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.
5,373
Disclosures in the tracker, all years
2,087
Of those, indexed in 2026
5
Added in November
25
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 2 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Critical16 Jun 2021
Cognyte
Technology · Records not stated
5B breach records database left exposed without authentication
16 Jun 2021
Critical15 Jun 2021
Fotolog
Technology · 16,717,854 records
16,717,854 records exposed, Email addresses, Passwords, Usernames
15 Jun 2021
Critical15 Jun 2021
CVS Health
Healthcare · 8,000,000 records
8M customer search records exposed via website misconfiguration
15 Jun 2021
High15 Jun 2021
UMass Memorial Health
Healthcare · 209,000 records
209K patient records exposed in email breach
15 Jun 2021
Medium15 Jun 2021
15 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
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