Waterloo Regional Health Network
January 13, 2026
•[ personal health information, third-party security incident, data breach ]
Waterloo Regional Health Network notified patients that a third-party security incident affecting its connection to the Health Report Manager service may have exposed personal health information for approximately 150,000 patients who received care between April 2025 and January 2026. WRHN said the incident occurred outside WRHNs internal systems, was contained within hours on January 13, and no misuse was believed likely.
Cetera Financial
July 7, 2025
•[ unauthorized access, email compromise, PII ]
Cetera Financial disclosed that an unauthorized person accessed a single employee email account between July 7 and August 21, 2025. A review completed around January 30, 2026 found that client information, including names, Social Security numbers, drivers license numbers, and financial account details, may have been compromised; affected individuals were notified beginning March 25, 2026.
Woflow
March 4, 2026
•[ data breach, extortion, PII ]
In March 2026, the AI-driven merchant data platform Woflow was named as a victim by the ShinyHunters data extortion group. The group subsequently published tens of thousands of files allegedly obtained from the company, comprising more than 2TB of data. The trove included hundreds of thousands of email addresses, names, phone numbers and physical addresses, with the data indicating it related to Woflow customers and, in turn, the customers of merchants using their platform.
LegionProxy
April 6, 2026
•[ data breach, email addresses, password hashes ]
In April 2026, the commercial residential and ISP proxy network LegionProxy suffered a data breach. The incident exposed 10k email addresses, bcrypt password hashes, names and purchases.
Reborn Gaming
April 30, 2026
•[ data breach, gaming, vulnerability ]
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.
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.
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.
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.
Centrum Medyczne Eskulap
March 24, 2026
•[ ransomware, medical records, encryption ]
Centrum Medyczne Eskulap reported that a ransomware attack on March 24, 2026 encrypted servers dedicated to patient services and blocked access to medical data and medical histories; reporting also said there was a high probability patient data may have been obtained before encryption, but no theft was confirmed.
Shwapno
August 19, 2025
•[ ransomware, data breach, customer database ]
Shwapno said attackers accessed its customer database in August 2025, and outside reporting said Qilin claimed a $1.5 million ransom demand.
Hong Kong Correctional Services Department
March 24, 2026
•[ unauthorized access, data breach, personal data leak ]
Hong Kong's Correctional Services Department said a hacker illegally accessed its internal Knowledge Management System on March 24, 2026 and then accessed another system containing personal data of about 6,800 current and former staff.
US Mortgage
May 13, 2025
•[ ransomware, unauthorized access, data breach ]
US Mortgage disclosed that an unauthorized third party gained access to a portion of its computer network in May 2025 in a ransomware event, and outside reporting tied the incident to SAFEPAY.
Stockton Cardiology Medical Group
December 15, 2025
•[ unauthorized access, data leak, extortion ]
Stockton Cardiology Medical Group disclosed that an unauthorized individual accessed and removed files from its systems in December 2025, and some of the files were later publicly disclosed; outside reporting tied the incident to a Genesis extortion claim.
Undisclosed Russian company
March 1, 2026
•[ ransomware, cyber warfare, pro-Ukrainian group ]
A pro-Ukrainian group known as Bearlyfy used GenieLocker ransomware against an undisclosed Russian company as part of a broader campaign targeting Russian firms.
Roan and Eurocamp
March 16, 2026
•[ data breach, phishing, supply chain attack ]
Roan and Eurocamp disclosed that an unauthorized third party exploited a vulnerability in a third-party technology provider on March 16, 2026 and stole guest booking data later used in WhatsApp scam attempts; no encryption was reported.
Woodfords Family Services
April 8, 2024
•[ unauthorized access, personal information, protected health information ]
Woodfords Family Services reported that after discovering suspicious activity in its network on April 8, 2024, it determined that certain files and folders were subject to unauthorized access and that personal and protected health information may have been compromised.
Charlottesville Settlement Company
September 1, 2025
•[ data breach, network intrusion, data theft ]
WVIR (29News) reported that Charlottesville Settlement Company disclosed a September 2025 data breach that was discovered on March 10, 2026 and communicated to affected individuals in a letter dated March 18. The company said an unknown actor broke into its network and stole customers personal information, impacting 22,041 customers. The firm provides title insurance and settlement services for real estate transactions. The report did not enumerate specific data elements stolen, but stated affected individuals were offered credit monitoring and reimbursement coverage.
Bitrefill
March 1, 2026
•[ data breach, cryptocurrency theft, PII leak ]
Bitrefill published a post-mortem stating it was attacked on March 1, 2026 and attributed the activity to North Koreas Lazarus Group. The breach was discovered after suspicious purchasing patterns suggested gift card stock and supplier supply lines were being exploited. Bitrefill said attackers accessed about 18,500 purchase records containing customer email addresses, crypto payment addresses, and metadata including IP addresses. The attackers also drained some Bitrefill cryptocurrency wallets and transferred funds to attacker-controlled wallets; the company did not disclose the amount stolen and said it would absorb the losses.
Trio-Tech subsidiary
March 11, 2026
•[ ransomware, encryption, data breach ]
The Record reported that Trio-Tech International told regulators its subsidiary in Singapore suffered a ransomware attack discovered on March 11, 2026. The filing said the attack led to encryption of files within the subsidiarys network. Trio-Tech took the network offline, notified law enforcement in Singapore, and hired cybersecurity experts to respond. The company said it was still restoring systems and that it was unclear what data may have been taken, but that the subsidiary was in the process of notifying affected parties.
QualDerm
December 23, 2025
•[ data breach, data leak, unauthorized access ]
SecurityWeek reported that QualDerm Partners is notifying more than 3.1 million people of a December 2025 breach discovered on Dec. 24, 2025. QualDerm said attackers had unauthorized access to its network for two days and exfiltrated data from a limited number of compromised systems. Stolen data included personal identifiers and health/insurance information such as names, addresses, dates of birth, email addresses, medical record numbers, doctor names, treatment/diagnosis information, health insurance information, dates of death, and in some cases government-issued ID information. QualDerm said its investigation is ongoing and it notified law enforcement and regulators.
