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LinkedIn
May 5, 2012
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[ hack, misconfiguration, technology ]
In May 2016, LinkedIn had 164 million email addresses and passwords exposed. Originally hacked in 2012, the data remained out of sight until being offered for sale on a dark market site 4 years later. The passwords in the breach were stored as SHA1 hashes without salt, the vast majority of which were quickly cracked in the days following the release of the data.
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Kayo.moe Credential Stuffing List
September 11, 2018
In September 2018, a collection of almost 42 million email address and plain text password pairs was uploaded to the anonymous file sharing service kayo.moe. The operator of the service contacted HIBP to report the data which, upon further investigation, turned out to be a large credential stuffing list. For more information, read about The 42M Record kayo.moe Credential Stuffing Data.
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JoomlArt
January 30, 2018
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[ leak, misconfiguration, technology ]
In January 2018, the Joomla template website JoomlArt inadvertently exposed more than 22k unique customer records in a Jira ticket. The exposed data was from iJoomla and JomSocial, both services that JoomlArt acquired the previous year. The data included usernames, email addresses, purchases and passwords stored as MD5 hashes. When contacted, JoomlArt advised they were aware of the incident and had previously notified impacted parties.
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hackforums.net
June 25, 2011
In June 2011, the hacktivist group known as "LulzSec" leaked one final large data breach they titled "50 days of lulz". The compromised data came from sources such as AT&T, Battlefield Heroes and the hackforums.net website. The leaked Hack Forums data included credentials and personal information of nearly 200,000 registered forum users.
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ShareThis
July 9, 2018
In July 2018, the social bookmarking and sharing service ShareThis suffered a data breach. The incident exposed 41 million unique email addresses alongside names and in some cases, dates of birth and password hashes. In 2019, the data appeared listed for sale on a dark web marketplace (along with several other large breaches) and subsequently began circulating more broadly. The data was provided to HIBP by dehashed.com.
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Guntrader
July 17, 2021
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[ hack, retail ]
In July 2021, the United Kingdom based website Guntrader suffered a data breach that exposed 112k unique email addresses. Extensive personal information was also exposed including names, phone numbers, geolocation data, IP addresses and various physical address attributes (cities for all users, complete addresses for some). Passwords stored as bcrypt hashes were also exposed.
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eThekwini Municipality
September 7, 2016
In September 2016, the new eThekwini eServices website in South Africa was launched with a number of security holes that lead to the leak of over 98k residents' personal information and utility bills across 82k unique email addresses. Emails were sent prior to launch containing passwords in plain text and the site allowed anyone to download utility bills without sufficient authentication. Various methods of customer data enumeration was possible and phishing attacks began appearing the day after launch.
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Tout
September 11, 2014
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[ leak, technology ]
In approximately September 2014, the now defunct social networking service Tout suffered a data breach. The breach subsequently appeared years later and included 653k unique email addresses, names, IP addresses, the location of the user, their bio and passwords stored as bcrypt hashes. The data was provided to HIBP by a source who requested it to be attributed to "nmapthis@protonmail.com".
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Muah.AI
September 17, 2024
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[ leak, technology ]
In September 2024, the "AI girlfriend" website Muah.AI suffered a data breach. The breach exposed 1.9M email addresses alongside prompts to generate AI-based images. Many of the prompts were highly sexual in nature, with many also describing child exploitation scenarios.
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Mate1.com
February 29, 2016
In February 2016, the dating site mate1.com suffered a huge data breach resulting in the disclosure of over 27 million subscribers' information. The data included deeply personal information about their private lives including drug and alcohol habits, incomes levels and sexual fetishes as well as passwords stored in plain text.
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Knuddels
September 5, 2018
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[ leak, misconfiguration, technology ]
In September 2018, the German social media website Knuddels suffered a data breach. The incident exposed 808k unique email addresses alongside usernames, real names, the city of the person and their password in plain text. Knuddels was subsequently fined 20k for the breach.
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Havenly
June 25, 2020
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[ leak, retail ]
In June 2020, the interior design website Havenly suffered a data breach which impacted almost 1.4 million members of the service. The exposed data included email addresses, names, phone numbers, geographic locations and passwords stored as SHA-1 hashes, all of which was subsequently shared extensively throughout online hacking communities. The data was provided to HIBP by dehashed.com.
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GiveSendGo
February 7, 2022
In February 2022, the Christian fundraising service GiveSendGo suffered a data breach which exposed the personal data of 90k donors to the Canadian "Freedom Convoy" protest against vaccine mandates. The breach exposed names, email addresses, post codes, donation amount and comments left at the time of donation.
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DemandScience by Pure Incubation
February 28, 2024
In early 2024, a large corpus of data from DemandScience (a company owned by Pure Incubation), appeared for sale on a popular hacking forum. Later attributed to a leak from a decommissioned legacy system, the breach contained extensive data that was largely business contact information aggregated from public sources. Specifically, the data included 122M unique corporate email addresses, physical addresses, phone numbers, employers and job titles. It also included names and for many individuals, a link to their LinkedIn profile.
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Data & Leads
November 14, 2018
In November 2018, security researcher Bob Diachenko identified an unprotected database believed to be hosted by a data aggregator. Upon further investigation, the data was linked to marketing company Data & Leads. The exposed Elasticsearch instance contained over 44M unique email addresses along with names, IP and physical addresses, phone numbers and employment information. No response was received from Data & Leads when contacted by Bob and their site subsequently went offline.
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Chris Leong
August 10, 2024
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[ hack, malware, healthcare ]
In August 2024, the website of Master Chris Leong "a leading Tit Tar practitioner in Malaysia" suffered a data breach. The incident exposed 27k unique email addresses along with names, physical addresses, dates of birth, genders, nationalities and in many cases, links to Facebook profiles. The company did not respond when contacted about the breach.
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Bulgarian National Revenue Agency
July 15, 2019
In July 2019, a massive data breach of the Bulgarian National Revenue Agency began circulating with data on 5 million people. Allegedly obtained in June, the data was broadly shared online and included taxation information alongside names, phone numbers, physical addresses and 471 thousand unique email addresses. The breach is said to have affected "nearly all adults in Bulgaria".
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Wife Lovers
October 7, 2018
In October 2018, the site dedicated to posting naked photos and other erotica of wives Wife Lovers suffered a data breach. The underlying database supported a total of 8 different adult websites and contained over 1.2M unique email addresses. Wife Lovers acknowledged the breach which impacted names, usernames, email and IP addresses and passwords hashed using the weak DEScrypt algorithm. The breach has been marked as "sensitive" due to the nature of the site.
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SpyX
June 24, 2024
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[ leak, malware, technology ]
In June 2024, spyware maker SpyX suffered a data breach that exposed almost 2M unique email addresses. The breach also exposed IP addresses, countries of residence, device information and 6-digit PINs in the password field. Further, a collection of iCloud credentials likely used to monitor targets directly via the cloud were also in the breach and contained the target's email address and plain text Apple password.
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Roll20
December 26, 2018
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[ hack, technology ]
In December 2018, the tabletop role-playing games website Roll20 suffered a data breach. Almost 4 million customers were impacted by the breach and had email and IP addresses, names, bcrypt hashes of passwords and the last 4 digits of credit cards exposed. The data was provided to HIBP by a source who requested it be attributed to "JimScott.Sec@protonmail.com".
