Breaches

In late October 2025, data breached from the Hungarian political party TISZA was published online before being extensively redistributed. Stemming from a compromise of the TISZA Világ service earlier in the month, the breach exposed 200k records of personal data including email addresses along with names, phone numbers and physical addresses.

Email addresses · Names · Phone numbers · Physical addresses · Usernames

During 2025, the threat-intelligence firm Synthient aggregated 2 billion unique email addresses disclosed in credential-stuffing lists found across multiple malicious internet sources. Comprised of email addresses and passwords from previous data breaches, these lists are used by attackers to compromise other, unrelated accounts of victims who have reused their passwords. The data also included 1.3 billion unique passwords, which are now searchable in Pwned Passwords. Working to turn breached data into awareness, Synthient partnered with HIBP to help victims of cybercrime understand their exposure.

Email addresses · Passwords

In October 2025, the data of almost 4M MyVidster users was posted to a public hacking forum. Separate to the 2015 breach, this incident exposed usernames, email addresses and in a small number of cases, profile photos.

Email addresses · Profile photos · Usernames

During 2025, Synthient aggregated billions of records of "threat data" from various internet sources. The data contained 183M unique email addresses alongside the websites they were entered into and the passwords used. After normalising and deduplicating the data, 183 million unique email addresses remained, each linked to the website where the credentials were captured, and the password used. This dataset is now searchable in HIBP by email address, password, domain, and the site on which the credentials were entered.

Email addresses · Passwords

In September 2025, Prosper announced that it had detected unauthorised access to their systems, which resulted in the exposure of customer and applicant information. The data breach impacted 17.6M unique email addresses, along with other customer information, including US Social Security numbers. Prosper advised that they did not find any evidence of unauthorised access to customer accounts and funds, and that their customer-facing operations were uninterrupted. Further information about the incident is contained in Prosper's FAQs.

Browser user agent details · Credit status information · Dates of birth · Email addresses · Employment statuses · Government issued IDs · Income levels · IP addresses · Names · Physical addresses

In July 2025, the sexual healthcare product maker Hello Cake suffered a data breach. The data was subsequently posted on a public hacking forum and included 23k unique email addresses along with names, phone numbers, physical addresses, dates of birth and purchases.

Dates of birth · Email addresses · Names · Phone numbers · Physical addresses · Purchases

In October 2025, data stolen from the Salesforce instances of multiple companies by a hacking group calling itself "Scattered LAPSUS$ Hunters" was publicly released. Among the affected organisations was Vietnam Airlines, which had 7.3M unique customer email addresses exposed following a breach of its Salesforce environment in June of that year. The compromised data also included names, phone numbers, dates of birth, and loyalty program membership numbers.

Dates of birth · Email addresses · Loyalty program details · Names · Phone numbers

In February 2025, data obtained from an earlier Adpost breach surfaced. The dataset contained 3.3M records including email addresses, usernames, and display names. Adpost later published a disclosure notice and advised they'd forced a credential refresh, among other actions.

Email addresses · Names · Usernames

In August 2025, the "marketplace that connects artists to prospective clients" Artists&Clients, suffered a data breach and subsequent ransom demand of US$50k. The data was subsequently leaked publicly and included 95k unique email addresses alongside usernames, IP addresses and bcrypt password hashes.

Email addresses · IP addresses · Passwords · Usernames

In April 2020, now defunct Brazilian e-commerce platform HomeRefill suffered a data breach that was later redistributed as part of a larger corpus of data. The data included 187k unique email addresses along with names, phone numbers, dates of birth and salted password hashes.

Dates of birth · Email addresses · Names · Passwords · Phone numbers

In August 2022, the Latest Pilot Jobs website suffered a data breach that later appeared on a popular hacking forum before being redistributed as part of a larger corpus of data. The data included 119k unique email addresses along with names, usernames and unsalted MD5 password hashes.

Email addresses · Names · Passwords · Usernames

In September 2024, French retailer Cultura was the victim of a cyber attack they attributed to an external IT service provider. The resultant data breach included almost 1.5M unique email addresses along with names, phone numbers, physical addresses and orders. Cultura advised that all affected customers had been notified about the incident.

Email addresses · Names · Phone numbers · Physical addresses · Purchases

In August 2025, the French telecommunications company Bouygues Telecom detected a cyber attack against their services. The incident resulted in a data breach that exposed almost 6.4M customer records, including 5.7M unique email addresses. The breach also exposed names, physical addresses, phone numbers, dates of birth and IBANs (International Bank Account Numbers). Bouygues Telecom advised that all affected customers had been notified about the incident.

Bank account numbers · Dates of birth · Email addresses · Names · Phone numbers · Physical addresses

In October 2021, the now defunct Arabic language Anime website Animeify suffered a data breach that was later redistributed as part of a larger corpus of data. The data included 808k unique email addresses along with names, usernames, genders and plain text passwords.

Email addresses · Genders · Names · Passwords · Usernames

In February 2017, the forum for the adult website FreeOnes suffered a data breach that was later redistributed as part of a larger corpus of data. The data included 960k unique email addresses alongside usernames, IP addresses and salted MD5 password hashes.

Email addresses · IP addresses · Passwords · Usernames

In August 2025, the Swedish system supplier Miljödata was the victim of a ransomware attack. Following the attack, data was subsequently published on the dark web and included 870k unique email addresses across various compromised files. Data also included names, phone numbers, physical addresses, dates of birth and government-issued personal identity numbers.

Dates of birth · Email addresses · Genders · Government issued IDs · Names · Phone numbers · Physical addresses

In August 2025, over 1M unique email addresses appeared in a breach allegedly obtained from Italian fashion designer Giglio. The data also included names, phone numbers and physical addresses. Giglio did not respond to repeated attempts to disclose the incident.

Email addresses · Names · Phone numbers · Physical addresses

In June 2025, 107k unique customer email addresses were allegedly obtained from TheSqua.re, the "easiest way to find your next serviced apartment". The data also included names, phone numbers and cities which were subsequently posted to a popular hacking forum. TheSqua.re did not respond to repeated attempts to disclose the incident, however multiple impacted HIBP subscribers confirmed the legitimacy and accuracy of the data.

Email addresses · Geographic locations · Names · Phone numbers

In July 2025, Allianz Life was the victim of a cyber attack which resulted in millions of records later being leaked online. Allianz attributed the attack to "a social engineering technique" which targeted data on Salesforce and resulted in the exposure of 1.1M unique email addresses, names, genders, dates of birth, phone numbers and physical addresses.

Dates of birth · Email addresses · Genders · Names · Phone numbers · Physical addresses

In June 2025, headlines erupted over a "16 billion password" breach. In reality, the dataset was a compilation of publicly accessible stealer logs, mostly repurposed from older leaks, with only a small portion of genuinely new material. HIBP received 2.7B rows containing 109M unique email addresses, which was subsequently added to the service under the name "Data Troll". The websites the stealer logs were captured against are searchable via the HIBP dashboard.

Email addresses · Passwords