Orthopaedic Specialists of Connecticut
March 2, 2025
•[ data leak, unauthorized access, personally identifiable information ]
Names, dates of birth, Social Security numbers, insurance and medical information for 22,541 individuals were exposed after an unauthorized third party accessed the practices network on March 2, 2025, per the provider notice and HHS filing.
Angel One Ltd.
February 27, 2025
•[ unauthorized access, data leak ]
Indian stock brokerage Angel One disclosed on February 27, 2025, that unauthorized actors accessed some of its Amazon Web Services (AWS) resources following a dark web alert. The company confirmed exposure of limited client information but no compromise of funds or credentials. Investigation and containment measures were initiated immediately.
City of Jasper
February 20, 2025
•[ unauthorized access, government ]
Unauthorized access identified around Feb 20; no evidence of citizen/employee personal data access; services largely unaffected.
Commvault
February 20, 2025
•[ vulnerability, unauthorized access ]
A zero-day vulnerability (CVE-2025-3928) in Commvaults cloud backup platform was exploited, allowing unauthorized access to internal systems and credentials. Commvault stated that customer backup data was not impacted, and no data theft has been confirmed.
Beverly Hills Oncology Medical Group
February 7, 2025
•[ data leak, unauthorized access ]
Beverly Hills Oncology Medical Group in California identified and blocked unauthorized access to parts of its network between February 7 and February 11, 2025, then engaged third-party cybersecurity experts to investigate. The review confirmed that an external actor had accessed and potentially removed files containing patient information. On October 13 the practice confirmed that exposed data included names, Social Security numbers, government ID numbers, financial account and credit/debit card details, health insurance information, and diagnostic, treatment, prescription and other clinical data, and on October 31 it filed breach notices and began notifying affected individuals while offering 12 months of complimentary credit monitoring.
St. Anthony Hospital (Chicago)
February 6, 2025
•[ data leak, healthcare, unauthorized access ]
St. Anthony Hospital in Chicago reported that on February 6, 2025 it discovered a data breach involving a small number of employee email accounts that had been accessed by an unauthorized actor. The compromised mailboxes contained personal and medical information such as names, addresses, dates of birth, Social Security numbers, medical record and account numbers, prescription details, and medical histories for roughly 6,679 individuals. The hospital engaged outside cybersecurity experts, reset credentials, and began notifying potentially affected patients and staff while offering guidance on credit monitoring. Officials said there was no evidence of misuse yet but warned people to remain vigilant for fraud or identity theft.
Saint Anthony Hospital
February 6, 2025
•[ unauthorized access, email account compromise, healthcare data breach ]
Saint Anthony Hospital reported that on February 6 2025 an unauthorized party accessed two employee email accounts, exposing personal and health information of approximately 146,108 patients; the breach was confirmed in February 2026 and notifications were sent in March 2026.
Water Treatment Plant at Tolmicko
February 4, 2025
•[ unauthorized access, industrial control systems, critical infrastructure ]
CyberDefence24 reported that a pro-Russian Telegram group posted videos between Jan 2830, 2025 showing unauthorized access to interfaces for three Polish water treatment plants (SUW) in Tolkmicko, Madyty, and Sierakowo. The recordings showed attackers setting multiple parameters to maximum values, disabling selected device functions, and changing device PINs (including 1488). The article stated none of the plants reported problems at the time and noted the activity appeared propaganda-oriented, with no confirmed impact on critical infrastructure operations.
Water Treatment Plant at Madyty
January 28, 2025
•[ unauthorized access, ICS/SCADA, critical infrastructure ]
CyberDefence24 reported that a pro-Russian Telegram group posted videos between Jan 2830, 2025 showing unauthorized access to interfaces for three Polish water treatment plants (SUW) in Tolkmicko, Madyty, and Sierakowo. The recordings showed attackers setting multiple parameters to maximum values, disabling selected device functions, and changing device PINs (including 1488). The article stated none of the plants reported problems at the time and noted the activity appeared propaganda-oriented, with no confirmed impact on critical infrastructure operations.
UK Foreign, Commonwealth and Development Office (FCDO)
January 10, 2025
•[ data leak, unauthorized access, government ]
UK authorities investigated a cyber intrusion into the Foreign, Commonwealth and Development Office (FCDO) that was reportedly discovered during routine monitoring in October 2025. According to officials briefed on the matter, attackers accessed a segment of the foreign offices IT environment used for policy coordination and diplomatic communications and obtained sensitive but non-classified material. The reported accessed information included internal correspondence, briefing papers, and contact details related to overseas missions, while systems handling classified intelligence were described as segregated and unaffected. The incident prompted containment actions, server isolation, and a wider government security review led with support from the National Cyber Security Centre.
Syracuse Police Department, N.Y.
January 10, 2025
•[ unauthorized access, social security numbers, personal information ]
Syracuse Police Department detected a security incident on Jan. 11, 2025, shut down its computer system to prevent spread, and later determined that certain digital files were accessed or acquired without authorization between Jan. 10 and Jan. 12; notifications were sent in 2026 to people whose personal information, including Social Security numbers, may have been compromised.
Baylor Scott & White Texas Spine & Joint Hospital
January 10, 2025
•[ Email Compromise, Data Leak, Unauthorized Access ]
Unauthorized access to O365 mailbox exposed patient demographic and treatment information.
Byzfunder NY LLC
January 9, 2025
•[ data leak, unauthorized access ]
Byzfunder reported a security incident involving a cloud software solution. An unauthorized third party may have accessed or acquired certain files during the period 09/01/202509/20/2025, with the incident becoming known to the company on 09/19/2025. The company later reported the incident to the Maine Attorney General and began notifying affected individuals.
Fyzical Acquisition Holdings LLC
January 9, 2025
•[ unauthorized access, email compromise ]
Unauthorized access to FYZICALs email environment was detected on December 9 2024 triggering an investigation that concluded in November 2025 Breach notifications were issued to affected individuals and state authorities in December 2025
Middlesex Sheriff's Office
January 1, 2025
•[ data breach, protected health information, HIPAA ]
The Middlesex Sheriffs Office reported that a security breach occurred in January 2025 and that a comprehensive investigation (with state/federal law enforcement and private cybersecurity vendors) determined on November 19, 2025 that the incident involved unauthorized access to protected health information. The exposed PHI may have included names, home addresses, dates of birth, diagnoses, and other general health information related to individuals who may have received medical care through the Sheriffs Office. Public reporting indicated the breach represented a HIPAA-related incident; the organization did not specify the number of affected individuals in the public notice and did not disclose the initial access vector or whether any data was exfiltrated beyond unauthorized viewing/access.
Ribbon Communications Inc.
January 1, 2025
•[ data leak, unauthorized access ]
U.S. telecom backbone provider Ribbon Communications reported that a nation-state actor infiltrated its environment around Jan 2025, maintaining persistence until discovery in Sept 2025; investigation confirmed unauthorized access to two employee laptops containing limited customer files; no material network breach or data destruction confirmed.
EyeCare Partners
January 1, 2025
•[ email compromise, unauthorized access, data breach ]
EyeCare Partners disclosed that an unauthorized third party accessed certain ECP-managed email accounts between December 3, 2024 and January 28, 2025. The accessed files may have contained personal identifiers and limited health-related information, including addresses, dates of birth, Social Security numbers, drivers license numbers, health plan information, and limited clinical information; the notice emphasized that full medical records and detailed clinical information were not impacted. The organization reported the incident to Massachusetts regulators on February 4, 2026 and began outreach and remediation steps consistent with an email-system compromise.
Beacon Health Three Rivers
December 2, 2024
•[ unauthorized access, third-party breach ]
Vendor Cps Solutions reported unauthorized email access Dec 24; hospital notified patients.
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.
Eckerd Youth Alternatives Inc
November 11, 2024
•[ unauthorized access, network intrusion, data breach ]
Eckerd Connects reported that it observed suspicious activity within its network environment on or around November 11, 2024. In response, it took steps to mitigate the threat (including taking certain systems offline) and engaged outside specialists to investigate. Following an extensive forensic investigation and manual document review, Eckerd Connects determined on November 17, 2025 that personal information may have been accessed or acquired by an unauthorized party during the period from November 3, 2024 through November 11, 2024. Potentially involved data elements include first/last name, address, date of birth, Social Security number, drivers license/state ID number, tax identification number, and medical information.
