Disclosure tracker › Healthcare disclosures
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Healthcare disclosures
Public breach disclosures from regulators, court filings, company notices and news reporting, each recorded with its date and a link to the original. Updated daily.
5,299
Disclosures in the tracker, all years
2,012
Of those, indexed in 2026
58
Added in October
15
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 18 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
4,964 results · Healthcare disclosures. Clear filters
Critical14 Jun 2021
1.3M patient records exposed in REvil ransomware
Healthcare · 1,300,000 records
1.3M patient records exposed in REvil ransomware
14 Jun 2021
Critical14 Jun 2021
1.3M patient records exposed in REvil ransomware
Healthcare · 1,300,000 records
1.3M patient records exposed in REvil ransomware
14 Jun 2021
Critical14 Jun 2021
1.3M patient records exposed in REvil ransomware
Healthcare · 1,300,000 records
1.3M patient records exposed in REvil ransomware
14 Jun 2021
Critical14 Jun 2021
1.3M patient records exposed in REvil ransomware
Healthcare · 1,300,000 records
1.3M patient records exposed in REvil ransomware
14 Jun 2021
High14 Jun 2021
Humber River Hospital (ON)
Healthcare · Records not stated
System outages from cyberattack forced code grey
14 Jun 2021
Critical14 Jun 2021
1.3M patient records exposed in REvil ransomware
Healthcare · 1,300,000 records
1.3M patient records exposed in REvil ransomware
14 Jun 2021
Medium10 Jun 2021
10 Jun 2021
Critical4 Jun 2021
Forefront Dermatology
Healthcare · 2,400,000 records
2.4M patient records exposed in Cuba ransomware attack
4 Jun 2021
High31 May 2021
31 May 2021
Critical29 May 2021
29 May 2021
Critical29 May 2021
29 May 2021
Critical29 May 2021
29 May 2021
Critical29 May 2021
29 May 2021
Critical29 May 2021
29 May 2021
Critical29 May 2021
29 May 2021
Critical29 May 2021
29 May 2021
Critical29 May 2021
29 May 2021
Critical29 May 2021
29 May 2021
Critical29 May 2021
29 May 2021
Critical29 May 2021
29 May 2021
Critical29 May 2021
29 May 2021
Critical29 May 2021
29 May 2021
Critical29 May 2021
29 May 2021
Critical29 May 2021
29 May 2021
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