What is SOC as a Service (SOCaaS)?

Security Operations Center (SOC) as a Service is a subscription-based managed security service. With such a service, your service provider operates an external SOC for you, monitoring your network traffic, cloud environments, endpoints and other areas of your mission-critical IT infrastructure. It is used either as a standalone service, or as an extra layer within your existing monitoring systems. This means that you don’t have to choose between providing a security team of your own or security through a third-party SOC — you can opt for a hybrid of the two.

When threats are detected, the SOCaaS team investigates alerts, determines if genuine threats exist, and immediately starts containing, mitigating and resolving any issues needing attention.

To get this level of visibility, a more mature SOCaaS may rely on the deployment of Security Information and Event Management (SIEM) systems, endpoint protection and threat intelligence platforms for maximum coverage. SOC analysts then use these tools to identify and respond to threats across your environment as they happen.

SOC as a Service offers several advantages that make it a worthwhile option for organizations of any size, especially businesses that are struggling to deal with rising digital threats and resource constraints. 

24/7 monitoring with rapid threat detection and response

Threats don't wait for business hours, and businesses that handle sensitive data need round-the-clock monitoring - exactly what a SOCaaS provides across email, endpoints, infrastructure and cloud environments. To accomplish this, SOCaaS providers typically maintain consistent shifts across time zones and make sure that there is always coverage.

Rapid threat detection and response is part of this uninterrupted 24-hour service. Predefined Service Level Agreements ensure serious issues are actioned within strict timeframes and rapid containment stops attacks before they spread, preventing small incidents from becoming catastrophic breaches.

Specialized security expertise

SOCaaS solves internal skills shortages by maintaining a roster of seasoned security professionals who've often worked across multiple industries and dealt with everything from spear-phishing campaigns to zero-day exploits. 

These analysts find patterns that less specialized teams could miss. They recognize subtle patterns like unusual lateral movement at 3 AM, or credential harvesting disguised as routine IT processes that could slip past generalist security staff, resulting in faster investigations with fewer threats falling through the cracks.

Enterprise-grade technology without the price tag 

Cost is an area that makes an internal SOC out of reach for smaller businesses. The total upfront capital expenditure for security tools, infrastructure and personnel can climb into hundreds of thousands of dollars. Some of the security tools needed include: 

• SIEM platforms 
• EDR solutions 
• Threat intelligence feeds 
• Log management systems 

A managed SOC as a service removes the need for initial capital expenditure and shifts it into a predictable monthly cost, structured around the scope of protection that you need. SOCaaS providers handle the deployment, configuration, ongoing tuning and updates for you, ensuring that you benefit from the latest detection capabilities without managing the technical side of the operation. You get access to sophisticated security infrastructure that would otherwise be financially out of reach.

When you begin the onboarding process with a SOCaaS provider, they start the technical integration process by connecting their monitoring tools to your environment. This is normally done through lightweight agents deployed on endpoint devices that forward log data from your network to their SIEM platform. This is what gives them visibility into your internal systems and cloud environments. The scope of their visibility is defined by the exact data that you need to have monitored, making sure that only essential data is incorporated into the solution.

SOCaaS is not necessarily meant to be a full replacement for your existing security teams — it can also act as an extension of the resources that you already have in place, albeit with a focus on security monitoring and incident response. This leaves your teams to handle daily operations during business hours, with your external provider maintaining visibility at all hours. Most SOCaaS solutions include a portal that allows you to log in and view the current state of your security posture, with a rundown on recent alerts and ongoing investigation tracking.

There is no one-size-fits-all SOCaaS solution for a company’s security needs, which is why you need to know whether the third-party service you select will meet your expectations before deciding. Below are some of the main items that you need to consider when choosing your provider.

Incident Response (IR) capabilities

Detecting suspicious activities and anomalies is fundamental for any kind of SOC service, but what about incident response? Not all providers offer active incident response services, leaving your team to handle the containment and mitigation themselves. Others offer comprehensive threat response with immediate action and containment via pre-approved playbooks. Your decision should be based on your existing systems and teams that you have in place, and the scope of service needs to be clearly defined.

Transparency and communication 

When deciding on a SOCaaS provider, you need to thoroughly examine what their communication standards are. The reports generated must clearly explain what's being monitored, which threats have been detected and what actions are being taken as a result. Some questions that you should get answers to are: 

• Are they easy to contact and responsive during emergencies?
• What are their response times during active incidents?
• Are they responsive to email and chat?

Once you have these answers, and they align with your requirements, you have the reassurance that your teams will have support from your provider when they need it.

Skill, experience and expertise

Providers that already service companies in your specific market or sector are more likely to understand the relevant compliance and regulatory pressures that you face during outages and downtime. Ideally, you want a SOCaaS provider that already understands your industry, and the unique conditions in which your organization operates.

Almost all organizations would benefit from improved security monitoring, but certain situations make a managed SOC as a service even more valuable. Below are some examples of business types that benefit most from SOCaaS.

Mid-sized organizations 

It isn’t just Fortune 500 companies that are targeted by cybercriminals. SMBs and SMEs face the same sophisticated threats. While ransomware, phishing and advanced persistent threats target companies of all sizes, SMBs and SMEs don’t often have the resources or budget for a comprehensive internal SOC. They're large enough that security incidents cause devastating damage, but not large enough to justify hundreds of thousands of dollars in SOC investment. SOCaaS provides enterprise-grade protection for organizations just like this but at a fraction of the cost.

Organizations experiencing rapid expansion  

Organizations in growth mode face constantly changing security requirements. As you open new offices, migrate workloads to the cloud, or acquire other companies, you expand your digital footprint - growing your attack surface. Trying to build internal SOC capabilities while keeping pace with this expansion, especially if there are tight deadlines, is challenging. Hiring and training new analysts can take months, not to mention the fact that security tools require time to deploy and configure. A third-party managed SOC scales with your growth and extends monitoring to new environments and assets within days rather than months. This allows your teams to focus on business growth instead of slowing it down.

Augmenting existing security resources

Not every organization needs to fully outsource security operations. Some companies already have internal security teams that handle daily operations, security projects, policy development and security architecture, but they struggle to maintain 24/7 monitoring and real-time incident response. Others have regional coverage, but don’t have overnight, weekend or holiday coverage. Third-party managed SOCaaS is there to fill these gaps and provide extended coverage during off-hours. They handle tier-1 alert triage and add specialized capabilities like threat hunting during peak attack periods. This hybrid model works with your internal security staff and ensures full coverage.

Compliance-heavy industries

Organizations in regulated sectors like healthcare providers that are subject to HIPAA, financial services firms that operate under PCI-DSS, or government contractors with CMMC requirements — all have strict policies around security monitoring, incident response and audit trails. Many compliance frameworks require 24/7 security monitoring and documented incident response capabilities. SOCaaS providers who specialize in regulated industries understand these requirements. They often build their services to support compliance, providing the documentation and reporting needed to satisfy auditors and regulators. This makes compliance more accessible without the need for dedicated internal resources.

Barracuda Managed XDR seamlessly blends advanced technology with the expertise of a global, multi-tiered Security Operations Center (SOC). At its core is an open, cloud-native platform that consolidates telemetry from endpoints, servers, cloud, email, and firewalls—delivering 360-degree visibility through a unified dashboard that streamlines operations and strengthens cyber resilience. Powered by AI, machine learning-enhanced detection rules, and over 11 billion indicators of compromise, it enables rapid, automated threat detection and response—cutting through alert noise to surface only relevant, actionable threats.

While the technology is powerful, the true engine behind Barracuda Managed XDR is its global SOC. Operating 24/7/365, five specialized teams of seasoned cybersecurity analysts and engineers bring deep expertise and a proactive mindset to every customer environment. These experts go beyond monitoring—refining detection rules, proactively hunting complex threats, and offering prescriptive guidance tailored to each business.

By combining human vigilance and best-in-class SLAs with AI-driven automation, Barracuda Managed XDR delivers always-on protection that evolves with the threat landscape. Through its SOC, Barracuda provides the human insight needed to remediate threats quickly and confidently. This fusion of technology and SOC-powered expertise enables organizations to achieve enterprise-grade security — without the overhead of building and managing their own SOC. Schedule a consultation to learn how Barracuda Managed XDR can take your security operations to the next level, or download the XDR e-book to learn more about the technologies and approaches that protect thousands of systems around the world.