On January 12, 2021, the District Court of the District of Columbia was the latest court to grant a motion to compel production of a forensic report prepared by an external security-consulting firm in data breach litigation.¹ This case involved a cyberattack on a law firm that led to the public dissemination of the confidential information of the plaintiff, who was a former client of the firm. The plaintiff moved to compel his former law firm to produce “all reports of its forensic investigation into the cyberattack.”² The defendant asserted that it had produced all relevant materials, including materials related to a second-track investigation conducted by its usual cybersecurity vendor, eSentire, for business continuity purposes. However, the plaintiff also sought a report prepared by Duff & Phelps, who was retained by the defendant’s outside litigation counsel. The defendant argued the Duff & Phelps report was protected by the work-product and attorney-client privileges. The court rejected the defendant’s arguments and ordered production of the Duff & Phelps report and associated materials.
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