Booz Allen Hamilton today announced it has completed its acquisition of Defy Security. The transaction was previously announced on February 17, 2026. Together the companies will deliver highly competitive, end-to-end, tech-enabled cyber solutions—including Booz Allen's AI-native cyber product suite Vellox—across U.S. and international commercial and federal markets.
Booz Allen completes acquisition of Defy Security, initially announced on February 17, 2026.
Defy provides cybersecurity technology products and services to financial services, healthcare, manufacturing, and retail enterprises.
The combination includes Booz Allen's AI-native cyber product suite Vellox, which pairs machine-speed automation with models trained by elite cyber operators.
Defy will initially operate as a wholly owned subsidiary of Booz Allen.
Defy Security is backed by Sverica Capital, a technology-focused private equity firm.
The acquisition aims to help enterprises combat accelerating AI-enabled cyber threats.
Defy provides cybersecurity technology products and services to leading financial services, healthcare, manufacturing, and retail enterprises. Combining its robust customer base, sales infrastructure, and vendor ecosystem with Booz Allen's deep expertise in nearly all major commercial and federal cyber missions creates a new powerhouse to help customers combat accelerating cyber threats. Together the companies will deliver highly competitive, end-to-end, tech-enabled cyber solutions across U.S. and international commercial and federal markets—including Booz Allen's AI-native cyber product suite Vellox, which pairs machine-speed automation with models trained by elite cyber operators to outpace adversaries.
"Today's AI-enabled threat environment moves at unprecedented speed. Joined with Defy Security, we can help more enterprises around the world innovate ahead of pervasive cyber threats and protect their most critical assets," said Andrew Turner, executive vice president and head of Booz Allen's global commercial business.
"Booz Allen and Defy share a commitment to growth, collaboration, and technical excellence," said Justin Domachowski, founder and CEO of Defy Security. "We look forward to delivering tremendous value to customers together as we set a new standard for enterprise cybersecurity."
Booz Allen retained AGC Partners as exclusive financial M&A advisor, PwC as accounting and tax advisor, King & Spalding as legal advisor, and Oliver Wyman for strategic industry advisory services. Defy Security retained J.P. Morgan Securities LLC as exclusive financial advisor and Choate, Hall & Stewart LLP as legal advisor. Defy Security is backed by Sverica Capital, a technology-focused private equity firm that partners with management teams to scale lower middle-market companies into industry leaders. Defy Security will initially operate as a wholly owned subsidiary of Booz Allen.
About Booz Allen Hamilton
Booz Allen is the advanced technology company delivering outcomes with speed for America's most critical defense, civil, and national security priorities. We build technology solutions using AI, cyber, and cutting-edge technologies to advance and protect the nation and its citizens. By focusing on outcomes, we enable our people, customers, and their missions to succeed—accelerating the nation to realize our purpose: Empower People to Change the World.
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