M&A news

F5 Completes CalypsoAI Acquisition for Advanced AI Security

CalypsoAI acquired by F5

AcquisitionAI Security

Get the full CalypsoAI company profile

Access contacts, investors, buying signals & more

Open in Dashboard
CalypsoAI logo
Acquired

CalypsoAI

Software Development

Undisclosed amount

September 11, 2025

F5 logo
Acquirer

F5

IT Services and IT Consulting

F5 has acquired CalypsoAI for an undisclosed amount, bringing the AI security platform under F5’s corporate umbrella. The acquisition aims to integrate advanced AI guardrails into F5's offerings for large enterprises, addressing the growing need for secure artificial intelligence adoption.

CalypsoAI is an adaptive AI security platform empowering enterprises to innovate safely by staying ahead of evolving threats. Founded in 2018, the company provides real-time protection and performance for GenAI systems, utilizing an inference platform to test, defend, and observe AI applications and agents. Its capabilities include proactive, agentic red-teaming, real-time adaptive AI security, and centralized oversight and traceability across AI interactions.

This strategic acquisition by F5, a long-standing provider of application security and delivery solutions, is set to enhance its portfolio with specialized AI security. By integrating CalypsoAI's expertise in protecting against AI-specific vulnerabilities and ensuring compliance, F5 can offer its enterprise customers robust tools to manage and secure their AI deployments effectively. The synergy is expected to enable F5 to provide comprehensive defense for enterprises increasingly relying on AI, allowing them to responsibly unlock AI's full potential while maintaining unmatched protection.

The combined entity is poised to address critical security challenges in the rapidly expanding landscape of generative AI. This move positions F5 to offer a more holistic security framework, helping businesses navigate the complexities of AI adoption safely and confidently, and securing the applications and data that power modern enterprises.

Buying signals & intent

Our AI suggests CalypsoAI may be interested in:

AI Security Solutions
Red Team Services
Data Protection Strategies
Compliance Solutions
Threat Detection Technologies

Unlock GTM signals

Discover CalypsoAI's tech stack and active buying intent.

View GTM signals

Unlock key decision-makers

Get direct access to the decision-makers at CalypsoAI.

Unlock decision-makers