Udemy
April 24, 2026
•[ data leak, extortion, cybercrime ]
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.
ADT
April 20, 2026
•[ data breach, extortion, data leak ]
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.
Pitney Bowes
April 20, 2026
•[ extortion, data leak, hacking collective ]
In April 2026, the hacking collective ShinyHunters claimed to have obtained data from Pitney Bowes as part of a broader extortion campaign that also named several other organisations. After negotiations allegedly failed, the group publicly released the data which included 8.2M unique email addresses, along with names, phone numbers and physical addresses. A subset of the data also included Pitney Bowes employee records with job titles.
Aman
April 20, 2026
•[ extortion, data leak, CRM breach ]
In April 2026, the ultra-luxury hotel brand Aman was named by ShinyHunters as the target of a "pay or leak" extortion campaign, with the data allegedly obtained from their Salesforce CRM. The data was subsequently leaked publicly and contained over 200k unique email addresses. Whilst not present on all records, the data also included genders, physical addresses, phone numbers, nationalities, dates of birth, spouse names and VIP status codes.
Carnival
April 18, 2026
•[ phishing, extortion, data leak ]
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.
Marcus & Millichap
April 12, 2026
•[ hacking, extortion, data leak ]
In April 2026, the commercial real estate brokerage firm Marcus & Millichap was named as one of multiple alleged victims of the ShinyHunters hacking and extortion group. Data alleged to have been obtained from the company was subsequently released publicly and included 1.8M unique email addresses, along with names, phone numbers and employment-related information including employer, job title and physical company address. In their disclosure notice, Marcus & Millichap advised that data which may have been accessed appeared limited to "company forms, templates, marketing materials, and general contact information".
McGraw Hill
April 10, 2026
•[ data breach, extortion, misconfiguration ]
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.
Amtrak
April 3, 2026
•[ data leak, ransomware, ShinyHunters ]
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. The exposed data contained over 2M unique email addresses along with names, physical addresses and customer support records.
SongTrivia2
April 2, 2026
•[ data breach, data leak, password hashes ]
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.
Hallmark
March 31, 2026
•[ data leak, extortion, support tickets ]
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.
Eholo Health
March 30, 2026
•[ data leak, vulnerability exploitation, medical records ]
XP95 claimed it stole 165 GB of data from Eholo Health, including more than 1.1 million medical notes and personal information tied to 601,308 users, after exploiting a vulnerability in the company's systems.
FBI Director Kash Patel's personal Gmail
March 27, 2026
•[ data leak, email breach, state-sponsored attack ]
Iran-linked group Handala claimed it breached FBI Director Kash Patel's personal Gmail account and published historical emails, photographs, and files; the FBI said the exposed material did not involve government information.
ZenBusiness
March 27, 2026
•[ data breach, extortion, ransomware ]
In March 2026, the hacker and extortion group "ShinyHunters" claimed to have obtained a substantial corpus of data from ZenBusiness, a business formation and compliance platform. The group claimed the data had been exfiltrated from platforms including Snowflake, Mixpanel and Salesforce, and threatened to publish it if a ransom was not paid. The following month, after claiming payment had not been made, ShinyHunters publicly released the data. The collection amounted to many terabytes across thousands of files that appeared to originate from multiple systems and business functions, including leads, support records and other CRM-related data. The data contained approximately 5M unique email addresses, often accompanied by name and phone number depending on the source file.
BreachForums Version 5
March 26, 2026
•[ data leak, hacking forum, credential leak ]
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.
The Left Party
March 26, 2026
•[ ransomware, data leak, employee data ]
Die Linke said its federal headquarters IT systems were hit by a ransomware attack on March 26, 2026, causing partial disruption, while outside reporting tied the incident to Qilin and a claim of stolen internal and employee data.
Sound Radix
March 25, 2026
•[ data leak, credential exposure ]
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.
Former Mossad Chief Tamir Pardo
March 25, 2026
•[ data leak, espionage, email breach ]
Handala published material from the personal Gmail account of former Mossad chief Tamir Pardo, and later reporting said the leak included business correspondence and a draft letter addressed to a CIA chief.
Ajax FC
March 25, 2026
•[ data leak, unauthorized access, PII ]
Ajax said a hacker unlawfully gained access to parts of its systems and viewed the email addresses of a few hundred people, as well as names, email addresses, and dates of birth for fewer than 20 people with stadium bans.
Aroostook Mental Health Center
March 24, 2026
•[ ransomware, data leak, network disruption ]
Aroostook Mental Health Center said a recent network disruption affected some business operations and temporarily interrupted connectivity, while outside reporting linked the incident to the Qilin ransomware group and a related leak-site extortion claim.
Liberty
March 23, 2026
•[ unauthorized access, data leak, personal information ]
Liberty notified customers that unauthorized access to personal information had occurred and said the exposed data included names, surnames, and identity numbers, while policies, investments, and services remained secure and operational.
