Intelligence · Disclosure tracker
Every public disclosure, dated and sourced.
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.
5,272
Disclosures in the tracker, all years
1,985
Of those, indexed in 2026
28
Added in October
14
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 11 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
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
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
North Korean Kimsuky group compromised nuclear research institute systems
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
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
North Korean Kimsuky group compromised nuclear research institute systems
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
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
North Korean Kimsuky group compromised nuclear research institute systems
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
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
North Korean Kimsuky group compromised nuclear research institute systems
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
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
North Korean Kimsuky group compromised nuclear research institute systems
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
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
North Korean Kimsuky group compromised nuclear research institute systems
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
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
North Korean Kimsuky group compromised nuclear research institute systems
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
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
North Korean Kimsuky group compromised nuclear research institute systems
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
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
North Korean Kimsuky group compromised nuclear research institute systems
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
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
North Korean Kimsuky group compromised nuclear research institute systems
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
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
North Korean Kimsuky group compromised nuclear research institute systems
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
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
North Korean Kimsuky group compromised nuclear research institute systems
14 Jun 2021
Were you affected?