U.S. District Court for the Northern District of Illinois

A class action lawsuit was filed in Illinois federal court against Abbott Laboratories and its subsidiary Exact Sciences over a data breach involving unauthorized access to patient information. The breach, attributed to cybercriminal group ShinyHunters via a voice phishing attack, exposed sensitive data including Social Security numbers, email addresses, and physical addresses from at-home cancer screening tests.

Commercial landlords and brokers filed a class-action lawsuit against CoStar Inc., alleging it facilitated a hub-and-spoke conspiracy by collecting and redistributing confidential lease data, enabling competitors to collude on pricing and violating the Sherman Act. The lawsuit claims CoStar's data monopoly allowed brokers and landlords to exchange sensitive rental information, leading to supra-competitive rents.