What is SIEM? How does it work? What are the types?

 SIEM is a software tool that collects and analyzes activities from many different sources across the entire IT infrastructure. SIEM is short for Security Information and Event Management. SIEM tool running on system infrastructure, network devices, servers, domain controllers etc. discovers trends by collecting security data from information systems. It stores, makes sense, collects and analyzes this data to detect emerging threats to the infrastructure and enable companies to investigate any warnings. A well-structured SIEM in your system gives the cybersecurity team an active perspective against potential threats. Another important issue to have a SIEM agent in your company infrastructure is to facilitate legal compliance. Each institution is subject to the laws of the country in which it is located and must comply with these laws. In our country, institutions must comply with the Law on the Protection of Personal Data (KVKK) and are responsible for protecting the information of ind