What features does Managed SIEM services include?
What is SIEM?
SIEM solutions come in many different shapes and sizes, but they are all meant to provide platform which is configured to receive events from any event source. Examples of event sources could include physical access control solutions (key fobs, biometric solutions, etc…), the logging apparatus built-in to operating systems of workstations and servers, network infrastructure devices like switches, routers, and firewalls, IoT (Internet-of-Things) devices and sensors such as smoke alarms, cameras, and motion detectors, or collaboration platforms like Teams or Zoom. The SIEM solution also provides the ability to filter or search, categorize, prioritize, or track events, and notify stakeholders with alerts or even trigger mitigation actions (like disabling accounts) when configured to do so.
Managed SIEM services are also available in a variety of delivery methods, each providing various degrees of included management and setup services to fill gaps where the client organization does not want to, or does not have the means to, handle such a deployment in-house. For instance, there are services that offer the design and basic, out-of-the-box configuration and integration, while the customer is meant to provide any custom configurations or rules and any integrations not already available. In other cases, providers will offer to manage and monitor a customer’s existing SIEM, leaving the deployment, configuration and integration to the client organization. Finally, other offerings will include a more completion solution from design and implementation to integration, configuration, monitoring, and response.
The choice of what should be managed by the client and what should be managed by the provider will always be up to the client and therefore is the client’s responsibility to understand what aspects of the SIEM solution should be handled by a third-party provider and what should be handled internally. A Security Integration and Events Management (SIEM) solution is an essential component of the modern security stack. A SIEM’s job is invaluable; taking events and information from all of the other systems and security solutions in place and making them available in one location with unique capabilities centered around supporting human decision making. It is essentially the central hub for the security information. SIEM’s are undeniably vital but, on the other hand, can be complicated with complex deployment procedures, each dependent on many variables. Also, SIEMs generally need regular upkeep as well as constant analysis and adjustment when security events are received. The industry has also seen that, broadly, qualified cybersecurity analysts and experts are difficult to find in the current job market. All of these factors are potential roadblocks for organizations looking to implement a SIEM solution.
With the required planning, integration(s) with other 3rd party security solutions and event sources, initial deployment and configuration, and continuous fine-tuning, it is no surprise that organizations are heavily leaning toward managed SIEM solutions to help solve their need to turn events into actionable intelligence.
Managed SIEM providers offer the SIEM solution that an organization desires along with all the ancillary services required to design, implement and maintain the solution, as well as the skilled personnel required to analyze, investigate and remediate threats and incidents. A managed SIEM provider will take an inventory of all the security solutions and event sources across the enterprise estate, determine which integrations are required, design the solution using existing or custom integrations, implement and configure the solution, assign analysts or a team of analysts to monitor the solution and, finally, provide any updates, configuration changes or new integrations that may become necessary. This approach is much simpler for an organization to implement as the heavy-lifting will be managed by a third party. In many cases, this approach may even end up being less costly when considering the cost of hiring, training and retaining skilled analysts required to fully benefit from a SIEM deployment.