Official Breach Notices
Not the claims of gangs: data breaches disclosed by organisations, regulators and verified records.
ADT
In April 2026, home security firm ADT confirmed a data breach by ShinyHunters , which listed the company on its website as part of a "pay or leak" extortion attempt. The breach impacted 5.5M unique email addresses along with names, phone numbers and physical addresses. ADT also advised that "in a small percentage of cases, dates of birth and the last four digits of Social Security numbers or Tax IDs were included" and that it had contacted all affected people.
Udemy
In April 2026, online training company Udemy was the victim of a “pay or leak” extortion attempt perpetrated by the ShinyHunters group. The data was subsequently leaked publicly and contained 1.4M unique email addresses belonging to customers and instructors. The data also included names, physical addresses, phone numbers, employer information and instructor payout methods including PayPal, cheque and bank transfer.
Carnival
In April 2026, the notorious hacking collective ShinyHunters claimed they had obtained a substantial volume of data belonging to the Carnival cruise operator and attempted to extort the organisation to prevent the data from being leaked. The following week, the group published the data publicly, which contained 8.7M records with 7.5M unique email addresses. The data contained fields indicating it related to the Mariner Society loyalty program run by Holland America, a cruise line brand under Carnival, and included names, dates of birth, genders and data relating to status within the loyalty program. Carnival acknowledged a phishing incident involving a single user account and advised they were working to better understand the scope of the unauthorised activity.
Amtrak
In April 2026, the hacking group ShinyHunters claimed they had breached Amtrak . The group typically compromises organisations' Salesforce instances before demanding a ransom and later, if not paid, dumping the data publicly. They subsequently published the alleged data which contained over 2M unique email addresses along with names, physical addresses and customer support records.
McGraw Hill
In April 2026, education company McGraw Hill confirmed a data breach following an extortion attempt . Attributed to a Salesforce misconfiguration, the company stated the incident exposed "a limited set of data from a webpage hosted by Salesforce on its platform". More than 100GB of data was later publicly distributed, containing 13.5M unique email addresses across multiple files, with additional fields such as name, physical address and phone number appearing inconsistently across some records.
Hallmark
In March 2026, Hallmark suffered an alleged breach and subsequent extortion after attackers gained access to data stored within Salesforce. The data was later published after the extortion deadline passed, exposing 1.7M unique email addresses across both Hallmark and the Hallmark+ streaming service, along with names, phone numbers, physical addresses and support tickets.
STRYKER CORP
Material cybersecurity incident disclosed to the U.S. Securities and Exchange Commission under Form 8-K Item 1.05.
My Lovely AI
In April 2026, the NSFW AI girlfriend platform My Lovely AI suffered a data breach that exposed over 100k users . The data included user-created prompts and links to the resulting AI-generated images, along with a small number of Discord and X usernames.
Bitcoin Depot Inc.
Material cybersecurity incident disclosed to the U.S. Securities and Exchange Commission under Form 8-K Item 1.05.
Crunchyroll
In March 2026, the anime streaming service Crunchyroll suffered a data breach alleged to have impacted 6.8M users . The exposed data is reported to have originated from the company's Zendesk support system where "name, login name, email address, IP address, general geographic location and the contents of the support tickets" were exposed. A subset of 1.2M email addresses from an alleged 2M record dataset being sold was later provided to HIBP.
SongTrivia2
In April 2026, the music trivia platform SongTrivia2 suffered a data breach that was subsequently published to a public hacking forum . The data contained a total of 291k unique email addresses sourced from either Google OAuth logins or accounts created on the site, the latter also containing bcrypt password hashes. The data also included names, usernames and avatars.
SUCCESS
In March 2026, the personal development and achievement media brand SUCCESS suffered a data breach . The incident exposed 250k unique email addresses along with names, IP addresses, phone numbers and, for a limited number of staff members, bcrypt password hashes. The data also included orders containing physical addresses and the payment method used. In SUCCESS' disclosure notice , they advised their system had also been abused to send offensive newsletters with quotes falsely attributed to contributors.
Cuties AI
In March 2026, the NSFW AI companion platform Cuties AI suffered a data breach that was subsequently published to a public hacking forum . The incident exposed 144k unique email addresses along with display names, avatars, prompts and descriptions used to generate AI adult images, as well as URLs to the generated content. The data also included the account that created the content and a stated "preference" of either female or trans.
BreachForums Version 5
In March 2026, a breach of one of the many iterations of the BreachForums hacking forum known as "Version 5" was publicly disclosed . The incident exposed 340k unique email addresses along with usernames and argon2 password hashes.
CareCloud, Inc.
Material cybersecurity incident disclosed to the U.S. Securities and Exchange Commission under Form 8-K Item 1.05.
Scuf Gaming
In June 2015, custom gaming controller maker Scuf Gaming suffered a data breach . The incident exposed 129k unique email addresses along with usernames, display names, IP addresses and password hashes.
Sound Radix
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.
RuneScape Boards
In around 2011, the now defunct 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.
TRIO-TECH INTERNATIONAL
Material cybersecurity incident disclosed to the U.S. Securities and Exchange Commission under Form 8-K Item 1.05.
Aura
In March 2026, the online safety service Aura disclosed a data breach that exposed 900k unique email addresses . The data was primarily associated with a marketing tool from a previously acquired company, with fewer than 20k active Aura customers affected. Exposed data included names, phone numbers, physical and IP addresses, and customer service notes. Aura advised that no Social Security numbers, passwords or financial information were compromised.
1.184 notices · page 11 / 60
Follow breach notices through the API
With a free API key you can take the same data into your dashboard, your scripts or your own application.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/breaches?source=kvkk"