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• Calvià City Council in Majorca January 13, 2024 • [ ransomware, cyberattack, extortion ] The Calvi City Council in Majorca announces to be targeted by a ransomware attack, which impacted municipal services. The attackers demand a 10M (approximately $11M) ransom.
• AssociaÃÆ'Ã'§ÃÆ'Ã'£o de Advogados de SÃÆ'Ã'£o Paulo (AASP) February 22, 2023 • [ ransomware, data leak, personal information ] The Ragnar Locker ransomware gang leaks 200 GB of files from the Associa o de Advogados de S''o Paulo (AASP) plus numerous screenshots with personal information after the association denies it was hacked.
• Fidelity Group (http://www.fidelitygroup.com/) September 22, 2015 • [ hacking, extortion, data leak ] A group of hackers that calls itself "Hack for Trump" claims to have hacked the website of Fidelity Group and threaten it would make the stolen data public unless Fidelity pays $30,000.
• Odido February 12, 2026 • [ data breach, extortion, PII ] In February 2026, Dutch telco Odido was the victim of a data breach and subsequent extortion attempt. Shortly after, a total of 6M unique email addresses were published across four separate data releases over consecutive days. The exposed data includes names, physical addresses, phone numbers, bank account numbers, dates of birth, customer service notes and passport, drivers licence and European national ID numbers. Odido has published a disclosure notice including an FAQ to support affected customers.
• Odido February 12, 2026 • [ data breach, extortion, data leak ] In February 2026, Dutch telco Odido was the victim of a data breach and subsequent extortion attempt. Shortly after, 1M records containing 317k unique email addresses were published, followed by further releases exposing an additional 371k and then 833k unique email addresses, with the latter also including passport, drivers licence and European national ID numbers. The exposed data includes names, physical addresses, phone numbers, bank account numbers and customer service notes. Odido has published a disclosure notice advising that impacted data may also include dates of birth and government-issued identity document numbers.
• Odido February 12, 2026 • [ data breach, extortion, data leak ] In February 2026, the Dutch telco Odido was the victim of a data breach and subsequent extortion attempt. Following the incident, 1M records containing 317k unique email addresses was published publicly, with a threat by the attackers to continue leaking more data in the following days. The data also included names, physical addresses, phone numbers, bank account numbers and notes about customers left by service operators. Odido has published a disclosure notice detailing the extent of the incident, providing an FAQ and advising the incident also impacted dates of birth, passport and drivers licence numbers.
• CarGurus February 14, 2026 • [ data breach, extortion, data leak ] 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.
• CarMax January 24, 2026 • [ data breach, extortion, data leak ] 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.
• University of Pennsylvania October 30, 2025 • [ data breach, ransomware, donor records ] In October 2025, the University of Pennsylvania was the victim of a data breach followed by a ransom demand, largely affecting its donor database. After the incident, the attackers sent inflammatory emails to some victims. The data was later published online in February 2026 and included 624k unique email addresses alongside names and physical addresses. For some donor records, additional personal information was exposed, including gender and date of birth. A small subset of records also contained religion, spouse name, estimated income and donation history.
• Esquire Brands January 2, 2026 • [ ransomware, data leak, extortion ] Cybernews reported that Esquire Brands (a childrens footwear maker operating several brands/licenses) was posted on the Play ransomware leak site, with attackers threatening to publish stolen data shortly thereafter. According to the leak-site post summarized in the article, the attackers claimed they obtained client documents, payroll data, and finance information. The report frames the incident as data theft with extortion leverage (typical double-extortion posture).
• Bolttech January 5, 2026 • [ ransomware, data leak, extortion ] Cybernews reported that the Everest ransomware group claimed to have stolen about 186GB of data from Bolttech (a global insurance infrastructure platform) and demanded ransom. The group claimed the dataset includes employee/agent account details (emails, names, roles, identifiers), customer information and contact details, policy data, mortgage-related records, insured property addresses, and financial parameters/identifiers. The group posted samples and a countdown timer on its leak site, threatening to publish the data if Bolttech did not respond. The article notes the claim was based on the leak-site post and that confirmation from Bolttech was being sought.
• Nissan Motor Corporation (Nissan Motor Co., Ltd.) January 10, 2026 • [ ransomware, data leak, extortion ] HackRead reported that the Everest ransomware group claimed it breached Nissan Motor Corporation and stole about 900GB of internal data. The article said the group posted the allegation on its leak site on January 10, 2026 and shared screenshots and directory listings suggesting access to internal operational documents, data extracts, and dealership-related records. Everest reportedly threatened to publish the data if Nissan did not respond within a set timeframe. Nissan had not publicly confirmed the claim at the time of reporting.
• Crunchbase January 23, 2026 • [ vishing, social engineering, credential theft ] Reporting on an Okta SSO vishing (voice-phishing) campaign, ShinyHunters reportedly confirmed to a researcher that it conducted the campaign and launched a new dark web leak site. According to the report, ShinyHunters claimed that multiple victims had their data posted after refusing extortion demands, naming Crunchbase, SoundCloud, and Betterment as initial examples. The incident reflects social-engineering-driven credential theft leading to unauthorized access and data theft, followed by extortion and publication of alleged victim data.
• Waltio January 24, 2026 • [ data leak, extortion, cryptocurrency ] French crypto tax platform Waltio reported being targeted by the ShinyHunters group, which claimed to possess personal data for nearly 50,000 users and threatened to leak users 2024 tax reports unless a ransom was paid. Waltio stated that its services and production systems remained secure and that no sensitive banking credentials or crypto access data was compromised. The incident primarily involves alleged data theft and extortion threats rather than service disruption, with the full scope of stolen fields not detailed in the summary.
• University of Hawaii Cancer Center August 31, 2025 • [ ransomware, data breach, Social Security numbers ] The University of Hawaii Cancer Center disclosed an August 2025 ransomware incident in which attackers gained unauthorized access to its network, encrypted files, and stole research files containing patient-related information. Reporting indicates the intrusion was discovered on or around August 31, 2025, after which affected servers were isolated and an investigation began. The Cancer Center stated its electronic medical record system was not impacted, but research datasets were affected and a subset of older records included Social Security numbers because they were historically used as identifiers in the 1990s. Due to the sensitivity of the data and the extent of encryption, the organization engaged external experts, obtained a decryption tool, and reported paying a ransom in exchange for a claimed promise by the attackers to delete stolen data, while continuing longer-term recovery and security hardening.
• Medical Practice of Dr. Richard Swift January 12, 2026 • [ malware, cyberattack, data leak ] DataBreaches reported on a class action lawsuit alleging that a Manhattan plastic surgery practice run by Dr. Richard Swift was compromised by a malware-related cyberattack in 2025 and that sensitive patient information was posted online. The suit alleged that a site hosted outside the U.S. displayed personal identifiers and medical record details for at least 22 patients, and that affected patients only learned about the breach after attackers contacted them directly. DataBreaches noted the same threat actors were linked to attacks on other plastic surgery practices and described a recurring pattern where attackers approached patients with demands in exchange for removing posted information. Public reporting did not confirm whether the practice paid, and the article noted the leak site later appeared offline.
• Undisclosed Austrian pharmaceutical company December 25, 2025 • [ ransomware, data leak, extortion ] The article reports that a Vienna-based pharmaceutical company was affected by a ransomware attack in which threat actors compromised systems and leaked corporate data as part of an extortion campaign.
• Brightspeed January 5, 2026 • [ cybersecurity event, extortion, data breach ] Brightspeed said it is investigating reports of a cybersecurity event after the Crimson Collective extortion group claimed it breached the company and stole personal data tied to more than one million residential customers. Reporting described the attackers claimed dataset as including names, emails, phone numbers, postal addresses, user account information linked to session or user IDs, payment history, partial payment card information, and appointment or order records containing customer information. Brightspeed publicly stated it takes security seriously and is investigating the reports and would keep customers, employees, and authorities informed as it learns more.
• SoundCloud December 15, 2025 • [ data leak, extortion ] In December 2025, SoundCloud announced it had discovered unauthorised activity on its platform. The incident allowed an attacker to map publicly available SoundCloud profile data to email addresses for approximately 20% of its users. The impacted data included 30M unique email addresses, names, usernames, avatars, follower and following counts and, in some cases, the users country. The attackers later attempted to extort SoundCloud before publicly releasing the data the following month.
• Pornhub August 11, 2025 • [ extortion, phishing, data leak ] Cybercriminal group ShinyHunters claimed theft of a 94GB dataset containing about 201 million records tied to Pornhub Premium user activity and launched an extortion campaign demanding payment in Bitcoin. Reporting linked the compromise to third-party analytics provider Mixpanel, where access allegedly began on November 8, 2025 after a smishing attack harvested employee login credentials. Samples reviewed by journalists reportedly included email addresses, approximate location (city/country), video titles and URLs, search keywords, and timestamps for watches/downloads. Pornhub stated its internal systems were not directly hacked and that sensitive items such as passwords and credit card details remained secure, while Mixpanel later suggested some access may have involved a legitimate employee account associated with Pornhubs parent company, Aylo.