Energy grid operator: hardening privileged access and cutting SIEM noise

Context

A critical energy infrastructure operator in the middle of its digital transformation. With a structured SOC, CyberArk PAM and Splunk SIEM already in place, the goal was to harden privileged access across a hybrid environment.

Challenges

• High PAM and SIEM ticket volume, with limited formalization of incident handling.
• Privileged access sprawl. Accounts were not fully rationalized in CyberArk, which widened the attack surface.
• SIEM alert fatigue. Non-actionable Splunk noise slowed down investigations.

What we did

• Structured triage and escalation. We formalized incident analysis and coordination between the security office, infrastructure and application teams.
• PAM rationalization and SIEM tuning. We reviewed privileged accounts, removed non-actionable alerts and improved the signal-to-noise ratio.
• Stronger operational rigor. We reinforced the SOC framework and PAM compliance.

Results

• 15–20% smaller privileged account footprint
• 25–30% fewer non-actionable SIEM alerts
• 20–25% faster ticket resolution

Technologies

CyberArk PAM · Splunk SIEM · ServiceNow ITSM

From security noise to a hardened cyber defense posture.

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