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Symmatrics said on Oct. 22, 2026, that Andrew Hallman has joined its Strategic Advisory Board. Hallman is a former senior CIA and ODNI official and currently works at Leidos; the company says his experience will inform its cybersecurity work, but did not announce specific duties or a product change.
Symmatrics announced on Oct. 22 that Andrew Hallman, a former senior official at the CIA and the Office of the Director of National Intelligence, has joined its Strategic Advisory Board. The appointment adds an intelligence and security executive to the advisory group of a company developing one-time-pad-based cybersecurity products for organizations concerned about AI-related and post-quantum threats.
Hallman brings more than 30 years of intelligence and security experience, according to Symmatrics. The company said he served as the CIA’s Deputy Director for Digital Innovation from 2015 to 2019, where he established and led one of the agency’s directorates. From 2019 to 2020, he served at the Office of the Director of National Intelligence, performing the duties of Principal Deputy Director of National Intelligence and advising the president on intelligence issues.
Hallman currently works at Leidos as vice president and strategic account executive for the Intelligence Community, the announcement said. Symmatrics did not describe the time commitment, compensation, or specific responsibilities associated with his advisory-board position.
Symmatrics says it is developing cybersecurity products based on One-Time Pad Symmetric Key (OTPSK) encryption. It describes the technology as intended to protect data in motion and at rest and says its approach includes device and user identity management. The company characterizes its products as designed to address AI-driven attacks and future quantum-computing risks; those descriptions are company claims, and the announcement did not provide independent product evaluations or performance data.
Intelligence Experience for Symmatrics
The appointment gives Symmatrics an adviser with senior experience in U.S. intelligence and digital innovation as the company seeks to serve government, defense, and other security-sensitive customers. Such experience may help the company understand public-sector priorities and operational requirements, though Symmatrics has not detailed how Hallman will contribute or whether his role involves specific customer or product work.
The announcement also places the company’s pitch within a broader cybersecurity concern: organizations are evaluating how to protect sensitive information as AI capabilities evolve and quantum computing could affect some established encryption methods. Symmatrics presents OTPSK as part of its response. Hallman’s appointment is a governance and advisory development, however, not evidence that the products have been independently validated or adopted by government agencies.
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Symmatrics’ Encryption Approach
Symmatrics describes itself as a cybersecurity company building products around One-Time Pad Symmetric Key encryption and what it calls “Continuously Expiring Trust.” The company says it serves or is targeting national security, defense, financial services, healthcare, critical infrastructure, and other high-risk sectors. The announcement does not name specific customers, deployments, or contracts.
The company’s claims about protection against AI and quantum-related threats are central to its positioning, but the release does not provide technical detail sufficient to compare its implementation with other security systems. The appointment announcement follows a familiar corporate pattern: adding a senior adviser as a company presents its technology to potential users in sectors where security requirements are demanding.
“Andrew’s experience leading the nation’s most critical intelligence and security initiatives makes him a valuable addition to our advisory board.”
— Walter Raquet, Symmatrics chairman and CEO
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Details of Hallman’s Role
The announcement does not explain what advice Hallman will provide, how often he will work with the board, or whether he will take part in product development, business strategy, or customer outreach. It also does not disclose financial terms or whether his Leidos position affects the scope of his work with Symmatrics.
Symmatrics did not publish test results, independent assessments, named customer deployments, or details establishing how its OTPSK products perform against particular AI-enabled attacks or quantum capabilities. Its claims that the approach is AI-resistant and quantum-secure should therefore be understood as the company’s descriptions, not as independently confirmed outcomes.
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Product and Advisory Updates
Symmatrics has not announced a timetable for Hallman’s advisory work or identified a related product launch, customer agreement, or technical milestone. The company said organizations can request a pilot, but it did not provide information in the announcement about pilot availability, eligibility, or results.
Further company disclosures may clarify Hallman’s responsibilities and provide more detail on product testing and deployments. Until then, the confirmed development is his appointment; the practical effect on Symmatrics’ technology or commercial plans remains unknown.
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Key Questions
Who is Andrew Hallman?
Andrew Hallman is a former senior CIA and ODNI official with more than 30 years of intelligence and security experience, according to Symmatrics. He currently serves as vice president and strategic account executive for the Intelligence Community at Leidos.
What role has Hallman taken at Symmatrics?
He has joined the company’s Strategic Advisory Board. Symmatrics has not disclosed specific duties, time commitments, or compensation for the position.
What does Symmatrics make?
Symmatrics says it is developing cybersecurity products based on One-Time Pad Symmetric Key encryption, with protections for data in motion and at rest. The company says its products are designed to address AI-driven and post-quantum security concerns.
Has Symmatrics’ security technology been independently validated?
The appointment announcement did not include independent evaluations, test results, or named customer deployments. Its descriptions of the technology’s security capabilities are company claims.
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