The mix of devices, applications, cloud-connected services and other solutions that power your IT infrastructure all generate a constant stream of information, and SIEM software collects and connects those data points in one place. Security information and event management technology provides you with a centralized system for logging and analyzing events across your network, and managing alerts that come from anomalous activity.
CyberAssurance COREtm by SWK Technologies includes SIEM-backed monitoring as part of a fully managed cybersecurity program built for small and midsized businesses. Leveraged by a U.S.-based SOC (security operations center), this toolset captures the disparate data generated within your network ecosystem and flags discrepancies, allowing SWK’s security experts to quickly and decisively respond to potential threats early.
Continue reading below to learn more about what SIEM means, how it works and why it matters for your business’s cybersecurity:
What Does Security Information and Event Management (SIEM) Mean?
Security information and event management is a term that was coined by Gartner analysts in the early 2000s, when two earlier cybersecurity disciplines — Security Information Management and Security Event Management — were combined into a single category. The original purpose of this new methodology was log management and compliance, but the end goal was to give cybersecurity teams a unified view of activity data that had previously been scattered across individual systems.
The technology has expanded considerably since then, as modern SIEM systems pull data from endpoints, SaaS applications and digital network workloads that did not exist when the category was first defined. What has remained constant is the core function: giving security teams a single, authoritative view of what is happening across the environment so that threats can be identified and addressed before they escalate.
How SIEM Works
SIEM solutions work by pulling log and event data from every device and application on your network — servers, firewalls, endpoints, cloud workloads and more — and routing it into a single platform for analysis. The result is a prioritized set of alerts that an internal cybersecurity team — or a managed service provider (MSP) — can investigate and act on. Logs are also retained for forensic investigation and compliance reporting, giving your business a documented record of activity across the environment.
The process for gathering and analyzing this data occurs in two stages primarily:
Collection
Data flows into the SIEM system from across the environment — authentication records, network traffic logs, system events and alerts generated by other security tools — producing a volume of information that no team could realistically monitor across individual systems. The system consolidates and normalizes that stream into a format that makes analysis possible, which is the prerequisite for everything that follows in the correlation stage.
Correlation
The security team leverages the system’s behavior analysis to uncover any anomalous patterns within the information sourced from your network. A single failed login attempt may not be notable, but several failed logins from an unfamiliar IP address, followed by a successful login and a large file transfer, is a different matter. Event management technology connects those dots in near real time — a task that would otherwise be impossible to execute manually across the volume of data a modern business generates.
What SIEM is Used For
SIEM technology serves a range of security functions, though threat detection and regulatory compliance represent the two most common and consequential for small and midsize businesses. Both rely on the same underlying capability — continuous log collection and analysis. These abilities also reinforce each other because a system configured to monitor for security incidents is simultaneously building the audit trail that regulators require.
Threat detection
By analyzing data from across the environment, a SIEM system can help users identify attack patterns that individual tools would miss. This includes lateral movement across the network, credential abuse, unusual access to sensitive data, and early indicators of ransomware activity.
Compliance
Regulations such as HIPAA, CMMC and PCI-DSS require that businesses maintain detailed records of who accessed what, when and from where. A SIEM solution stores that audit trail, generates reports aligned to specific regulatory requirements and can automatically flag activity that falls outside defined access policies.
Why SIEM is Needed for Small Businesses
SIEM technology was originally developed for large enterprise IT environments with dedicated security staff and significant infrastructure budgets. The factors that once made this technology virtually inaccessible to smaller organizations — high cost, complex infrastructure and a need for in-house expertise to operate it — have changed significantly as cybersecurity has evolved and matured.
Smaller businesses face the same threat landscape as larger ones — and, in many cases, the same compliance requirements. Managed SIEM offerings have made it possible to access enterprise-grade detection and log management without building the supporting infrastructure from scratch. Whether the driver is a HIPAA audit, a federal contract requiring CMMC compliance or a growing concern about ransomware exposure, continuous log monitoring through a managed provider gives SMBs the same level of coverage that enterprise security teams maintain in-house.
However, the key consideration is not whether SIEM is appropriate at a given business size, but whether the solution is actively monitored and properly configured for the environment it protects. A system deployed with default settings and no dedicated review will generate substantial data without producing reliable, actionable results.
SIEM vs SOC
SIEM is a technology platform that collects and analyzes security data; a Security Operations Center, or SOC, is the team responsible for reviewing that data and acting on it. The differences lies in how the latter uses the former, as they both contribute to an effective cyber defense. Deploying one with the other, however, is comparable to installing a security camera system with no one assigned to watch the footage
Most small and midsized businesses lack the internal staff, resources and expertise to operate an enterprise-level cybersecurity solution around the clock, and the volume of alerts a properly configured SIEM system generates requires consistent, skilled attention to be useful. Without analysts available to triage incoming notifications and investigate the ones that warrant a closer look, your solution will inevitably develop a backlog of data.
A managed security provider pairs SIEM technology with SOC coverage, handling the monitoring, analysis and initial response on behalf of the business. Your business gets the visibility a SIEM provides without the overhead of maintaining an in-house security operations function.
Learn More About Cybersecurity with SWK Technologies
CyberAssurance CORE is SWK Technologies’ managed cybersecurity program for small and midsize businesses, built around 24/7 SOC coverage, SIEM-backed monitoring and a compliance-centered approach to threat detection and response. SWK delivers this through a fully managed engagement, so your business gets continuous security operations coverage backed by analysts who know your environment.
Contact SWK here to learn how CyberAssurance CORE can help your business improve threat visibility and meet compliance requirements.