Biggest Data Breaches

Each of the most recent biggest data breaches resulted in the exposure of huge amounts of personal information and identities

Notable Data Breaches

Adult FriendFinder


Score: 10.0
412,214,295 Records

The adult dating Web site was hacked by a malicious outsider that resulted in the exposure of 412,214,295 million records. The attack had a BLI score of 10. According to Ars Technica, the hacked database appears to be one of the largest ever single data breaches in history and contained account details for numerous adult properties belonging to the California-based Friend Finder Network. The information stolen includes customers' e-mail addresses, IP addresses last used to log-in to the site, and passwords.

Philippines' Commission on Elections


Score: 9.8
77,736,795 Records

The data breach against the commission, an identity theft attack by a malicious outsider, resulted in the theft of 77.7 million records. The BLI score was 9.8. The breach appeared to contain millions of fingerprint records, despite officials claiming the leak did not include biometrics, according to Wired.


Score: 9.8
40,000,000 Records

The adult dating Web site was hit with an identity theft breach by a malicious outsider that resulted in the exposure of 40 million records. The attack had a BLI score of 9.8. Tens of millions of credentials stolen from the site were put up for sale on the dark web, according to International Business Times. The information reportedly included email addresses, plain text passwords, usernames, IP addresses and date of birth records.

17 Media


Score: 9.7
30,000,000 Records

The software company's photo sharing and video streaming app 17 was hacked, resulting in the theft of 30 million records. The identify theft attack was committed by a malicious outsider and received a BLI score of 9.7. According to Motherboard, the hacker advertised email addresses, passwords, phone numbers, and other information from users.

Daily Motion


Score: 9.5
85,000,000 Records

The video sharing platform experienced an account access breach resulting in the theft of 85 million records, for a BLI score of 9.5. News site Bleeping Computer reported that based on samples it received and analyzed the stolen information included user IDs, emails and hashed passwords.



Score: 9.4
34,000,000 Records

According to news reports, millions of people in the Kerala region of India had their data compromised. The incident has a BLI score of 9.4. 34 million Keralites were affected by the massive data leak of sensitive information such as income, name, date of birth and other personal identifiable information.

Evony Gaming Company


Score: 9.4
33,407,472 Records

Over 33 million gamers using the website Evony Gaming Company had their account information stolen. The account access attack resulted in a BLI score of 9.4

Top Scoring Data Breaches

Organization BreachedRecords BreachedDate of BreachType of BreachSource of BreachLocationIndustryRisk Score
JPMorgan Chase83,000,00008/27/14Identity TheftMalicious OutsiderUnited StatesFinancial10.0
Korea Credit Bureau, NH Nonghyup Card, Lotte Card, KB Kookmin Card104,000,00001/20/14Identity TheftMalicious InsiderSouth KoreaFinancial10.0
Target110,000,00011/04/13Financial AccessMalicious OutsiderUnited StatesRetail 10.0
Home Depot109,000,00009/02/14Financial AccessMalicious OutsiderUnited StatesRetail 10.0
MySpace360,000,00006/11/13Account AccessMalicious OutsiderUnited StatesOther10.0
Anthem Insurance Companies (Anthem Blue Cross)78,800,00001/27/15Identity TheftState SponsoredUnited StatesHealthcare10.0
Friend Finder Networks412,214,29510/16/16Existential DataMalicious OutsiderUnited StatesEntertainment10.0
eBay145,000,00005/21/14Identity TheftMalicious OutsiderUnited StatesRetail 10.0
River City Media1,340,000,00003/06/17Account AccessAccidental LossUnited StatesEntertainment10.0
Adobe Systems, Inc152,000,00009/18/13Financial AccessMalicious OutsiderUnited StatesTechnology10.0

Breach Risk Calculator

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