In October 2020, the Indian grocery platform bigbasket suffered a data breach that exposed over 20 million customer records. The data was originally sold before being leaked publicly in April the following year and included email, IP and physical addresses, names, phones numbers, dates of birth passwords stored as Django(SHA-1) hashes.

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In March 2021, the manga fan site MangaDex suffered a data breach that resulted in the exposure of almost 3 million subscribers. The data included email and IP addresses, usernames and passwords stored as bcrypt hashes. The data was subsequently circulated within hacking groups.

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In September 2020, the cashback reward program ShopBack suffered a data breach. The incident exposed over 20 million unique email addresses along with names, phone numbers, country of residence and passwords stored as salted SHA-1 hashes. The data was provided to HIBP by dehashed.com.

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In April 2021, the market research surveys company ClearVoice Surveys had a publicly facing database backup from 2015 taken and redistributed on a popular hacking forum. The data included 15M unique email addresses across more than 17M rows of data that also included names, physical and IP addresses, genders, dates of birth and plain text passwords. ClearVoice Surveys advised they were aware of the breach and confirmed its authenticity.

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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.

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In April 2021, a large data set of 533 million Facebook users was made freely available for download. Encompassing approximately 20% of Facebook's subscribers, the data was allegedly obtained by exploiting a vulnerability Facebook advises they rectified in August 2019. The primary value of the data is the association of phone numbers to identities; whilst each record included phone, only 2.5 million contained an email address. Most records contained names and genders with many also including dates of birth, location, relationship status and employer.

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In January 2021, the lead generation company Astoria Company allegedly suffered a data breach which exposed over 11M unique email addresses. The data was discovered by Night Lion Security and contained an extensive amount of personal information including names, physical and IP addresses, phone numbers and dates of birth. Some records also contained social security numbers, drivers license details, personal financial information and health-related data, depending on where the information was sourced from. When approached by the press, Astoria did not confirm the origin of the breach and it has consequently been flagged as “unverified” in HIBP.

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In March 2020, the self-proclaimed “kinder, smarter social network” Liker suffered a data breach, allegedly in retaliation for the Gab data breach and scraping of data from Parler. The site remained offline after the breach which exposed 465k email addresses in addition to names, dates of birth, education levels, private messages, security questions and answers in plain text, passwords stored as bcrypt hashes and other personal data attributes. Liker did not respond when contacted about the breach.

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In December 2020, the Oklahoma state Tourism and Recreation Department suffered a data breach. The incident exposed 637k email addresses across a variety of tables including age ranges against brochure orders and dates of birth against contest entries. Genders, names and physical addresses were also exposed. The data was provided to HIBP by a source who requested it be attributed to “badhou3a”.

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In January 2021, Oxfam Australia was the victim of a data breach which exposed 1.8M unique email addresses of supporters of the charity. The data was put up for sale on a popular hacking forum and also included names, phone numbers, addresses, genders and dates of birth. A small number of people also had partial credit card data exposed (the first 6 and last 3 digits of the card, plus card type and expiry) and in some cases the bank name, account number and BSB were also exposed. The data was subsequently made freely available on the hacking forum later the following month.

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