# What is Security Operations (SecOps)?

> Security operations (SecOps) is the ongoing organizational function and set of practices used to monitor security-relevant activity, operate defensive controls, detect and investigate threats, coordinate response, and improve protections from operational evidence.

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## Content

It brings together people, processes, authority, data, and technology. SecOps is not a single product, and its boundaries vary with the organization’s mandate and operating model.

Responsibilities may be centralized or distributed across monitoring, detection engineering, threat hunting, incident response, vulnerability handling, identity, cloud, endpoint, and network teams. A clear service catalog and operating model should define which activities SecOps owns, which it coordinates, and how decisions move to business, legal, privacy, safety, and technology stakeholders.

### Key points

- **Operating mandate:** Define constituents, services, coverage hours, decision rights, escalation paths, handoffs, evidence handling, communications, and authority for containment or control changes.
- **Core workflow:** Collect trustworthy telemetry, detect and triage events, investigate context, coordinate proportionate action, recover safely, document outcomes, and feed lessons into controls and engineering.
- **Capability management:** Maintain data sources, detections, playbooks, tools, skills, supplier relationships, exercises, quality checks, and outcome-based measures rather than optimizing only alert throughput.
- **Important limitation:** A collection of security tools, a queue of alerts, or nominal continuous coverage does not by itself create effective SecOps. Missing visibility, unclear ownership, unsafe automation, poor handoffs, or incentives based on volume can leave serious risk untreated.

### Related terms

[Security operations center (SOC)](<https://yellowcube.eu/glossary/security-operations-center/>) · [Incident response (IR)](<https://yellowcube.eu/glossary/incident-response/>) · [Security information and event management (SIEM)](<https://yellowcube.eu/glossary/security-information-and-event-management/>) · [Threat hunting](<https://yellowcube.eu/glossary/threat-hunting/>) · [Detection engineering](<https://yellowcube.eu/glossary/detection-engineering/>) · [Artificial intelligence for IT operations (AIOps)](<https://yellowcube.eu/glossary/artificial-intelligence-for-it-operations/>) · [Machine learning security operations (MLSecOps)](<https://yellowcube.eu/glossary/machine-learning-security-operations/>)

### Sources

[NIST Cybersecurity Framework 2.0](https://www.nist.gov/cyberframework) · [NIST SP 800-61 Rev. 3: Incident Response Recommendations](https://csrc.nist.gov/pubs/sp/800/61/r3/final) · [NIST glossary: Security Operations Center](https://csrc.nist.gov/glossary/term/Security_Operations_Center)

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