Top 10 Data Breaches of All Time [Infographic] 1. Yahoo – 3,000,000,000 records lost. ... River City Media – 1,370,000,000 records lost. ... Aadhaar – 1,100,000,000 records lost. ... Spambot – 711,000,000 records lost. ... 5. Facebook – 533,000,000 records lost. ... Syniverse – 500,000,000 records lost. ... 7. Yahoo – 500,000,000 records lost. More items... Mar 25, 2022