ALPHV/BlackCat claimed responsibility for the breach, detected 5 February 2024 (breach date 4 February). Initial SEC disclosure in February cited ~36,000 potential victims; updated notification to Maine AGO in July 2024 revised the figure to 2,556,210 individuals. Stolen data included names, addresses, driver’s licence numbers, and non-driver ID card numbers. Prudential offered 24 months of Kroll credit monitoring. This breach occurred roughly two weeks before the more impactful Change Healthcare attack by the same ALPHV group.