A Security Operations Centre (SOC) is a team and facility responsible for continuously monitoring, detecting and responding to cyber security threats across an organisation's systems. Large enterprises sometimes build their own in-house SOC, but most UK SMEs access SOC capability through a managed service provider or specialist security partner, since round-the-clock monitoring is rarely practical to staff internally.
How a Security Operations Centre works
A SOC aggregates security data from across a business's devices, network and cloud services, including Microsoft 365, into a central monitoring platform. Analysts watch for alerts and unusual activity, investigate anything suspicious, and escalate or directly respond to confirmed threats. A well-run SOC also analyses patterns over time, improving detection accuracy and identifying gaps in a business's wider security posture.
Security Operations Centre in practice
- A growing SME accesses SOC capability through its managed IT provider, gaining round-the-clock security monitoring without building an in-house team.
- A SOC team identifies a pattern of failed login attempts across several user accounts overnight, correctly identifying a coordinated password-guessing attack and blocking it before any account is compromised.
- A business combines SOC monitoring with endpoint detection and response technology, giving analysts deeper visibility into activity on individual devices.
- A regulated business cites access to SOC-level monitoring as part of demonstrating its cyber security maturity to clients and auditors.
How Advantage provides SOC capability
Advantage gives UK SMEs access to Security Operations Centre capability as part of its managed cyber security services, providing continuous monitoring and threat response without the cost of building this function in-house. Find out more about our cyber security services.
Frequently asked questions
Do small businesses need their own Security Operations Centre?
Building and staffing an in-house SOC is rarely cost-effective for SMEs, since it requires round-the-clock specialist staff and significant technology investment. Most SMEs instead access SOC capability through a managed service provider or MDR provider, gaining the same monitoring benefit without the overhead of running it themselves.
What is the difference between a SOC and MDR?
A Security Operations Centre describes the team and facility that monitors and responds to security events, often staffed around the clock. Managed Detection and Response is a specific service model, frequently delivered through a SOC, that combines monitoring technology with active human-led investigation and response.
What does a SOC analyst actually do day to day?
A SOC analyst monitors security alerts generated across a business's systems, investigates anything suspicious to determine whether it represents a genuine threat, and takes or recommends action to contain confirmed incidents. They also tune detection systems over time to reduce false positives and improve accuracy.
