Splunk Enterprise Security 2025 Update

Next-Gen Features

1. Natural Language Processing (NLP)

   | ai "Show me failed logins from external IPs last hour"
   => | search sourcetype=linux_secure "authentication failure" 
   | stats count by src_ip 
   | where count > 5
   

2. Automated Response Playbooks

   def isolate_host(host):
    aws.ec2.stop_instances(InstanceIds=[host])
    splunk.post_notable_event(
        action_taken="Host isolated",
        severity="High"
    )
   

Regulatory Compliance

| tstats count WHERE index=_audit 
  BY _time span=1h 
| compliance_check nerc_cip_2025 
| visualize compliance_score over time

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