BREACH & RANSOMWARE

Chainalysis suffered a cyberattack exposing customer names, emails and user IDs, while investigation data and passwords remain safe. Blockchain analytics firm Chainalysis says it was the target of a cybersecurity incident. A threat actor accessed its systems and internal tools and stole some non-sensitive customer data. “This month, Chainalysis detected an external actor using offensive […]

American blockchain analysis firm Chainalysis said it was the target of a cybersecurity incident in which an external actor accessed non-sensitive customer data. However, the company noted that the breach did not result in unauthorized access to its investigation content, authentication credentials, or session tokens. "This month, Chainalysis detected an external actor using offensive agentic

A configuration mismatch in GLM 5.3 on Workers AI triggered an SGLang bug that exposed KV cache pages across requests. Here is how we addressed the issue.

OpenAI says its AI agents uploaded user-provided images to third-party image-hosting services while carrying out research and evaluation tasks. [...]

ShinyHunters hacked and defaced Clop's ransomware leak site, replacing its content with ShinyHunters branding as its own onion site goes offline.

The statement came a day after a hacking group calling itself Black Spark claimed it had spent more than a month inside Microolap’s network and gained access to its internal systems, including EtherSensor, the company's network traffic analysis platform.

The website was hacked on Saturday, when its homepage was replaced with a message displaying a cryptocurrency wallet address and threatening to publish unspecified information about President William Ruto unless the ransom was paid.

透明性は私たちの企業運営の根幹をなすものです。最近発生したサードパーティベンダーによるセキュリティインシデントに関する声明をご覧ください。調査結果および、お客様の情報を保護するために講じた対策について記載しております。

In December 2025, the European Dragonica private server Dragonica Lunaris suffered a data breach. The incident exposed 126k email addresses, usernames, dates of birth and bcrypt password hashes. The service operator confirmed the breach and advised it has since been fixed.

SailPoint disclosed a GitHub repository breach on April 20. The company contained the incident and said no customer data was affected. SailPoint is a cybersecurity company that provides identity security and identity governance solutions for enterprises. Its products help organizations manage and control user access to systems, applications, and sensitive data. SailPoint revealed a cybersecurity […]

In April 2026, the ShinyHunters extortion group listed Vimeo on their extortion portal as part of their "pay or leak" campaign . They subsequently published hundreds of gigabytes of data, predominantly consisting of video titles, technical data and metadata. The data also included 119k unique email addresses, sometimes accompanied by names. Vimeo attributed the exposure to a breach of Anodot, a third-party analytics vendor, and advised the incident does not include "Vimeo video content, valid user login credentials, or payment card information".

In April 2026, the gaming community Reborn Gaming suffered a data breach due to a vulnerability in cPanel and WebHost Manager (WHM) . The breach exposed 126 unique email addresses along with IP addresses and Steam IDs. Reborn Gaming self-submitted the data to Have I Been Pwned.

In April 2026, the gaming community Reborn Gaming suffered a data breach due to a vulnerability in cPanel and WebHost Manager (WHM) . The breach exposed 126 unique email addresses along with IP addresses and Steam IDs. Reborn Gaming self-submitted the data to Have I Been Pwned.

The Dutch National Police (Politie) says a security breach resulting from a successful phishing attack has had a limited impact and hasn't affected citizens' data. [...]

In March 2026, the audio production tools company Sound Radix disclosed a data breach that they subsequently self-submitted to HIBP . The incident impacted 293k unique email addresses and names. Sound Radix advised that it is possible that additional data including hashed passwords may have been exposed, and that no financial or credit card information was impacted.

The Dutch Ministry of Finance confirmed on Monday that some of its systems were breached in a cyberattack detected last week. [...]

In around 2011, the RuneScape Boards forum (also known as RSBoards) suffered a data breach that was later redistributed as part of a larger corpus of data . The vBulletin-based service exposed 223k unique email addresses along with usernames, IP addresses and salted MD5 password hashes.

In early 2026, data purportedly sourced from the recipe and meal planning service Provecho was alleged to have been obtained in a breach. The exposed data included 713k unique email address along with username and the creator account holders followed. Provecho has been notified and is aware of the claims surrounding the incident.

In February 2026, the couples and relationship app Lovora allegedly suffered a data breach that exposed 496k unique email addresses. The data also included users’ display names and profile photos, along with other personal information collected through use of the app. The app’s maker, Plantake, did not respond to multiple attempts to contact them about the incident.

In January 2026, a data breach impacting the French non-profit Association Nationale des Premiers Secours (ANPS) was posted to a hacking forum . The breach exposed 5.6k unique email addresses along with names, dates of birth and places of birth. ANPS self-submitted the data to HIBP and advised the incident was traced back to a legacy system and did not impact health data, financial information or passwords.

In July 2025, a vulnerability in the GiveWP WordPress plugin exposed the names and email addresses of approximately 30k donors to the Pi-hole network-wide ad blocking project . Pi-hole subsequently self-submitted the list of impacted donors to HIBP.

In October 2024, 421k unique email addresses from the virtual earth game Earth 2 were derived from embedded Gravatar images. Appearing alongside player usernames, the root cause was related to how Gravatar presents links to avatars as MD5 hashes within consuming services, a feature Earth 2 advised has now been disabled on their platform. This incident did not expose any further personal information, passwords or financial data.

In August 2023, the Portuguese home decor company Market Moveis suffered a data breach that impacted 28k records. The exposed records were limited to names and email addresses.

In May 2021, the Grand Theft Auto Online cheats website Paragon Cheats suffered a data breach that lead to the shutdown of the service . The breach exposed 188k customer records including usernames, email and IP addresses.

In February 2021, a series of egregiously bad security flaws were identified in the NurseryCam system designed for parents to remotely monitor their children whilst attending nursery. The flaws led to the exposure of over 10k parent records before the service was shut down. The email addresses alone were provided to Have I Been Pwned to ensure parents were properly notified of the incident.

In early 2021, the Polish torrents website Devil-Torrents.pl suffered a data breach. A subset of the data including 63k unique email addresses and cracked passwords were subsequently socialised on a popular data breach sharing service.

In February 2019, the hacking forum Demon Forums suffered a data breach. The compromise of the vBulletin forum exposed 52k unique email addresses alongside usernames and passwords stored as salted MD5 hashes.

In May 2018, the Russian hacking forum Lolzteam suffered a data breach that exposed 400k members . The impacted data included usernames and email addresses which were later redistributed via another hacking forum.

In December 2016, the forum for the biohacking website Biohack.me suffered a data breach that exposed 3.4k accounts. The data included usernames, email addresses and hashed passwords along with the private messages of forum members. The data was self-submitted to HIBP by the Biohack.me operators.

In September 2016, almost 21GB of data from the French website used for "standardised and decentralized means of exchange for publishing newsgroup articles" NemoWeb was leaked from what appears to have been an unprotected Mongo DB. The data consisted of a large volume of emails sent to the service and included almost 3.5M unique addresses, albeit many of them auto-generated. Multiple attempts were made to contact the operators of NemoWeb but no response was received.

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.