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Landmark Admin notifies 807K of data breach after ransomware attack compromised SSNs, financial and medical info

Yesterday, Landmark Admin, LLC (a third-party administrator for life insurance companies) confirmed that 806,519 people were involved in a data breach stemming from a ransomware attack in May, 2024. Landmark Admin had previously filed breach notifications in June but has only just confirmed the staggering number of people it involves. This is the sixth-largest ransomware attack on a US financial…