Greylock McKinnon Associates (GMA), a prominent U.S. consulting firm, disclosed a significant data breach affecting approximately 341,650 individuals. The breach, which occurred in May 2023, compromised personal and Medicare information, including Social Security numbers. Despite the severity of the breach, questions arose regarding GMA's nine-month delay in notifying victims. Efforts to obtain comments from GMA and their legal representatives were unsuccessful, leaving many unanswered questions. This breach highlights the ongoing threat of cybercrime and underscores the importance of robust cybersecurity measures.