A Caremark­-based claim against a board of directors alleging a failure to monitor corporate operations has been said to be “the most difficult theory in corporation law upon which a plaintiff might hope to win a judgment,” or at least to withstand a motion to dismiss.  Yet, Caremark has taken on renewed importance following recent high-profile successes on duty-to-oversee claims, most notably in Marchand v. Barnhill in 2019 and In re Boeing in September 2021, and recent shareholder lawsuits alleging that data breach- and cybersecurity-related failures would have been preventable were it not for oversight failures by corporate officers and directors, are being plead asserting Caremark claims. (more…)