I would strongly recommend Splunk to be a log manager not only for IT Security Incident Response but also System admin and IT Audits. The current Splunk version adapts much better than versions of IBM Qradar or especially ArcSight.
NESSUS is a remote security scanning tool, which scans a computer and raises an alert if it discovers any vulnerabilities that malicious hackers could use to gain access to any computer you have connected to a network
ArcSight solutions help customers identify and…
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Check Point Firewalls/IPS, Check Point SmartEndpoint