Appen

In June 2020, the AI training data company Appen suffered a data breach exposing the details of almost 5.9 million users which were subsequently sold online. Included in the breach were names, email addresses and passwords stored as bcrypt hashes. Some records also contained phone numbers, employers and IP addresses. The data was provided to HIBP by dehashed.com.

Record: 5.9 million

Scentbird

In June 2020, the online fragrance service Scentbird suffered a data breach that exposed the personal information of over 5.8 million customers. Personal information including names, email addresses, genders, dates of birth, passwords stored as bcrypt hashes and indicators of password strength were all exposed. The data was provided to HIBP by breachbase.pw.

Record: 5.8 million

Elasticsearch Instance of Sales Leads on AWS

In October 2018, security researcher Bob Diachenko identified multiple exposed databases with hundreds of millions of records. One of those datasets was an Elasticsearch instance on AWS containing sales lead data and 5.8M unique email addresses. The data contained information relating to individuals and the companies they worked for including their names, email addresses and company name and contact information. Despite best efforts, it was not possible to identify the owner of the data hence t

Record: 5.8 million

Aditya Birla Fashion and Retail

In December 2021, Indian retailer Aditya Birla Fashion and Retail Ltd was breached and ransomed. The ransom demand was allegedly rejected and data containing 5.4M unique email addresses was subsequently dumped publicly on a popular hacking forum the next month. The data contained extensive personal customer information including names, phone numbers, physical addresses, DoBs, order histories and passwords stored as MD5 hashes. Employee data was also dumped publicly and included salary grades, m

Record: 5.5 million

Phone House España

In April 2021, the Spanish retailer Phone House allegedly suffered a ransomware attack that also exposed significant volumes of customer data. Attributed to the Babuk ransomware, a collection of data alleged to be a subset of a larger corpus was posted to a dark web site and contained 5.2M email addresses along with names, nationalities, genders, dates of birth, phone numbers and physical addresses. Phone House has been threatened with further releases if a ransom is not paid.

Record: 5.2 million

Stronghold Kingdoms

In July 2018, the massive multiplayer online game Stronghold Kingdoms suffered a data breach. Almost 5.2 million accounts were impacted by the incident which exposed emails addresses, usernames and passwords stored as salted SHA-1 hashes. The data was provided to HIBP by a source who requested it be attributed to "JimScott.Sec@protonmail.com".

Record: 5.2 million

Kickstarter

In February 2014, the crowdfunding platform Kickstarter announced they'd suffered a data breach. The breach contained almost 5.2 million unique email addresses, usernames and salted SHA1 hashes of passwords.

Record: 5.2 million

Leet

In August 2016, the service for creating and running Pocket Minecraft edition servers known as Leet was reported as having suffered a data breach that impacted 6 million subscribers. The incident reported by Softpedia had allegedly taken place earlier in the year, although the data set sent to HIBP was dated as recently as early September but contained only 2 million subscribers. The data included usernames, email and IP addresses and SHA512 hashes. A further 3 million accounts were obtained an

Record: 5.1 million

Yatra

In September 2013, the Indian bookings website known as Yatra had 5 million records exposed in a data breach. The data contained email and physical addresses, dates of birth and phone numbers along with both PINs and passwords stored in plain text. The site was previously reported as compromised on the Vigilante.pw breached database directory.

Record: 5.0 million

Zhenai.com

In December 2011, the Chinese dating site known as Zhenai.com suffered a data breach that impacted 5 million subscribers. Whilst there is evidence that the data is legitimate, due to the difficulty of emphatically verifying the Chinese breach it has been flagged as "unverified". The data in the breach contains email addresses and plain text passwords. Read more about Chinese data breaches in Have I Been Pwned.

Record: 5.0 million