Booz Allen Hamilton announced a definitive agreement to acquire Defy Security, a cybersecurity solutions provider headquartered near Pittsburgh with a San Ramon office, for an undisclosed consideration. The transaction will make Defy a wholly owned subsidiary and is expected to close in the first quarter of Booz Allen’s fiscal year 2027, subject to customary conditions and regulatory approvals.
The deal is part of Booz Allen’s strategy to accelerate product‑driven growth and broaden its commercial cybersecurity offering. By adding Defy’s portfolio of cyber engineers, solution architects, and sales talent, Booz Allen aims to combine its industry knowledge and AI‑powered malware analysis product, Vellox Reverser, with Defy’s customer base and vendor relationships. The integration is also intended to support Booz Allen’s expanding presence in the United Kingdom and European Union.
Booz Allen reported revenue of $12.0 billion for the 12 months ended March 31 2025 and employed approximately 31,600 people worldwide as of December 31 2025. While the financial terms of the acquisition are not disclosed, the move is expected to enhance Booz Allen’s commercial cybersecurity segment, which has been a key growth driver in recent years.
Management highlighted the strategic fit, with Andrew Turner, Executive Vice President and Head of Booz Allen’s Global Commercial Business, noting that the acquisition “helps us deliver resilient cybersecurity services and technologies for leading enterprises like never before.” Founder and CEO of Defy Security, Justin Domachowski, added that the partnership “opens incredible opportunities to support global customers in new ways.”
The announcement follows Booz Allen’s recent focus on expanding its cybersecurity capabilities, including the development of Vellox Reverser and a partnership with Andreessen Horowitz to accelerate advanced technology for governments. The acquisition also comes after the company’s Treasury contract cancellation, which was expected to impact less than 1% of revenue for FY 2027, underscoring Booz Allen’s confidence in its broader strategy.
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