Exhaust|Digital Exhaust]] and intelligence disciplines.
- **decision environment:** [[wiki/Counterterrorism Intelligence|Counterterrorism Intelligence]].
- **governance risk:** [[wiki/Dataveillance|Dataveillance]], false positives, and automation bias.
## Sources / Provenance
- [[research/Immigration and Customs Enforcement Pattern Analysis and Information Collection (ICEPIC)|ICEPIC research dossier]]
- [DHS — LEIS Privacy Impact Assessment, 2019](https://www.dhs.gov/sites/default/files/publications/privacy-pia-ice-leiss-july2019_0.pdf)