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Booz Allen to Acquire Defy Security for Commercial Cyber Growth


Booz Allen to Acquire Defy Security for Commercial Cyber Growth
  • by: Source Logo
  • |
  • February 18, 2026

Booz Allen Hamilton today announced it has signed a definitive agreement to acquire Defy Security, a leading provider of cybersecurity solutions for commercial enterprises. The transaction will position Booz Allen’s global commercial business to deliver end-to-end, tech-enabled cyber products and services to clients in financial services, health and life sciences, manufacturing, technology, energy, retail, and other sectors.

Quick Intel

  • Booz Allen acquires Defy Security to expand its global commercial cybersecurity offerings and accelerate product-driven revenue.
  • Defy brings a strong commercial customer base, sales expertise, and key vendor relationships that complement Booz Allen’s advanced tradecraft and industry knowledge.
  • The combination enables faster scaling of cyber products like Booz Allen’s AI-powered malware analysis tool Vellox Reverser™ while maintaining high security, compliance, and oversight standards.
  • Acquisition supports Booz Allen’s growing presence in the United Kingdom and European Union, broadening access to advanced cyber services for international enterprises.
  • Defy Security, headquartered near Pittsburgh, PA with an office in San Ramon, CA, employs ~100 cyber engineers, solution architects, and sales professionals.
  • Transaction expected to close in Q1 of Booz Allen’s fiscal year 2027, subject to customary closing conditions and regulatory approvals; terms not disclosed.

Strategic Alignment for Enterprise Cybersecurity

The acquisition unites Booz Allen’s deep federal and commercial domain expertise with Defy’s proven ability to deliver scalable cyber solutions to leading enterprises. Together, the combined entity will address the evolving threat landscape by offering resilient, innovative cybersecurity services and technologies tailored to commercial priorities.

“This acquisition helps us deliver resilient cybersecurity services and technologies for leading enterprises like never before,” said Andrew Turner, executive vice president and head of Booz Allen’s global commercial business. “Together Booz Allen and Defy Security will unlock new market opportunities, accelerate innovation, and help our customers protect their most critical assets in an increasingly fast-paced threat environment.”

“We founded Defy Security to reimagine the way commercial enterprises buy and scale cyber technology,” said Justin Domachowski, founder and CEO of Defy. “Combining Booz Allen’s deep technical qualifications and global reach with our leading cyber solutions and talent opens incredible opportunities to support global customers in new ways. We could not be more excited about the road ahead.”

Defy Security is backed by Sverica Capital, a technology-focused private equity firm. Booz Allen retained AGC Partners (financial M&A advisor), PwC (accounting and tax advisor), King & Spalding (legal advisor), and Oliver Wyman (strategic industry advisor). Defy retained J.P. Morgan Securities LLC (financial advisor) and Choate, Hall & Stewart LLP (legal advisor).

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 other 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®.

  • CybersecurityEnterprise SecurityA Iin Cyber
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