Armadin vs Splunk
Side-by-side comparison of AI visibility scores, market position, and capabilities
AI-native cybersecurity using agentic attacker swarms. Founded by ex-Mandiant CEO Kevin Mandia. Record $189.9M Seed+Series A (Mar 2026). Founded 2025, Palo Alto.
About
Armadin was founded in 2025 in the United States by Kevin Mandia — former CEO of Mandiant, widely regarded as one of the world's foremost cybersecurity incident response firms — with a mission to fight AI-powered cyber threats with AI-native offensive and defensive capabilities. The company was built on the premise that as adversarial AI lowers the barrier to sophisticated attacks, the only effective defense is an equally capable AI system that can simulate, anticipate, and respond to attacker behavior autonomously.\n\nArmadin's platform uses agentic attacker swarms — coordinated AI agents modeled on real adversary tactics, techniques, and procedures (TTPs) — to conduct continuous red teaming, vulnerability discovery, and attack surface validation against enterprise environments. Unlike periodic penetration testing engagements, Armadin's agentic approach delivers persistent, automated adversarial pressure that reflects the reality of modern threat actors operating continuously. The platform integrates with existing security operations workflows to surface findings in actionable formats for blue team remediation.\n\nArmadin raised a record $189.9M across its Seed and Series A rounds in March 2026, an extraordinary funding level for a company founded just one year prior. The scale of funding reflects both Kevin Mandia's exceptional credibility in the cybersecurity market and the urgency enterprises feel around AI-native threat readiness. Armadin enters a market where legacy red team tooling and manual penetration testing are increasingly inadequate against AI-assisted adversaries, positioning it as a defining company in the next generation of offensive security.
Data platform for security and observability acquired by Cisco for $28B in March 2024. Used by 90 of Fortune 100; 7,500+ enterprise customers globally; flagship SIEM and Splunk SOAR power enterprise security operations centers.
About
Splunk is a data platform for security and observability founded in 2003 in San Francisco, built on the idea that machine-generated data — logs, events, metrics, traces — contains the intelligence organizations need to detect threats, investigate incidents, and ensure digital systems stay available. The company's core technology indexes and searches massive volumes of machine data in real time, enabling security and IT operations teams to answer complex questions across their entire data estate without predefined schemas.\n\nSplunk's flagship product is its SIEM (Security Information and Event Management) platform, used by 90 of the Fortune 100 to detect and respond to security threats. Its broader portfolio includes Splunk Observability Cloud for infrastructure monitoring, Splunk SOAR for security orchestration and automated response, and Splunk IT Service Intelligence for IT operations. The platform's schema-on-read approach and SPL query language give analysts flexibility to investigate novel threats and operational issues that structured databases cannot accommodate.\n\nSplunk was acquired by Cisco for $28B in March 2024, one of the largest cybersecurity acquisitions in history, and has been integrated into Cisco's AI-driven security portfolio. The combination of Cisco's network telemetry and global customer relationships with Splunk's data analytics depth creates a powerful full-stack security and observability offering. Under Cisco, Splunk is adding AI-native features — including AI Assistant for SPL and automated threat detection — to maintain its leadership position as the SIEM market evolves toward AI-augmented security operations.
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