SIEM Migration – ArcSight to Splunk

Customer

Publicly traded commercial bank with $9 billion in revenue and 27,000 employees.

Environment

Existing SIEM solution contains security gaps, unable to provide visibility into cloud services.

Use Case

Migrate 100s of legacy SIEM use cases to Splunk Enterprise Security and train the team to help ensure success.

Customer Challenges

Security Gaps

The legacy ArcSight SIEM lacked visibility into cloud service security, resulting in limited usability and significant security gaps.

Migration of Use Cases

The legacy SIEM includes hundreds of use cases that must be consolidated and migrated to Splunk.

Limited Internal Expertise

The customer’s internal team lacked experience with Splunk and did not have the expertise or confidence required to execute the SIEM migration.

Our Expert Approach

security visibility

Security Workshop

Conducted an internal security workshop to determine the migration effort and use cases required for Splunk Enterprise Security.
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planning and design

Architecture and Migration

Architected the new Splunk SIEM environment and performed the migration in accordance with requirements.
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custom splunk development

Custom Development

Consolidated the many legacy alerts into actionable correlation rules and improved overall efficiency. Integrated findings with Splunk SOAR.
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How We Delivered Success

SIEM Migration – ArcSight to Splunk

A seamless migration from ArcSight to Splunk was completed with zero downtime. Security alerts were optimized, freeing up resources and expanding use case coverage.

Incident response transitioned from manual processes to automation through the use of Splunk SOAR. This elevated the customer’s security maturity, enabling the adoption of Machine Learning and Risk-Based Alerting.

SIEM Migration

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