Incidents at named organisations, each linked to the source that reported it: material incident filings companies made to the SEC, breaches verified by Have I Been Pwned, and claims posted by ransomware groups.
This view includes organisations named on ransomware leak sites. Those are the groups’ claims, not confirmed breaches — the organisations have not confirmed them and no filing or verified record supports them.
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.
In May 2026, the real estate services firm Cushman & Wakefield was the target of a "pay or leak" extortion campaign by the ShinyHunters group . Following the threat, the group publicly published data they alleged had been obtained from the firm, consisting mostly of C&W email addresses along with tens of thousands of external email addresses and corporate contact records. The exposed data was primarily business information, including names, job titles, company addresses and phone numbers.
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.
In April 2026, data allegedly obtained from CTT, Portugal's national postal service, was posted to a public hacking forum . The data included 468k unique email addresses along with names, phone numbers and parcel tracking numbers which can be used to retrieve the tracking history of the parcel.
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.
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.
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.
In May 2026, the telecommunications company Charter Communications (the parent company behind the consumer broadband and cable brand Spectrum) was named by the ShinyHunters group in a "pay or leak" extortion campaign . The group later published the data, which exposed 4.9M unique email addresses along with names, phone numbers and physical addresses. A subset of approximately 85k records originating from an internal employee directory also included job titles. Charter confirmed the incident, but stated that no sensitive personal information or customer proprietary network information (CPNI) was exfiltrated.
In March 2026, the financial consulting and advisory firm CFGI was the target of a ShinyHunters "pay-or-leak" extortion campaign . The group subsequently publicised data allegedly obtained from CFGI comprising corporate contact information, including 243k unique email addresses, names, phone numbers and physical addresses.
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.
In January 2026, data allegedly sourced from US automotive retailer CarMax was published online following a failed extortion attempt . The data included 431k unique email addresses along with names, phone numbers and physical addresses.
In August 2026, clothing retailer Carhartt was the target of a ShinyHunters "pay or leak" extortion campaign . The group subsequently published data allegedly obtained from the company including 12.9M unique email addresses, names, phone numbers and physical addresses. The published corpus also contained millions of synthetic records that did not relate to real individuals and were excluded from the breach.
In February 2026, the automotive marketplace CarGurus was the target of a data breach attributed to the threat actor ShinyHunters . Following an attempted extortion, the data was published publicly and contained more than 12M email addresses across multiple files including user account ID mappings, finance pre-qualification application data and dealer account and subscription information. Impacted data also included names, phone numbers, physical and IP addresses, and auto finance application outcomes.
In October 2025, retailer Canadian Tire was the victim of a data breach that exposed almost 42M records. The data contained 38M unique email addresses along with names, phone numbers and physical addresses. Passwords were stored as PBKDF2 hashes and for a subset of records, dates of birth and partial credit card data were also included (card type, expiry and masked card number). In its disclosure notice , Canadian Tire advised that the incident did not impact bank account information or loyalty program data.
In April 2026, Canada Life was the victim of a "pay or leak" extortion campaign by the ShinyHunters group . The group subsequently published the data which contained over 200k unique email addresses along with names, phone numbers, physical addresses and, in some cases, customer support tickets. In their disclosure notice , Canada Life advised that "it is a small proportion of our customers who may have been impacted". In the wake of the incident, Canada Life also published an alert cautioning customers to be wary of phishing attacks , a pattern often seen after the public release of breached data.
In February 2026, a data breach allegedly containing data relating to Canada Goose customers was published publicly . The data contained 920k records with 582k unique email addresses and included names, phone numbers, IP addresses, physical addresses and partial credit card data, specifically card type and last 4 digits. Canada Goose advised that the data "appears to relate to past customer transactions" and stated that it originated from a breach at a third party in August 2025. The most recent transaction date in the data is July 2025.
In July 2026, Brinks Home was targeted in a ShinyHunters "pay or leak" extortion campaign . The group subsequently published data they alleged was taken from the company, including 732k unique email addresses and other personal information relating to leads, customers and Brinks staff such as name, phone numbers and physical addresses. The data also included purchases from Brinks along with partial credit card data (last 4 digits, card type and expiry). In Brinks' disclosure notice , they acknowledged the incident and risk of disclosure, and advised that they would notify impacted parties "consistent with applicable law".
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.
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.
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.
Filings come from SEC EDGAR and are filtered to 8-K submissions that declare Item 1.05, not merely mention it. Breach records come from Have I Been Pwned. Ransomware claims come from RansomLook, used under CC BY 4.0; we store metadata only and never leak links.