F5 Acquires CalypsoAI for $180M to Bolster AI Security Offerings
6 Sources
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F5 paying $180M to acquire CalypsoAI to boost AI enterprise security offerings
Seattle-based security and application delivery giant F5 will pay $180 million to acquire CalypsoAI, a startup founded in 2018 that helps companies secure their generative AI infrastructure. The deal is financed primarily with cash and is expected to close this month, F5 said in a news
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F5 to acquire Irish-led cyber start-up CalypsoAI for $180m
F5 said the deal is expected to close in its fourth-quarter fiscal year 2025, which concludes at the end of this month. App security company F5 has announced today (11 September) its intention to acquire Irish-led US start-up CalypsoAI for $180m. F5 hopes to integrate the start-up's AI security
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F5 acquires AI security provider CalypsoAI for $180M - SiliconANGLE
F5 Inc. today announced plans to acquire CalypsoAI Inc., a startup that helps enterprises protect their artificial intelligence applications from hackers. The all-cash deal values CalypsoAI at $180 million. That's more than four times the amount of funding the company raised prior to the
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F5 To Acquire CalypsoAI For GenAI Security Push
The $180 million deal aims to boost AI security on the F5 Application Delivery and Security Platform, the company says. F5 announced Thursday it plans to acquire AI security vendor CalypsoAI for $180 million. The deal, which mainly consists of cash, is expected to close during the fourth quarter
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F5 To Acquire CalypsoAI To Bring Advanced AI Guardrails To Large Enterprises
F5 (NASDAQ: FFIV), the global leader in delivering and securing every app and API, has announced its intent to acquire a pioneer in enterprise AI security. CalypsoAI's award-winning platform brings real-time threat defence, red teaming at scale, and data security to enterprises racing to deploy
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F5, Inc. signed a letter of intent to acquire Calypso AI Corp for $180 million.
F5, Inc. (NasdaqGS:FFIV) signed a letter of intent to acquire Calypso AI Corp for $180 million on September 11, 2025. The consideration will be financed primarily with cash. The acquisition is subject to customary closing conditions. The expected completion of the transaction is in F5?s fourth
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F5, a leading application security company, is set to acquire CalypsoAI, an AI security startup, for $180 million. The acquisition aims to enhance F5's AI security capabilities and integrate CalypsoAI's technology into its Application Delivery and Security Platform.
F5's Strategic Move in AI Security
F5, a Seattle-based security and application delivery giant, has announced its intention to acquire CalypsoAI, a pioneering startup in enterprise AI security, for $180 million
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. This all-cash deal, expected to close by the end of September 2025, marks a significant step in F5's strategy to strengthen its AI security offerings3
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Source: CRN
CalypsoAI: A Rising Star in AI Security
Founded in 2018 with offices in Ireland and New York City, CalypsoAI has quickly established itself as a leader in AI security
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. The company's flagship product, the Inference Platform, provides real-time threat defense, red-teaming at scale, and data security for enterprises deploying AI-related workloads2
. CalypsoAI's innovative approach has attracted significant attention, including $23 million in funding in 2023 and recognition as a top-two finalist at the RSAC 2025 Innovation Sandbox competition2
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Source: Silicon Republic
Enhancing F5's AI Security Capabilities
The acquisition of CalypsoAI is set to significantly boost F5's AI security offerings
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. F5 plans to integrate CalypsoAI's technology into its Application Delivery and Security Platform (ADSP), creating what it claims will be the most complete solution for securing AI inference5
. This integration will enable F5 to offer:- Real-time protection against AI-specific threats like prompt injection and jailbreaking
- Guardrails for detecting and preventing sensitive data leakage and policy violations
- Comprehensive visibility and auditability across enterprise AI infrastructures
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The Growing Importance of AI Security
François Locoh-Donou, President and CEO of F5, emphasized the critical nature of this acquisition, stating, "AI is redefining enterprise architecture -- and the attack surface companies must defend"
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. As enterprises rapidly embed AI into their products and operations, they face new and sophisticated threats that traditional security measures struggle to address5
.Market Impact and Future Prospects
This acquisition reflects the growing demand for specialized AI security solutions. Gartner's recent Market Guide on AI Trust, Risk and Security Management (TRiSM) highlights the need for enterprises to maintain independence from single AI model or hosting providers to ensure scalability, flexibility, and trust
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.The deal also underscores F5's commitment to innovation in the rapidly evolving AI security landscape. It follows the company's recent acquisitions of Fletch, an agentic-powered security startup, and MantisNet, a real-time network observability vendor
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Source: SiliconANGLE
As AI continues to reshape enterprise IT and security, the F5-CalypsoAI combination aims to provide businesses with the tools to innovate faster while maintaining robust security measures across their AI infrastructure.
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