What a Security Operations Center actually does, how in-house, co-managed, and SOC-as-a-Service models compare on cost, and how to tell whether your business needs one.
A Security Operations Center (SOC) is the team and technology responsible for monitoring your systems around the clock, detecting threats, and responding before an incident becomes a breach. Most small and mid-sized businesses don't need to build one in-house — a managed SOC or SOC-as-a-Service (SOCaaS) delivers the same continuous monitoring and response capability for a fraction of the cost, and is worth it if you lack 24/7 in-house coverage today.
If firewalls and antivirus block known threats, what catches the ones that get past them? That's the gap a SOC exists to close — and it's a bigger gap than most growing businesses realize.
A Security Operations Center is the function — people, processes, and technology — responsible for continuously watching your environment, detecting suspicious activity, and responding to incidents before they escalate. A SOC typically covers a few core operational functions: continuous monitoring across endpoints, networks, and cloud environments; threat detection using SIEM and behavioral analysis; structured incident response playbooks for containing, eradicating, and recovering from active threats; and ongoing threat hunting to look for adversaries that have already slipped past initial defenses.
The reason a SOC matters isn't the attack itself — it's the gap between when an attacker gets in and when someone notices. Research on breach costs consistently shows that what makes breaches expensive isn't the initial compromise — it's the time between it and discovery, since attackers often operate inside networks for weeks or months while accessing files, stealing credentials, and expanding their foothold. Every undetected day extends the damage. For most SMBs, that gap exists specifically because no dedicated function is watching for adversarial activity — firewalls block known threats and antivirus catches known malware, but neither one is watching for the threats that get past them. That's the exact function a SOC exists to fill.
It's worth clarifying a common mix-up: a Network Operations Center (NOC) focuses on system performance, uptime, and infrastructure health — keeping things running. A SOC focuses specifically on security — watching for threats, breaches, and malicious activity. Some providers combine both functions, but they solve different problems, and a NOC alone won't catch a security incident.
Very few small or mid-sized businesses build a SOC entirely from scratch — the cost and staffing requirements put that out of reach for all but the largest enterprises. In practice, businesses generally choose from three models:
In-house SOC. You hire analysts, purchase and manage the tooling (SIEM, threat intelligence, log infrastructure), and run the function entirely internally. This gives you full control, but a true 24/7 in-house SOC for an SMB often starts around $500,000 to $750,000 per year once staffing, tooling, and log infrastructure are accounted for — and some estimates for a fully built internal operation run considerably higher.
Co-managed SOC. Responsibilities are split between your internal team and a managed provider — your team typically handles business-hours work and business context, while the provider covers 24/7 coverage, after-hours response, and advanced threat hunting. Co-managed models often land in the $250,000 to $500,000 per year range, reducing but not eliminating internal cost and time commitment.
SOC-as-a-Service (SOCaaS) / Managed SOC. A third-party provider delivers the full function — 24/7 monitoring, detection, and response — as a subscription service. SOC as a Service typically runs $10 to $25 per monitored asset per month for most SMBs, with volume discounts kicking in above 250–500 endpoints, and a fully-featured managed SOC for a typical 50–250 employee organization often runs $4,000–$25,000 per month all-in depending on endpoint count, log volume, and coverage scope. Compared to the cost of building an equivalent internal operation, this is often dramatically more accessible.
If you're relying solely on firewalls, antivirus, and whoever happens to be available to check on things, you likely have a detection gap — whether or not you've experienced an incident yet. A few signals it's time to look at managed SOC coverage:
What is a SOC and do I need one? A SOC (Security Operations Center) is the team and technology that continuously monitors your systems, detects threats, and responds before an incident becomes a breach. You likely need SOC-level coverage if no one is actively watching for threats outside business hours, or if your industry requires demonstrable security monitoring for compliance.
What's the difference between a SOC and a NOC? A NOC (Network Operations Center) monitors system performance and uptime. A SOC monitors specifically for security threats and malicious activity. They solve different problems, even though some providers offer both.
What's the difference between a SOC and MDR? MDR (Managed Detection and Response) is a specific type of managed SOC service that emphasizes active response — analysts can take containment actions like isolating an endpoint or disabling a compromised account under pre-authorized rules, not just alert and wait.
Does a SOC replace my firewall and antivirus? No. A SOC works alongside these tools, not instead of them. Firewalls and antivirus block known threats; a SOC catches the threats that get past those defenses through active monitoring, detection, and response.
How much does a SOC cost for a small business? SOC-as-a-Service typically runs $10–$25 per monitored asset per month for SMBs, or roughly $4,000–$25,000 per month all-in for a fully-featured managed SOC at a 50–250 employee organization — far less than the $500,000+ per year a true in-house 24/7 SOC typically costs.
What's the difference between SOC-as-a-Service and a co-managed SOC? SOC-as-a-Service is fully outsourced — a provider handles monitoring, detection, and response entirely. A co-managed SOC splits responsibilities: your internal team handles business-hours work and context, while the provider covers 24/7 coverage and advanced response.
Is building an in-house SOC ever worth it for an SMB? Rarely. The staffing, tooling, and log infrastructure costs put a true 24/7 in-house SOC out of reach for most organizations under a few hundred employees. Managed SOC or SOCaaS models deliver comparable coverage at a fraction of the cost.
What drives SOC-as-a-Service pricing up or down? Primarily the number of monitored assets, coverage hours (8x5 vs. true 24/7), the depth of human analyst involvement, and response scope — notify-only services cost less than services that can actively contain threats on your behalf.
How do I know if my current security setup has a detection gap? If your tools generate alerts but no one has the dedicated time or expertise to investigate them, or if you have no coverage outside business hours, you likely have a gap — regardless of whether you've experienced an incident yet.
Do compliance requirements ever mandate SOC-level monitoring? Frameworks like HIPAA and PCI DSS increasingly expect demonstrable, continuous monitoring and audit documentation. A managed SOC helps produce that evidence, which is difficult to generate after the fact if you haven't been logging and monitoring consistently.
What's the first step if I think my business needs SOC coverage? Start by assessing your current environment — your users, devices, cloud applications, and any compliance obligations — to establish a baseline of what needs monitoring and what your actual risk exposure looks like before comparing providers or pricing models.
Most businesses don't need to build a SOC from the ground up — they need a clear picture of where their current coverage actually falls short. Explore our full Cybersecurity, Identity & Compliance services, review email security best practices to close another common gap, or contact our team for a clear read on your current monitoring coverage.
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