Instagram (6.2M accounts)Read More
In January 2026, data allegedly scraped via an Instagram API was posted to a popular hacking forum. The dataset contained 17M rows of public Instagram information, including usernames, display names, account IDs, and in some cases, geolocation data. Of these records, 6.2M included an associated email address, and some also contained a phone number. The scraped data appears to be unrelated to password reset requests initiated on the platform, despite coinciding in timeframe. There is no evidence that passwords or other sensitive data were compromised. (Published: Jan 11, 2026 GMT, 4:59 PM)
BreachForums (2025) (672.2K accounts)Read More
In October 2025, a reincarnation of the hacking forum BreachForums, which had previously been shut down multiple times, was taken offline by a coalition of law enforcement agencies. In the months leading up to the takedown, the site itself suffered a data breach that exposed a total of 672k unique email addresses across all tables, including within forum posts and private messages. The users table alone contained 324k unique email addresses, usernames, and Argon2 password hashes. (Published: Jan 10, 2026 GMT, 11:06 AM)
WhiteDate (6.1K accounts)Read More
In December 2025, the dating website "for a Europid vision" WhiteDate suffered a data breach that exposed 6k unique email addresses. The breach exposed extensive further personal information including data related to physical appearance, income, education and IQ. (Published: Jan 6, 2026 GMT, 6:26 AM)
WIRED (2.4M accounts)Read More
In December 2025, 2.3M records of WIRED magazine users allegedly obtained from parent company Condé Nast were published online. The most recent data dated back to the previous September and exposed email addresses and display names, as well as, for a small number of users, their name, phone number, date of birth, gender, and geographic location or full physical address. The WIRED data allegedly represents a subset of Condé Nast brands the hacker also claims to have obtained. (Published: Dec 27, 2025 GMT, 11:29 PM)
Utair (401.4K accounts)Read More
In August 2020, news broke of a data breach of Russian airline Utair that dated back to the previous year. The breach contained over 400k unique email addresses along with extensive personal information including names, physical addresses, dates of birth, passport numbers and loyalty program details. (Published: Dec 26, 2025 GMT, 4:28 AM)
Медицинская лаборатория Гемотест (Gemotest) (6.3M accounts)Read More
In April 2022, Russian pharmaceutical company Gemotest suffered a data breach that exposed 31 million patients. The data contained 6.3 million unique email addresses along with names, physical addresses, dates of birth, passport and insurance numbers. Gemotest was later fined for the breach. (Published: Dec 24, 2025 GMT, 2:40 AM)
AUTOSUR (487.2K accounts)Read More
In March 2025, the French vehicle inspection company AUTOSUR suffered a data breach exposing over 10M customer records, though only 487k unique email addresses were present. The compromised data included names, phone numbers, physical addresses, and vehicle details such as make and model, VIN, and registration plate. AUTOSUR later issued a disclosure notice with further details. (Published: Dec 18, 2025 GMT, 5:09 AM)
The Botting Network (96.3K accounts)Read More
In August 2012, the forum for making money with botting "The Botting Network" suffered a data breach that exposed 96k user records. The now defunct vBulletin forum leaked 96k email addresses, usernames, dates of birth and salted MD5 password hashes. (Published: Dec 18, 2025 GMT, 1:33 AM)
Web Hosting Talk (515.1K accounts)Read More
In July 2016, the Web Hosting Talk forum suffered a data breach that was subsequently listed for sale. The breach of the vBulletin based forum exposed 515k user records including usernames, email addresses, IP addresses and salted MD5 password hashes. (Published: Dec 17, 2025 GMT, 10:43 PM)
KinoKong (817.8K accounts)Read More
In March 2021, the Russian online streaming service KinoKong suffered a data breach that was later redistributed as part of a larger corpus of data. The breach exposed over 800k unique email addresses along with names, usernames, IP addresses and MD5 password hashes. (Published: Dec 6, 2025 GMT, 8:13 AM)
Zilvia.net (287.9K accounts)Read More
In November 2025, data breached from the Zilvia.net Nissan 240SX Silvia and Z Fairlady car forum was leaked. The breach exposed 288k unique email addresses along with usernames, IP addresses and salted MD5 password hashes sourced from the vBulletin based platform. Attempts to contact Zilvia.net about the incident were unsuccessful. (Published: Dec 1, 2025 GMT, 7:34 AM)
China Software Developer Network (6.4M accounts)Read More
In 2011, the China Software Developer Network (CSDN) suffered a data breach that exposed over 6M user records. The data included email addresses alongside usernames and plain text passwords. (Published: Nov 27, 2025 GMT, 5:49 AM)
CodeStepByStep (103.1K accounts)Read More
In November 2025, the online coding practice tool CodeStepByStep suffered a data breach that exposed 17k records which were subsequently published online. The following month, a further corpus of data was released bringing the total to 103k. The impacted data included names, usernames and email addresses. (Published: Nov 23, 2025 GMT, 5:54 AM)
ADDA (1.8M accounts)Read More
In March 2025, data allegedly breached from the ADDA housing societies service was posted to a public hacking forum. The data contained over 1.8M unique email addresses along with names, phone numbers and MD5 password hashes. (Published: Nov 23, 2025 GMT, 1:16 AM)
International Kiteboarding Organization (340.3K accounts)Read More
In November 2025, the International Kiteboarding Organization suffered a data breach that exposed 340k user records. The data was subsequently listed for sale on a hacking forum and included email addresses, names, usernames and in many cases, the user's city and country. (Published: Nov 20, 2025 GMT, 10:24 PM)
Beckett Collectibles (1.0M accounts)Read More
In November 2025, Beckett Collectibles experienced a data breach accompanied by website content defacement. The stolen data was later advertised for sale on a prominent hacking forum, with portions subsequently released publicly. The publicly circulating data initially included more than 500k email addresses reportedly belonging to North American customers, before a larger corpus of over 1M addresses was published the following month. The impacted data included names, usernames, phone numbers and physical addresses. (Published: Nov 20, 2025 GMT, 5:41 AM)
Eurofiber (10.0K accounts)Read More
In November 2025, Eurofiber France disclosed a data breach of its ticket management platform. Data containing 10k unique email addresses and a smaller number of names and phone numbers was subsequently leaked. A threat actor claiming responsibility for the breach alleges to have additional, more sensitive data including screenshots, VPN configuration files, credentials, source code, certificates, archives, and SQL backup files. (Published: Nov 20, 2025 GMT, 2:44 AM)
Vultr (187.9K accounts)Read More
In March 2023, the "AI-first global cloud platform" Vultr disclosed a security incident at a third-party vendor. Dating back to the previous year, the incident was attributed to the ActiveCampaign email marketing service provider and resulted in the exposure of 188k unique email addresses. A small number of records also included name, IP address and country of origin. No Vultr systems or additional customer data were impacted. Vultr subsequently self-submitted the impacted data to HIBP. (Published: Nov 20, 2025 GMT, 1:22 AM)
Operation Endgame 3.0 (2.0M accounts)Read More
Between 10 and 13 November 2025, the latest phase of Operation Endgame was coordinated from Europol's headquarters in The Hague. The actions targeted one of the biggest infostealer Rhadamanthys, the Remote Access Trojan VenomRAT, and the botnet Elysium, all of which played a key role in international cybercrime. Authorities took down these three large cybercrime enablers and provided 2 million impacted email addresses and 7.4 million passwords to HIBP. (Published: Nov 13, 2025 GMT, 10:23 AM)
TISZA Világ (198.5K accounts)Read More
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. (Published: Nov 8, 2025 GMT, 9:45 AM)