What was hit
- Health 1
- Companies and software 1
- Other 1
3 incidents in 3 countries · 3 not attributed
6 November 2026
3 events (0 confirmed) and 1 statement.
6 November 2026 in brief
Japanese retailer Nitori Holdings said a third party gained unauthorized access to a system it manages and that up to 37.62 million records of personal information, including names, addresses and phone numbers, may have leaked; nobody has named an actor. [1] A health centre in Chur, Switzerland, said patient and staff data left its network in a cyberattack, and the ransomware group Cloak claimed it. [1] York University in Toronto said an unauthorised actor took personal information submitted through some of its online forms, in a notice made public that day; nobody has named an actor. [1]
Statement
The ransomware group Cloak claimed the attack on the Medizinisches Zentrum Gleis D and Medi Porta in Chur and said it took 87 GB of data, Inside IT reported.
Cloak
6 Nov · to a mixed audience
Reported by Inside IT
Open
Reported
Reported
Reported
Statements (1)
Said
Cloak: The ransomware group Cloak claimed the attack on the Medizinisches Zentrum Gleis D and Medi Porta in Chur and said it took 87 GB of data, Inside IT reported.
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