Operation Endgame 2.0
June 23, 2025
•[ ransomware, malware, government ]
In May 2025, a coalition of law enforcement agencies took down the criminal infrastructure behind the malware used to launch ransomware attacks in a new phase of "Operation Endgame". This followed the first Operation Endgame exercise a year earlier, with the latest action resulting in 15.3M victim email addresses being provided to HIBP by law enforcement. A further 43.8M victim passwords were also provided for HIBP's Pwned Passwords service.
La Poste Mobile
July 4, 2022
•[ ransomware, financial, technology ]
In July 2022, the French telecommunications company La Poste Mobile was the target of an attack by the LockBit ransomware which resulted in company data being published publicly. The impacted data included 533k unique email addresses along with names, physical addresses, phone numbers, dates of births, genders and banking information. 10 days after the attack, the La Poste Mobile website remained offline.
Phone House España
April 8, 2021
•[ ransomware, leak, malware ]
In April 2021, the Spanish retailer Phone House allegedly suffered a ransomware attack that also exposed significant volumes of customer data. Attributed to the Babuk ransomware, a collection of data alleged to be a subset of a larger corpus was posted to a dark web site and contained 5.2M email addresses along with names, nationalities, genders, dates of birth, phone numbers and physical addresses. Phone House has been threatened with further releases if a ransom is not paid.
Open Subtitles
August 1, 2021
•[ ransomware, misconfiguration, technology ]
In August 2021, the subtitling website Open Subtitles suffered a data breach and subsequent ransom demand. The breach exposed almost 7M subscribers' personal data including email and IP addresses, usernames, the country of the user and passwords stored as unsalted MD5 hashes.
Viva Air
March 14, 2022
•[ ransomware, malware ]
In March 2022, the now defunct Colombian airline Viva Air suffered a data breach and subsequent ransomware attack. Among a trove of other ransomed data, the incident exposed a log of 2.6M transactions with 932k unique email addresses, physical and IP addresses, names, phone numbers and partial credit card data (last 4 digits).
CloudPets
January 1, 2017
•[ leak, ransomware, misconfiguration ]
In January, the maker of teddy bears that record children's voices and sends them to family and friends via the internet CloudPets left their database publicly exposed and it was subsequently downloaded by external parties (the data was also subject to 3 different ransom demands). 583k records were provided to HIBP via a data trader and included email addresses and bcrypt hashes, but the full extent of user data exposed by the system was over 821k records and also included children's names and references to portrait photos and voice recordings.
BTC-Alpha
November 2, 2021
•[ ransomware, malware, finance ]
In November 2021, the crypto exchange platform BTC-Alpha suffered a ransomware attack data breach after which customer data was publicly dumped. The impacted data included 362k email and IP addresses, usernames and passwords stored as PBKDF2 hashes. The data was provided to HIBP by a source who requested it be attributed to "white_peacock@riseup.net".
Vastaamo
March 31, 2019
•[ ransomware, malware, healthcare ]
In October 2020, the Finnish psychotherapy service Vastaamo was the subject of a ransomware attack targeting first the company itself, followed by their patients directly. The original security incident dates back to a period between late 2018 and early 2019 and exposed data including 30k unique email addresses, names, social security numbers and notes on individuals' psychotherapy sessions. This breach has been flagged as "sensitive" and is only searchable by owners of the email addresses and domains exposed in the incident.
Guardian Healthcare
November 8, 2024
•[ ransomware, malware, healthcare ]
Guardian Healthcare is the victim of a Stormous ransomware attack. The threat actors leaked 3 GB of files, many of which contain protected health information (PHI) of patients.
Houston Housing Authority
September 22, 2024
•[ ransomware, malware, government ]
The Houston Housing Authority falls victim of a ransomware attack.
Housing Authority of the City of Los Angeles
November 1, 2024
•[ ransomware, malware, government ]
The Housing Authority of the City of Los Angeles (HACLA), one of the largest public housing authorities in the United States, confirms that a cyberattack hit its IT network after recent breach claims from the Cactus ransomware gang.
Undisclosed organization
September 5, 2024
•[ ransomware, malware ]
Researchers at Palo Alto discover a ransomware incident where the threat actor Jumpy Pisces, tied to North Korea, collaborated with the Play ransomware group.
Rocky Mountain Gastroenterology
February 22, 2024
•[ ransomware, malware, healthcare ]
Rocky Mountain Gastroenterology suffers a triple ransomware attack.
