Kering
June 12, 2025
•[ hack, leak, retail ]
Kering confirms June 2025 intrusion affecting multiple brands; ShinyHunters claims Salesforce-based exfiltration (43M+ Gucci, ~13M others); media verified samples and 7.4M unique emails; Kering says no financial/ID data; denies negotiations, which DataBreaches disputes with chat logs and a BTC micro-payment.
Sturgis Hospital
June 12, 2025
•[ hack, healthcare ]
Sturgis Hospital confirmed a second unauthorized network access event discovered in June 2025 while investigating an earlier breach. The incident involved potential access to protected health information. No ransomware or disruption to hospital operations was reported.
Phil Smith Automotive Group
June 10, 2025
•[ hack, retail ]
Unauthorized access to Phil Smith Automotive Group systems resulted in exfiltration of personal data. Approximately 12,274 individuals were affected. No encryption occurred; breach notices were mailed July 31, 2025.
Precision Endodontics of Raleigh
June 10, 2025
•[ hack, healthcare ]
Precision Endodontics discovered unauthorized access to an email account on June 10, 2025. The breach exposed patient names and email addresses, and for some individuals, patient portal usernames and passwords. No misuse has been identified. The incident was reported to HHS-OTCR on August 5 and security improvements have been implemented.
Chess.com
June 5, 2025
•[ hack ]
Chess.com says 4,500 people had data stolen during June breach.
West Texas Oral Facial Surgery
May 29, 2025
•[ hack, ransomware, leak ]
West Texas Oral Facial Surgery suffered a cyberattack beginning May 29, 2025, when INC RANSOM gained unauthorized access to its systems. Patient files including names, imaging data, and treatment reasons were exfiltrated, but no encryption of systems was reported. SSNs, financial information, and the electronic medical records system were not affected. The breach impacted over 11,000 individuals and was reported to HHS-OCR on August 2 and to the Texas Attorney General on August 4.
SonicWall
May 9, 2025
•[ hack, brute-force, technology ]
Threat actors brute-forced the MySonicWall portal and accessed cloud backup firewall preference files for a subset of customers (<5%). SonicWall terminated access, issued Essential Credential Reset guidance, and involved law enforcement. Risk centers on reuse of secrets/config intelligence for follow-on compromises.
Unnamed U.S. Banking Organization
May 9, 2025
•[ social, misconfiguration, finance ]
ReliaQuest links Scattered Spider to renewed activity against U.S. financial services, including a bank intrusion achieved via social engineering + Azure AD SSPR, followed by lateral movement (Citrix/VPN), ESXi compromise, and cloud data access attempts (Snowflake/AWS).
KazMunaiGas
May 5, 2025
•[ social, hack, phishing ]
A spear-phishing campaign disguised as internal HR communications delivered multi-stage malware to KMG employees. Attackers used a compromised business email, LNK downloader, PowerShell (DOWNSHELL), and DLL implant to establish reverse shell access. KMG later labeled it a phishing test.
Multiple devices at undisclosed telecommunications firm(s)
May 1, 2025
•[ social, hack, phishing ]
UNC1549 (Subtle Snail) compromised multiple devices at an undisclosed telecommunications firm in Canada using LinkedIn job-lures and the MINIBIKE backdoor; Azure-hosted C2 infrastructure was observed. No confirmed data exfiltration volumes or operational disruption reported.
Multiple devices at undisclosed telecommunications firm(s)
May 1, 2025
•[ social, hack, malware ]
UNC1549 (Subtle Snail) compromised multiple devices at an undisclosed telecommunications firm in United Arab Emirates using LinkedIn job-lures and the MINIBIKE backdoor; Azure-hosted C2 infrastructure was observed. No confirmed data exfiltration volumes or operational disruption reported.
Multiple devices at undisclosed telecommunications firm(s)
May 1, 2025
•[ social, hack, malware ]
UNC1549 (Subtle Snail) compromised multiple devices at an undisclosed telecommunications firm in United Kingdom using LinkedIn job-lures and the MINIBIKE backdoor; Azure-hosted C2 infrastructure was observed. No confirmed data exfiltration volumes or operational disruption reported.
Multiple devices at undisclosed telecommunications firm(s)
May 1, 2025
•[ hack, social, malware ]
UNC1549 (Subtle Snail) compromised multiple devices at an undisclosed telecommunications firm in United States of America using LinkedIn job-lures and the MINIBIKE backdoor; Azure-hosted C2 infrastructure was observed. No confirmed data exfiltration volumes or operational disruption reported.
City of Tahlequah municipal systems
April 30, 2025
•[ hack, government ]
City of Tahlequah reported a cyberattack; IT isolated affected systems the same day. Officials reported no ransomware encryption and no evidence of data exfiltration or resident impact.
Bartlesville Public Schools
April 30, 2025
•[ hack, education ]
On April 30, 2025, unauthorized intruders stole files from Bartlesville Public Schools containing names and Social Security numbers of staff and students. The breach was discovered by August 4 and reported on August 27. Affected individuals received credit monitoring support.
Synthient Stealer Log Threat Data
April 11, 2025
•[ hack, malware, technology ]
During 2025, Synthient aggregated billions of records of "threat data" from various internet sources. The data contained 183M unique email addresses alongside the websites they were entered into and the passwords used. After normalising and deduplicating the data, 183 million unique email addresses remained, each linked to the website where the credentials were captured, and the password used. This dataset is now searchable in HIBP by email address, password, domain, and the site on which the credentials were entered.
Synthient Credential Stuffing Threat Data
April 11, 2025
•[ hack, brute-force, technology ]
During 2025, the threat-intelligence firm Synthient aggregated 2 billion unique email addresses disclosed in credential-stuffing lists found across multiple malicious internet sources. Comprised of email addresses and passwords from previous data breaches, these lists are used by attackers to compromise other, unrelated accounts of victims who have reused their passwords. The data also included 1.3 billion unique passwords, which are now searchable in Pwned Passwords.
Troy Hunt's Mailchimp List
March 25, 2025
•[ hack, phishing, technology ]
In March 2025, a phishing attack successfully gained access to Troy Hunt's Mailchimp account and automatically exported a list of people who had subscribed to the newsletter for his personal blog. The exported list contained 16k email addresses and other data automatically collected by Mailchimp including IP address and a derived latitude, longitude and time zone.
Fundamental Administrative Services, LLC
March 21, 2025
•[ hack, healthcare ]
On March 21, 2025, Fundamental Administrative Services, a healthcare management company based in Maryland, confirmed a data breach after discovering unauthorized access. Sensitive PII and PHI belonging to 56,235 patients was stolen, including SSNs, medical, and insurance data. No encryption or service disruption was reported.
Central Maine Healthcare
March 19, 2025
•[ hack, healthcare ]
An unauthorized actor accessed Central Maine Healthcares IT environment between March 19 and June 1, 2025, compromising sensitive patient data; systems were secured immediately and patient notifications began in late July 2025
