One of the reasons there have not been as many cybersecurity-related securities lawsuits as some commentators (including me) expected is that the plaintiffs’ track record in the cases that have been filed has been decidedly mixed. To be sure, there have been some very noteworthy successes for the plaintiffs, including the Equifax cybersecurity-related securities suit, which settled for $149 million. But though there have been some noteworthy successes, many of the other cybersecurity related securities suits have ended in dismissal.
Among the more significant recent cybersecurity-related securities suit dismissals was the ruling in the securities lawsuit relating to the massive Marriott data breach. Now, on appeal, the Fourth Circuit has affirmed the district court’s dismissal in the Marriott case, the latest in a series of high-profile setbacks plaintiffs have experienced in cybersecurity-related securities suits. A copy of the Fourth Circuit’s April 21, 2022 opinion can be found here.
Continue Reading Fourth Circuit Affirms Dismissal of Marriott Data Breach-Related Securities Suit
Last month, when the Delaware Court of Chancery
Shortly after Marriott International’s November 2018 announcement that it had uncovered a data breach in the guest registration system of Starwood (which Marriott had acquired two years earlier), the company was hit with a raft of litigation, including both securities class action lawsuits and shareholder derivative lawsuits. In twin June 11, 2021 opinions, the federal district judge presiding over the various Marriott data breach-related lawsuits granted the defendants’ motions to dismiss both the consolidated securities suits and the consolidated derivative suits. The lengthy and detailed opinions make for interesting reading and underscore the challenge plaintiffs face in trying to turn a cybersecurity incident into a D&O claim. The opinion in the securities suit can be found 

When news of the recent massive data breach at Marriott began circulating late last week, a colleague emailed and asked me how long I thought it would take for a D&O lawsuit to be filed. I emailed back that I thought there would be a securities class action lawsuit before the end of business on Monday (December 3). Turns out, I didn’t give the plaintiffs’ lawyers nearly enough credit for haste. The plaintiffs’ lawyers managed to file a securities class action lawsuit against the company on December 1, 2018, just one day after Marriott announced the breach. The lawsuit is the latest example both of a data breach-related D&O lawsuit and an event-driven securities suit, as discussed further below.