California Casualty Companies
September 2, 2025
•[ data leak ]
California Casualty Companies reported that an unauthorized third party accessed company systems on September 2 and acquired files containing customer personal, financial, insurance, and identification information; no operational disruption or actor attribution was reported.
Milano Ristorazione
November 24, 2025
•[ ransomware, malware ]
On November 24, 2025, Milano Ristorazione experienced operational malfunctions caused by a LockBit 5.0 malware infection impacting internal systems. The disruption affected catering and restaurant service operations and triggered an investigation by authorities. No data theft or encryption was reported.
Undisclosed Korean financial institutions
November 25, 2025
•[ ransomware, supply-chain attack, data leak ]
Bitdefender reported a targeted supply-chain attack in which the Qilin ransomware group compromised managed service providers to access numerous South Korean financial institutions. The attackers exfiltrated data and listed victims on their leak site, with at least 25 firms affected in a single month.
Psyonix (Rocket League)
November 24, 2025
•[ denial of service, service disruption ]
Psyonix reported that Rocket League servers were experiencing ongoing attacks that caused service disruptions; the studio implemented code optimizations and new DDoS detection to reduce attack impact but did not report any data theft or identify the attackers. Initially, attackers would join a match, launch their attack, and disconnect all of the other players, forcing an unintentional forfeit. As long as the attacker is the last player to leave a match, they earn the win.
The Miller Financial Group
November 24, 2025
•[ data leak ]
Unauthorized access to internal systems at The Miller Financial Group exposed sensitive personal data for at least seven Massachusetts residents, including names, Social Security numbers, state-issued IDs, and financial institution information. TMFG notified the Massachusetts Attorney General on November 7, 2025 and issued consumer notification letters.
Consero Global Solutions LLC
April 27, 2025
•[ data leak ]
A data breach at Consero Global Solutions LLC: unauthorized third-party access to internal systems between April 27 and July 4, 2025 resulted in possible acquisition of personal information (full name, SSN, other PII). Company has notified affected individuals and offered identity-protection services.
Margaritaville at Sea
September 23, 2025
•[ ransomware, data leak ]
Margaritaville at Sea reported that on September 23 a ransomware group identified as Lynx infiltrated company systems and exfiltrated sensitive passenger personal data and protected health information; no operational disruption or internal data loss was confirmed.
Adda.io
November 23, 2025
•[ data leak ]
Data breach at Adda.io: a hacker using the alias Blinkers posted a dataset claiming to contain personal information for approximately 1.86 million users, including names, phone numbers, email addresses, owner IDs, and MD5-hashed passwords.
EIRC SPb JSC
November 24, 2025
•[ DDoS ]
A DDoS attack on November 24 disrupted customer access to personal accounts used for submitting meter readings at EIRC SPb JSC. The organization reported temporary unavailability of payment and meter-reading services and worked to restore operations. The incident followed unrelated scheduled maintenance the prior day.
Undisclosed Uzbekistan organization
October 1, 2025
•[ nation-state, phishing, malware ]
A nation-state actor known as Bloody Wolf expanded operations to Uzbekistan using geofenced spearphishing delivering malicious JAR loaders that installed NetSupport RAT for persistent access; no data theft was reported.
Undisclosed Kyrgyzstan organization
June 1, 2025
•[ phishing, malware, state-sponsored ]
A nation-state actor known as Bloody Wolf conducted spearphishing impersonating the Kyrgyz Ministry of Justice to deploy JAR loaders and install NetSupport RAT for persistent access to organizational systems; no data theft was reported.
French Football Federation (FFF)
November 22, 2025
•[ data leak, unauthorized access ]
The French Football Federation disclosed that an unauthorized party accessed administrative software on November 22 and exfiltrated personal and membership information for registered members; no operational disruption or actor attribution was identified.
Undisclosed Canon U.S.A. subsidiary
November 25, 2025
•[ vulnerability exploit, data breach ]
A Canon U.S.A. subsidiary was compromised in the Oracle EBS hacking campaign, where attackers exploited an application server vulnerability. Canon reported that the incident was limited to a single web server and that no Canon data had been leaked as of the latest update.
Saint Mary’s Home of Erie
August 26, 2025
•[ data leak, unauthorized access ]
A forensic investigation found that an unauthorized party accessed the Saint Marys Home of Erie network between August 26 and 28, 2025. Files and folders containing resident PII and PHI may have been exposed. The incident was reported to HHS OCR for at least 501 individuals while review continues.
Delta Dental of Virginia
March 21, 2025
•[ phishing, data leak ]
An unauthorized actor accessed a Delta Dental of Virginia employee email account between March 21 and April 23, 2025, viewing or acquiring emails and attachments containing personal, financial, and protected health information for 145,918 individuals. Notification letters were issued on November 21, 2025.
Dartmouth College
August 9, 2025
•[ data leak, ransomware, vulnerability exploit ]
Dartmouth College confirmed that attackers exploited its Oracle E-Business Suite instance between August 9 and 12, 2025 and exfiltrated files containing personal and financial information, including Social Security numbers. Nearly 1,500 Maine residents and over 31,000 New Hampshire residents were impacted. Cl0p later leaked 226 GB of allegedly stolen data.
OpenAI (Mixpanel Incident)
November 9, 2025
•[ data leak ]
OpenAI reported that on November 9 an attacker accessed Mixpanels analytics application server and exported limited customer-identifiable metadata including names, emails, coarse location, browser and operating system information, referring websites, and account identifiers; no credentials, API keys, chat content, or service disruption occurred.
Westminster City Council
November 24, 2025
•[ service disruption ]
Westminster City Council was impacted by the same cyber incident identified on November 24, resulting in disruption to some online services and phone systems. The council reports that services are running but some disruption remains. No data compromise has been confirmed.
Royal Borough of Kensington and Chelsea
November 24, 2025
•[ data leak ]
RBKC confirmed that attackers accessed council systems and copied data during a cyber incident identified on November 24. The council reports that only historical data was affected, though exfiltrated information may enter the public domain. Emergency plans were activated and some online services and phone lines were disrupted.
Georgia Superior Court Clerks’ Cooperative Authority
November 8, 2025
•[ ransomware, data leak ]
The Devman ransomware group attacked the Georgia Superior Court Clerks Cooperative Authority beginning November 8, 2025. GSCCCA voluntarily restricted access to its systems while investigating a credible cyber threat. Devman claimed to have exfiltrated 500 GB of organizational data from GSCCCAs application servers and demanded a $400,000 ransom by November 27.
