Weekly briefing No. 41 published 4 Oct 2026
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.

5,261
Disclosures in the tracker, all years
1,975
Of those, indexed in 2026
18
Added in October
14
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 10 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

High24 Jun 2021
688K patient records exposed
Healthcare · 688,000 records
688K patient records exposed
24 Jun 2021
High24 Jun 2021
688K patient records exposed
Healthcare · 688,000 records
688K patient records exposed
24 Jun 2021
High24 Jun 2021
688K patient records exposed
Healthcare · 688,000 records
688K patient records exposed
24 Jun 2021
High24 Jun 2021
688K patient records exposed
Healthcare · 688,000 records
688K patient records exposed
24 Jun 2021
High24 Jun 2021
688K patient records exposed
Healthcare · 688,000 records
688K patient records exposed
24 Jun 2021
High24 Jun 2021
688K patient records exposed
Healthcare · 688,000 records
688K patient records exposed
24 Jun 2021
High24 Jun 2021
688K patient records exposed
Healthcare · 688,000 records
688K patient records exposed
24 Jun 2021
High24 Jun 2021
688K patient records exposed
Healthcare · 688,000 records
688K patient records exposed
24 Jun 2021
High24 Jun 2021
688K patient records exposed
Healthcare · 688,000 records
688K patient records exposed
24 Jun 2021
High24 Jun 2021
688K patient records exposed
Healthcare · 688,000 records
688K patient records exposed
24 Jun 2021
Medium22 Jun 2021
Northeast Rehabilitation Hospital
Healthcare · 23,000 records
23K patient records exposed
22 Jun 2021
Critical22 Jun 2021
LinkedIn
Technology · 700,000,000 records
700M user profiles scraped and sold on dark web
22 Jun 2021
High20 Jun 2021
University of California
Education · 547,422 records
547,422 records exposed, Dates of birth, Education levels, Email addresses, Ethnicities and 6 more
20 Jun 2021
High20 Jun 2021
OrthoVirginia
Healthcare · 277,000 records
277K patient records exposed in ransomware
20 Jun 2021
Medium17 Jun 2021
Judson ISD (TX)
Education · Records not stated
18K student records exposed in data breach
17 Jun 2021
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
The Wine Group
Retail · 82,000 records
82K customer records exposed
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
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