Pillar Security, an emerging force in AI-focused cybersecurity, has announced the appointment of Brandon Dixon to its Advisory Board as Strategic Advisor.
Dixon brings a track record of innovation across both startups and enterprise security platforms. He co-founded PassiveTotal, a threat intelligence company later acquired by RiskIQ, where he was instrumental in shaping its product strategy. After Microsoft purchased RiskIQ, Dixon continued to influence security innovation, spearheading initiatives around Defender Threat Intelligence and External Attack Surface Management. Most recently, he played a key role in developing and launching Microsoft Security Copilot.
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“Brandon embodies the blend of entrepreneurial vision and enterprise expertise that drives our mission,” said Dor Sarig, CEO and Co-founder of Pillar Security. “His experience with Microsoft Security Copilot gives him unique insight into how organizations can embrace AI while addressing its risks. That perspective will be invaluable as we strengthen trust in AI-powered systems.”
Sharing his enthusiasm for the role, Dixon noted: “Pillar is approaching AI security in a way I haven’t seen before. Their platform not only protects AI—it understands it at a core level. The company is anticipating where new AI-driven threats will surface, and they’re already building the solutions enterprises will need to defend against them.”
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Industry peers echoed this sentiment. Elias Manousos, lead investor at Shield Capital and former Microsoft Corporate Vice President for Security Copilot and Threat Intelligence, remarked: “Few professionals have influenced both the evolution of threat intelligence and the rise of AI security like Brandon. His expertise will be a major advantage as Pillar scales to meet the growing demand for AI-first security.”
With Dixon’s appointment, Pillar Security looks to accelerate its growth and solidify its reputation as a trusted partner for enterprises navigating the rapidly shifting AI security landscape.
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