Undisclosed Canadian electric utility
July 29, 2025
•[ cyberattack, service disruption, critical infrastructure ]
Canadian utility reported a cyberattack that disrupted smart/power meters and required onsite remediation to restore accurate billing and service.
Sesame Workshop (Elmo account)
July 29, 2025
•[ account takeover ]
Sesame Workshop said it regained control of the Elmo X account after it was hijacked and used to post racist content; company apologized and removed the posts.
Radiology Associates of Richmond (RAR)
April 10, 2024
•[ data leak ]
RAR disclosed more than 1.4M affected after determining files with PHI/PII were present on systems accessed for several days in April 2024; HHS tracker shows 1,419,091.
The Alcohol & Drug Testing Service (TADTS)
July 15, 2024
•[ ransomware, data leak ]
TADTS notifying ~750,000 people of compromise stemming from a July 2024 ransomware attack, per SecurityWeek.
Undisclosed U.S. political associates (per Reuters)
July 1, 2025
•[ data leak, state-sponsored, political ]
Reuters-reported claim: Iran-linked actors threaten to release ~100 GB of emails allegedly stolen from associates of Donald Trump; CISA called material 'purportedly stolen' and 'unverified.'
Centers for Medicare & Medicaid Services (Medicare.gov)
May 2, 2025
•[ data leak ]
CMS found malicious actors fraudulently created accounts between 2023 and 2025 using valid PII to access beneficiary info; ~103,000 affected; accounts deactivated and MBIs being replaced.
C&M Software (service provider to Banco Central ecosystem)
July 2, 2025
•[ insider threat, compromised credentials, financial theft ]
Attackers allegedly bought an employee's credentials for ~$2,700 to access C&M systems and steal BRL 800M from connected institutions; part converted to crypto and laundered.
Axis Max Life Insurance (Max Financial Services)
July 5, 2025
•[ data leak ]
Max Financial disclosed its insurance subsidiary received notice of unauthorized access to customer data; investigation underway; details not disclosed.
Integrated Oncology Network (multiple practices)
December 13, 2024
•[ phishing, data leak ]
Phishing incident Dec 1316, 2024 led to unauthorized access to a small number of email and SharePoint accounts; by late June 2025, notices mailed; HHS lists grew to 22 locations affecting 116,557 patients.
United Australia Party (and Trumpet of Patriots)
June 23, 2025
•[ ransomware, data leak ]
Political parties confirmed ransomware on June 23 with possible exfiltration of all emails and documents; parties stated it is impracticable to notify individuals.
Infinite Services (New York)
May 5, 2025
•[ ransomware, data leak ]
Employees could not log in on May 5; ransomware encryption interrupted by disconnecting power; investigation found one server accessed containing patient and employee PII/PHI; broad notifications sent out of caution.
NASCAR
March 15, 2025
•[ ransomware, data leak ]
NASCAR confirmed a ransomware breach of internal systems in March 2025 attributed to Medusa; ~1 TB of sensitive data stolen with $4M ransom demand; notifications and protections offered.
Neblio Technologies Pvt Ltd
July 19, 2025
•[ insider threat, data leak ]
Company reported approximately Rs 384 crore (~$44M) in cryptocurrency transferred from a company wallet around 2:37 am on July 19 to six accounts; internal probe suggested an employee laptop compromise and potential insider involvement.
City of Saint Paul, Minnesota
July 25, 2025
•[ cyberattack, government, service disruption ]
A cyberattack on Saint Paul led to widespread service disruptions; Minnesota activated the National Guard to support response and recovery.
Toptal
July 20, 2025
•[ data leak, source code leak, supply chain attack ]
73 repositories made available, exposing private projects and source code. Attackers hijacked Toptals GitHub organization and published 10 malicious npm packages before takedown. Later updates indicated minimal impact to external users.
The House of Dior
January 26, 2025
•[ data leak, personally identifiable information, supply chain attack ]
Dior disclosed that a database was accessed on Jan 26, 2025 exposing data that includes names, contact details, address, DOB, and in some cases passport/ID or SSN. Believed to be related to broader LVMH/ShinyHunters vendor breach cluster.
Louis Vuitton
July 2, 2025
•[ data leak ]
Louis Vuitton confirmed multiregion customer data breach. No payment data impacted. Undisclosed amount of data was stolen.
Esse Health
April 21, 2025
•[ data leak ]
Cyberattack disrupted patientfacing network systems and phones and led to copying of files of 263,601 patients. Information includes personal and health data
Envoy Air (American Airlines)
October 17, 2025
•[ ransomware, data leak, vulnerability ]
Envoy Air confirmed it was hit in a broader Clop campaign abusing an Oracle EBS zero-day. Reuters notes a small amount of Envoy business information may have been accessed; Clop listed American Airlines, but the target was Envoy, AAs regional carrier. Primary impact: unauthorized access/data theft for extortion, not operational outage.
AT&T Careers HR portal
October 24, 2025
•[ ransomware, data leak, fraud ]
Ransomware actors posted a dataset labeled AT&T Careers on their leak site, indicating records tied to recruiting/applicant systems; listing framed for monetization with no operational outage described. Organization review pending; risk centers on identity/targeted fraud against job-seekers and staff.
