This Technical Review by TechTarget’s Enterprise Strategy Group (ESG) documents IBM Security QRadar SIEM’s ability to simplify and improve threat detection, investigation, and response while reducing SIEM overhead through their SaaS offering.owever, one glaring shortcoming of SIEM products is their inability to detect unknown threats. 30% of organizations surveyed think that SIEM is good for detecting known threats but not as effective for detecting unknown threats. Lacking the ability to detect unknown threats leaves companies always wondering whether an attacker may be lurking within their systems without their knowledge.
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