Cisco Acquires Splunk for $28 Billion

Cisco to Acquire WideField Security to Boost Splunk’s Agentic SOC

June 22, 2026

Cybersecurity

Cisco announced its intent to acquire WideField Security, a security technology company focused on protecting identities in the agentic AI era. WideField’s technology is expected to be integrated into Splunk to enhance Agentic SOC capabilities by normalizing and correlating identity, session, and activity telemetry from multiple sources.

Cisco to Acquire Galileo Technologies

April 9, 2026

Cybersecurity

Cisco announced its intent to acquire Galileo Technologies, Inc., an AI observability platform focused on making agentic AI more reliable, safe, and trustworthy. The deal is expected to close in Q4 of Cisco’s fiscal year 2026 and Cisco says Galileo will expand its Splunk Observability portfolio and AI agent monitoring capabilities.

Cisco Acquires SnapAttack

January 31, 2025

Cybersecurity

Cisco has acquired SnapAttack, a threat detection and defense company that provides a detection-content lifecycle platform for Security Operations Centers (SOCs). The acquisition will accelerate detection engineering, validation and SIEM modernization capabilities and enable closer integration with Splunk's TDIR and SIEM offerings to improve defenders' visibility and content management.

Splunk Acquires TruSTAR

May 18, 2021

Cybersecurity

Splunk Inc. has signed a definitive agreement to acquire TruSTAR, a San Francisco–based cloud-native threat intelligence and data-centric security platform. The acquisition will expand Splunk's cloud security capabilities by integrating TruSTAR's threat intelligence normalization and enrichment into Splunk's Data-to-Everything platform to accelerate detection, automation and response.

Splunk Inc. Acquires Flowmill

November 24, 2020

Cloud & SaaS

Splunk Inc. has signed a definitive agreement to acquire Flowmill, a Palo Alto–based cloud network observability company that specializes in network performance monitoring using eBPF technology. The acquisition expands Splunk's Observability Suite by adding real-time cloud network telemetry and NPM capabilities; the deal was announced November 24, 2020 and expected to close in Splunk's fiscal fourth quarter.

Cisco Acquires BroadSoft for $1.9B

October 23, 2017

Cloud & SaaS

Cisco agreed to acquire BroadSoft, a provider of cloud PBX, unified communications, team collaboration and contact center software, for $1.9 billion (paying $55 per share). The deal strengthens Cisco's software- and cloud-focused collaboration portfolio and brings BroadSoft's large service-provider customer base and cloud voice/contact-center capabilities into Cisco's applications group.