The Equifax malicious outsider breach has a BLI score of 10 based on 143,000,000 records compromised. According to Equifax, cybercriminals "exploited a U.S. website application vulnerability to gain access to certain files." The hackers accessed personal information such as names, Social Security numbers, birth dates, addresses, credit card numbers and the numbers of some drivers licenses.
Motor Vehicles Department in Kerala, India
Score: 9.9 200,000,000 Records
The department suffered a data breach by a malicious outsider that led to the theft of 200 million records and rated a BLI score of 9.9. The database maintained by the motor vehicles department was compromised during the attack, and as a result, vehicle registration details were exposed, according to Data Breaches.net and India media publication.
River City Media
Score: 9.8 1,340,000,000 Records
The data breach against the huge email marketing organization resulted in the theft of a staggering 1.34 billion records. This generated a BLI score of 9.8. River City Media failed to safeguard backups of its database of billion email accounts, resulting in all that user information being available for anyone to see, according to an article in Fortune.
Deep Root Analytics/ Republican National Committee
Score: 9.6 198,000,000 Records
Deep Root Analytics, a media firm contracted by the RNC, experienced a data breach involving 198 million records. The breach was an identity theft attack that resulted in the accidental loss of data and rated a BLI score of 9.6. According to Fortune, the breach exposed the personal data of U.S. voters, with more than a terabyte of data stored on a publicly accessible server affected.
Score: 9.1 17,000,000 Records
The restaurant app experienced an account access breach by a malicious outsider that
exposed 17 million records, for a BLI score of 9.1. According to Engadget. The attacker infiltrated Zomatos system and got away with 17 million users IDs, usernames, names, email addresses and hashed passwords. The service says no payment information was stolen since credit card details are stored separately.
The National Health Service (NHS)
Score: 9.0 26,000,000 Records
Britains national health services organization experienced an accidental loss breach that involved 26 million records and earned a BLI score of 9.0. The breach exposed the medical records of patients held by 2,700 practices, according to The Telegraph. Millions
of patients had no idea if their records had been compromised, and the attack meant that
receptionists, clerical staff, healthcare assistants and medics working in pharmacies, hospitals, and other locations could look up sensitive information about individuals, the article said.