When working in the IT field, one often encounters various acronyms. Information security is no exception; it also uses terminology that one should be familiar with. Understanding these terms becomes particularly important when acquiring such services for organizational use. Some of the more common acronyms you might encounter in the field of information security today are SOC, MDR, EDR, XDR, and SIEM. Of course, there are many others, but in this blog post, I’ll focus on these because they are closely related to organizational security monitoring and cyber threat prevention. We’ll go through what these acronyms mean, what they relate to, and why they are important for today’s information security challenges.
SOC – Security Operations Center
SOC (Security Operations Center) essentially refers to a security monitoring center. It is a facility where an organization’s security personnel (internal or outsourced) monitor, analyze, and respond to potential cyber threats around the clock. The main task of a SOC is to detect, analyze, and respond to security breaches and protect the organization’s information and systems.
Service in a nutshell:
- Monitoring: SOC uses various tools and software to monitor systems and network traffic.
- Analysis: Anomalies and alerts are investigated more closely to identify potential threats in time.
- Response: SOC experts take action if an attack or data breach is detected.
MDR – Managed Detection and Response
MDR (Managed Detection and Response) refers to managed threat detection and response. It is a service where an outsourced expert team is responsible for monitoring an organization’s security, identifying threats, and responding to them. MDR services are useful for organizations that don’t have their own resources for security monitoring and want to start with a low-threshold approach to security monitoring and response.
Service in a nutshell:
- Expert support: MDR service providers bring security expertise.
- Continuous monitoring: Security is monitored, for example, 24/7, allowing for quick response to potential threats.
- Cost-effectiveness: Outsourcing the service can be economically sensible.
Differences between MDR and SOC
MDR and SOC are often confused as terms because both relate to monitoring and managing an organization’s security threats. A typical confusion arises from the fact that both offer continuous monitoring and response. MDR is an outsourced service, typically offered by an antivirus product manufacturer, where experts also actively assist in threat prevention, while SOC can also be an internally produced service that focuses on broader monitoring and analysis. The difference comes from the emphasis on practical actions and the scope of the service – and that’s why these acronyms can easily be mixed up. To put it bluntly, SOC is a more comprehensive service, while MDR is a lower-level service, typically based on an antivirus product, operating in a narrower area.
When selecting services, it’s worth paying attention to the scope, what response times are promised in the service (Meantime To Response), and whether the service truly operates 24/7 under human guidance, i.e., whether there is a person monitoring events and responding to potential threats every hour of the day.
SIEM
SIEM (Security Information and Event Management) is a system that centrally collects, stores, and analyzes security logs and other event data from various sources. SIEM helps identify anomalies and threats through automated analysis. It often serves as a tool for SOC, providing real-time information and alerts based on which experts can respond to potential cyber threats. In MDR services, SIEM can be part of the package used to monitor and handle security incidents. There are several SIEM products on the market. Microsoft’s SIEM product is Sentinel, which is particularly attractive to small and medium-sized businesses in terms of both features and costs. More information: Microsoft Sentinel—AI-Powered Cloud SIEM | Microsoft Security.
EDR – Endpoint Detection and Response
EDR (Endpoint Detection and Response) refers to the detection and response to threats on endpoint devices. Endpoints include devices such as computers, servers, and mobile devices. An EDR system collects information from devices and their events, identifies anomalies in various functions such as process behavior. Additionally, it enables quick response to malicious activities automatically or manually. EDR features are found in almost every company that manufactures antivirus products. Today, a mere antivirus product on an endpoint is not sufficient protection against malware. For example, Microsoft Defender includes EDR protection depending on the license level. More information: Microsoft Defender for Endpoint | Microsoft Security.
Feature in a nutshell:
- Threat analysis: EDR identifies suspicious behavior on devices.
- Quick response: Anomalies can be addressed automatically or manually.
- Data collection: The service records events, which facilitates later investigation.
XDR
XDR, or Extended Detection and Response, is a security solution that combines and extends the features of traditional EDR to cover multiple protection layers, such as networks, cloud services, email, and endpoints. XDR centrally collects threat information, identifies anomalies in different environments, and enables a unified view and quick response to cyber threats. This way, organizations gain visibility and control comprehensively over their environment’s protection. More information: What is XDR? (Extended Detection and Response) | Microsoft Security
Summary
SOC, MDR, SIEM, EDR, and XDR are all important parts of an organization’s cybersecurity. They complement each other and help ensure that data breaches, malware, and other cyber threats are detected and prevented as quickly as possible. It’s worth mastering these acronyms, as understanding them helps build a stronger and more secure IT environment.
At Above IT, we have productized a security service specifically designed for small and medium-sized organizations, where we monitor, track, and respond to security alerts based on 24/7. Combined with proactive continuous development, this enables a comprehensive solution that effectively counters today’s cyber threats. Read more about it here: Security – Above IT Oy or contact us directly below to discuss further.
When your organization wants to build genuinely holistic security that takes into account different aspects of the IT environment, where a person monitors and observes anomalies in your organization’s IT environment security following the sun 24/7, ask us for ideas on how Above IT would solve your organization’s needs!