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NEWS

Paul Hastings Advises Obsidian Security on $85 Million Series D Financing

August 18, 2026

Paul Hastings LLP advised Obsidian Security, the leading platform securing nonhuman identities and AI agents across third-party applications, on its $85 million Series D financing at a $1.1 billion valuation to scale AI agent security growth.

Partner David Ambler led the Paul Hastings team, which also included of counsel Mary Wilbourn and associates Kristen Casey and Laura Jetter.

More details can be found here.

About Paul Hastings

With widely recognized elite teams across 17 core practices, Paul Hastings is a premier law firm with a culture of excellence focused on providing intellectual capital and superior execution globally to the world’s leading investment banks, asset managers and corporations.

Practice Areas

Emerging Growth Companies

Securities & Capital Markets


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