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CLOUD-BASED OPERATIONS AND CYBER SECURITY WILL WITNESS NEW HEIGHTS IN 2019
It was way back in 2000 that Security information and event management (SIEM) approach to security management systems first appeared from vendors. The original SIEM functionality centred on event correlation from perimeter security devices such as IDS/IPS and firewalls and the demand came from vendors like Intellitactics, eSecurity and NetForensics. Over the last 19 years, SIEM market has evolved with different vendors, use cases and functionalities. SIEM has also increased its market size growing into a $2.5 billion market, dominated by giant vendors such as LogRhythm, AT&T (AlienVault), Splunk and IBM. The underlying principle of every SIEM system is to aggregate relevant data from multiple sources identifying deviations from the norm to take appropriate action. For example, at the event of potential issue detection, a SIEM might log additional information, generate an alert and instruct other security controls to stop an activity’s progress. A SIEM system can be rules-based or employ statistical correlation engine to establish the relationship between event log entries. Advanced SIEMs have developed to include security orchestration and automated response (SOAR) and user and entity behaviour analytics (UEBA).
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