Security information and event management (SIEM) is an approach to security management that combines SIM (security information management) and SEM (security event management) functions into one security management system.
A SIEM tool is a centralized system used to collect, store and analyse logs. Logs are generated in an infrastructure and originate from sources such as applications, hosts and network traffic.
A SIEM tool is used to monitor and analyze the activities that are taking place in the infrastructure of your company. By analyzing the events, suspicious behavior can be detected. Analyzing the detected suspicious behavior. swiftly and correctly plays an essential role in recognizing a (potential) cyberattack in an early stage. Detecting these early, allows your company to act fast and take the necessary measures.
To be certain that an alert is followed up properly and that further escalation of a cyber incident is avoided, cyber security expertise is required. An expert is needed to understand what is going on and how to respond accordingly. Hence, it is vital that a SIEM is only staffed internally when there are enough security experts available with the required knowledge, if this requirement cannot be met it is advised to outsource it to a security partner.
SIEM As A Service comprises outsourcing the deployment, maintenance, and configuration of a SIEM in accordance with your company’s security needs. It is advisable that the outsourcing company has the required cyber security expertise. It is therefore important to be critical when looking for a security partner, this will ensure that the SIEM is correctly configured and your company’s security risks are covered.
Security information management (SIM) is the practice of collecting, monitoring, and analyzing security-related data from computer logs. A security information management system (SIMS) automates that practice. Security information management is sometimes called security event management (SEM) or security information and event management (SIEM).