Quick answer
A Security Operations Centre (SOC) protects against cyber threats by detecting and responding to attacks, while a Network Operations Centre (NOC) keeps systems available and performing well. Both monitor 24x7, but a SOC asks 'are we under attack?' and a NOC asks 'is everything running?'. Combining them improves visibility and speeds up root-cause analysis.
What is a Security Operations Centre (SOC)?
A SOC is a team, supported by technology and processes, that continuously monitors an organisation's environment for cyber threats. SOC analysts investigate alerts, hunt for hidden attackers, contain incidents and coordinate response.
The SOC's job is to protect the confidentiality, integrity and availability of data from malicious activity, whether that is ransomware, account takeover or an insider stealing data.
What is a Network Operations Centre (NOC)?
A NOC monitors the health and performance of networks, servers, applications and devices. NOC engineers respond to outages, high latency, failed hardware, full disks and bandwidth issues, and manage changes and patches.
The NOC's job is to keep services up and meet service level agreements for users and customers.
What is the difference between a SOC and a NOC?
The clearest way to see the difference is side by side.
| Aspect | SOC | NOC |
|---|---|---|
| Primary goal | Detect and stop cyber threats | Maintain uptime and performance |
| Key question | Are we under attack? | Is everything running? |
| Main tools | SIEM, SOAR, EDR, threat intelligence | Network monitoring, APM, ticketing |
| Typical alerts | Suspicious login, malware, data exfiltration | Link down, high CPU, disk full |
| Key metrics | Mean time to detect and respond | Uptime, SLA compliance |
| Team skills | Security analysts, threat hunters, forensics | Network and systems engineers |
What does a SOC team do day to day?
SOC work is usually organised in tiers, with escalation from initial triage to deep investigation.
- Tier 1: triage alerts and filter false positives
- Tier 2: investigate incidents and contain threats
- Tier 3: threat hunting and advanced forensics
- Tune detection rules and use cases
- Produce compliance and incident reports
- Feed lessons learned back into controls
Why should SOC and NOC work together?
Many security incidents first appear as operational problems. A sudden spike in outbound traffic could be a backup job or data exfiltration. Servers slowing down could be a failing disk or a cryptominer. When the SOC and NOC share data and communicate, these questions are answered in minutes rather than hours.
Integration also avoids duplicate tools and conflicting changes, for example the NOC applying a firewall rule that unintentionally blinds SOC monitoring.
| Benefit | Result |
|---|---|
| Shared visibility | Faster root-cause analysis |
| Unified ticketing | Clear ownership of incidents |
| Coordinated changes | Fewer outages and blind spots |
| Combined tooling | Lower total cost |
Should you build in-house or use a managed service?
A 24x7 in-house SOC needs at least eight to ten trained analysts to cover shifts, leave and attrition, plus SIEM licences and threat intelligence. For most mid-size organisations this is expensive and hard to staff.
SOC-as-a-Service and managed NOC services provide round-the-clock coverage, mature processes and experienced staff at a predictable monthly cost, while you keep control of decisions.
How KCyber Experts delivers SOC and NOC services
KCyber Experts offers SOC-as-a-Service and NOC monitoring as standalone or integrated services. Our analysts monitor your environment 24x7, investigate threats, coordinate with your IT team and support compliance with RBI, SEBI, CERT-In and ISO 27001 requirements.
Which SOC and NOC metrics should leadership track?
Clear metrics show whether your monitoring is working and help justify investment. Report them monthly to IT leadership and quarterly to the board.
| Metric | Team | What it tells you |
|---|---|---|
| Mean time to detect (MTTD) | SOC | How quickly threats are spotted |
| Mean time to respond (MTTR) | SOC | How quickly threats are contained |
| False positive rate | SOC | Quality of detection rules |
| Uptime percentage | NOC | Service availability |
| Mean time to repair | NOC | How quickly outages are fixed |
| SLA compliance | NOC | Whether commitments are met |
Frequently asked questions
Can a small business afford a SOC?
Yes. SOC-as-a-Service provides 24x7 monitoring for a fraction of the cost of an in-house team.
Does RBI require a SOC?
RBI expects banks and larger NBFCs to have continuous security monitoring, and outsourced SOC services are acceptable.
Can one team run both SOC and NOC?
Smaller organisations sometimes combine them, but security analysis and network operations need different skills, so separate roles with shared tools work best.
What is a SIEM?
A Security Information and Event Management system collects and correlates logs from across your environment to detect threats.
What is MTTD and MTTR?
Mean time to detect and mean time to respond measure how quickly the SOC identifies and contains incidents.
What is SOAR?
Security Orchestration, Automation and Response tools automate repetitive SOC tasks such as enriching alerts, blocking IP addresses and opening tickets.
How long does it take to onboard a managed SOC?
A typical onboarding takes two to six weeks, covering log source integration, use case tuning, escalation contacts and runbooks before full 24x7 monitoring begins.
What logs should be sent to a SOC?
Start with firewalls, VPN, identity provider, email, endpoints through EDR, critical servers and cloud audit logs, then add application and database logs.
Does a NOC handle security patching?
Often yes. The NOC usually applies patches and changes, while the SOC identifies which vulnerabilities are most urgent based on threat activity.