Afghanistan Ministry of Finance
May 29, 2026
•[ spear-phishing, malware, XenoRAT ]
SideCopy, a suspected Pakistan-linked threat group, targeted Afghanistan's Ministry of Finance and provincial revenue and finance directorates with spear-phishing emails containing a malicious ZIP/LNK file in Pashto. When executed, the malware chain installed XenoRAT, enabling long-term remote access, spying on infected computers, and additional malicious activity.
Unimed
April 14, 2026
•[ unauthorized access, data theft, ransomware ]
Unknown attackers gained unauthorized access to parts of Unimed's IT infrastructure on April 14, 2026 and stole patient billing data processed for German hospitals and clinics. Affected institutions included university hospitals in Cologne, Freiburg, Heidelberg, Tbingen, Ulm, Dsseldorf, Mainz, Saarland, Oldenburg, Hannover, Gttingen, and others. Reporting indicated the attackers intended broader system encryption, but this was stopped; hospitals said their clinical systems and patient care were not affected.
Almerys
May 22, 2026
•[ data breach, healthcare, personally identifiable information ]
Almerys, a French third-party health payments processor, suffered a May 2026 breach involving its online coverage authorization portal used by healthcare professionals and facilities. Reporting said hackers gained access to the portal and that a threat actor later advertised more than 44 million Almerys-linked records and more than 15 million unique French Social Security numbers for sale. Almerys reportedly took the affected portal offline as a containment measure; no named actor, encryption, data destruction, or attacker-caused operational disruption was confirmed.
Chelan County Government
May 24, 2026
•[ malware, cyberattack, network shutdown ]
Chelan County, Washington reported that malware was detected on county government systems around 10 a.m. on May 24, 2026, affecting all county departments. As a precaution, the county voluntarily shut down network access, computers, and telephone systems across departments while IT staff worked with security partners to restore systems; 911 and emergency services remained available. Public reporting did not identify the threat actor, confirm ransomware, report data theft, or confirm whether any personal data was compromised.
Chanhassen Dinner Theatres
May 15, 2026
•[ cyberattack, operational disruption, system outage ]
Chanhassen Dinner Theatres experienced a cyberattack affecting part of its computer network on May 15, 2026 and took systems offline while working with outside experts to restore operations. The incident disrupted internet, phone, customer-service, and operational functions and contributed to rescheduled or canceled performances, alongside a separate cast illness/norovirus disruption. Public reporting did not confirm encryption, data theft, a ransom demand, or a responsible actor.
Gas station operators
May 15, 2026
•[ operational technology, critical infrastructure, cyberattack ]
Iranian hackers reportedly accessed internet-connected automatic tank gauge systems at gas stations in multiple U.S. states. Automatic tank gauges are OT systems used to monitor physical fuel tanks, but reporting indicates the attackers altered displayed readings rather than changing actual fuel volumes or physically manipulating fuel operations.
Unnamed third-party software services vendor used by The Oncology Institute
November 19, 2024
•[ third-party breach, unauthorized access, healthcare data ]
On May 20, 2026, Kroll, acting as third-party administrator for an unnamed vendor used by The Oncology Institute, notified the company that the vendor had detected unauthorized third-party access to certain vendor information systems, including systems affecting The Oncology Institute patient data. The vendor was not publicly named, though reporting identified TriZetto Provider Solutions as a possible candidate. If the incident is TriZetto-related, unauthorized access began on November 19, 2024 and the broader TriZetto breach affected 3,433,965 individuals; the number of affected The Oncology Institute patients was not publicly reported. The Oncology Institute said its own systems were not subject to unauthorized access.
Los Angeles County Metropolitan Transportation Authority
March 16, 2026
•[ unauthorized access, infrastructure disruption, state-sponsored ]
Los Angeles County Metropolitan Transportation Authority detected unauthorized activity on March 16, 2026 and restricted parts of its internal network while reviewing and restoring systems. Rail and bus service continued, but some customer-facing services, including arrival information displays and TAP card reload functions, were disrupted. Ababil of Minab claimed responsibility, and Gambit Security linked the operation to Iranian state-associated infrastructure.
MediCopy Services, Inc.
January 13, 2026
•[ unauthorized access, data leak, healthcare ]
An unauthorized actor accessed MediCopy Services' cloud-based file-sharing platform on January 13, 2026, and downloaded files related to release-of-information requests for certain Deaconess patients, including patients of Deaconess Henderson Hospital, Deaconess Union County Hospital, and surrounding clinics. Deaconess stated that its own IT systems and electronic medical record system were not impacted.
Florida East Coast Railway
April 30, 2026
•[ data-extortion, data leak, PII ]
PayoutsKing claimed responsibility for a data-extortion attack against Florida East Coast Railway on April 30, 2026 and threatened to leak sensitive data unless negotiations were initiated. DataBreach.com later indexed 16,668 rows associated with the breach, including names, email addresses, and phone numbers. Public sources did not confirm successful encryption or operational disruption.
WholeHealth Chicago
May 15, 2026
•[ data leak, PII, cyberattack ]
Cmdorganization claimed responsibility for a cyberattack against WholeHealth Chicago on May 15, 2026. DataBreach later indexed 36,409 rows allegedly tied to the breach, including dates of birth, email addresses, phone numbers, and names. Public sources did not confirm file encryption, operational disruption, or a precise intrusion vector.
Family Health Centers of Southern Indiana
February 2, 2026
•[ cyberattack, data leak, PII ]
Termite claimed responsibility for a cyberattack against Family Health Centers of Southern Indiana, identified by the domain fhcenters.org, on February 2, 2026. DataBreach later indexed 60,425 rows tied to the breach, with exposed fields including dates of birth, phone numbers, names, street addresses, and bank account information. Public sources did not confirm the intrusion vector, encryption, operational disruption, or exact data-theft mechanism.
Empower Group
April 15, 2026
•[ data leak, personally identifiable information, finance ]
DragonForce reportedly claimed responsibility for a breach of Empower Group, a New York-based alternative financing provider, and claimed to have exfiltrated approximately 316GB of data. DataBreach later indexed 6,691,415 rows allegedly tied to the breach, including Social Security numbers, dates of birth, email addresses, phone numbers, names, and street addresses. Public sources did not confirm file encryption or operational disruption.
ARC Dialysis LLC
March 25, 2026
•[ ransomware, data leak, Personally Identifiable Information (PII) ]
PEAR claimed responsibility for a cyberattack against ARC Dialysis LLC, an independent U.S. dialysis provider, with ransomware-monitoring sources listing an estimated attack date of March 25, 2026 and discovery on April 7, 2026. DataBreach later indexed 310,566 rows allegedly tied to the breach, including Social Security numbers, dates of birth, emails, phone numbers, names, and street addresses. Public sources did not confirm file encryption, operational disruption, or a precise intrusion vector.
Advanta Genetics LLC
April 29, 2026
•[ data leak, healthcare, PII ]
Advanta Genetics LLC, a Texas clinical and molecular diagnostics laboratory, was listed by Aurora on April 29, 2026. Aurora claimed access to patient, provider, employee, financial, legal/regulatory, and proprietary company data. DataBreach.com indexed 280,802 rows containing Social Security numbers, birthdates, email addresses, phone numbers, names, and street addresses. Public reporting noted that Advanta had not confirmed the full scope of Aurora's claims and did not confirm encryption or operational disruption.
Pecan Tree Dental, PLLC
January 11, 2026
•[ data breach, data exfiltration, personally identifiable information ]
Pecan Tree Dental, PLLC, a dental practice in Grand Prairie, Texas, discovered a cybersecurity incident on January 11, 2026. Sinobi claimed responsibility and claimed to have exfiltrated 250 GB of data. HHS/OCR-style reporting listed 13,300 affected individuals, while DataBreach.com indexed 24,504 rows containing Social Security numbers, email addresses, and phone numbers. Public reporting did not confirm successful encryption or operational disruption.
Radiology Associates of Richmond
July 25, 2025
•[ data breach, unauthorized access, protected health information (PHI) ]
An unauthorized actor accessed Radiology Associates of Richmond's network environment on or about July 25, 2025, and files containing protected health information were acquired. RAR began notifying affected individuals on May 21, 2026; filings reported 266,183 affected individuals.
Central Board of Secondary Education
May 21, 2026
•[ unauthorized access, payment gateway vulnerability, price manipulation ]
The CBSE revaluation portal's payment system was hit by an unauthorized malicious attack linked to the HDFC payment gateway integration when the portal went live. Approximately 50 students gained unauthorized access or were affected after displayed fee amounts were manipulated, causing payable amounts in some cases to range from Re 1 to nearly Rs 67,000-68,000. Public reporting did not identify the individuals or confirm theft of student data.
Village of Chase
May 19, 2026
•[ Business Email Compromise (BEC), Fraud, Financial Loss ]
A vendors email account was compromised, causing the Village of Chase to send a payment to fraudulent bank details, resulting in a loss of $44,536; most of the funds were recovered and the loss was covered by prioryear surplus.
MyPillow
May 25, 2026
•[ ransomware, data leak, financial data ]
Play claimed it breached MyPillow and stole private company, employee, financial, and client documents. After CEO Mike Lindell denied the breach, the group published approximately 9.8GB of internal files, reportedly including payroll records, tax forms, bank statements, audit files, and client invoices.
