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Updated 10/13/2025

Cisco Redefines Cybersecurity Landscape with $28 Billion Splunk Acquisition!

This all-cash agreement, representing a 31% premium over Splunk's stock price, marks Cisco's largest deal to date.

In a groundbreaking move, Cisco has announced its strategic acquisition of Splunk for $28 billion, reshaping the landscape of secure information and event management (SIEM).

Global Impact, Enhanced Resilience: Cisco’s chairman and CEO, Chuck Robbins, anticipates the acquisition will close in the third quarter of 2024, pending necessary approvals. Robbins emphasized the integration’s significance, creating an end-to-end data platform to bolster digital resiliency globally.

Next-Gen SIEM Revolution: This unexpected move positions Cisco as a dominant force in the next-generation SIEM (NG-SIEM) market, which is expected to reach nearly $4 billion in annual revenue by 2027. Splunk’s premium offering, combined with Cisco’s global reach, presents immediate upsell opportunities.

Balancing Act: Analysts express optimism but caution. Cisco’s track record with acquisitions varies, and to maintain Splunk’s loyal user base, it’s crucial for Cisco to uphold Splunk’s strengths—a flexible, powerful SIEM and observability offering.

Future of Cybersecurity: The acquisition aligns with the growing focus on next-gen SIEM and the need for platforms supporting multicloud and cloud-native applications. Cisco’s move highlights the convergence of SIEM into Extended Detection and Response (XDR) capabilities, showcasing a strategic shift in the cybersecurity landscape.

Stay tuned for updates on this game-changing acquisition, as Cisco pioneers the future of cybersecurity.

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