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.

5,328
Disclosures in the tracker, all years
2,042
Of those, indexed in 2026
95
Added in October
24
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 22 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

Critical1 May 2020
IRS unemployment fraud
Government · Records not stated
Millions of fraudulent unemployment claims filed using stolen identities
1 May 2020
Critical24 Apr 2020
Inmediata Health (PR)
Healthcare · 1,570,000 records
1.57M patient records exposed via website misconfiguration
24 Apr 2020
Medium22 Apr 2020
Vianet
Technology · 94,353 records
94,353 records exposed, Email addresses, Names, Phone numbers, Physical addresses
22 Apr 2020
High22 Apr 2020
Service NSW
Government · 186,000 records
738GB of data stolen from 47 employee email accounts, 186,000 customers affected
22 Apr 2020
Medium22 Apr 2020
OSF HealthCare
Healthcare · 53,000 records
53K patient records exposed in email compromise
22 Apr 2020
Medium21 Apr 2020
North Shore Pain Management
Healthcare · 12,000 records
12K patient records exposed
21 Apr 2020
High20 Apr 2020
Nintendo
Technology · 300,000 records
300K user accounts compromised in credential stuffing
20 Apr 2020
High20 Apr 2020
MedStar Health
Healthcare · 183,000 records
183K patient records exposed in email compromise
20 Apr 2020
Critical19 Apr 2020
Aptoide
Retail · 20,012,235 records
20,012,235 records exposed, Browser user agent details, Email addresses, IP addresses, Names and 1 more
19 Apr 2020
High17 Apr 2020
Nuvance Health
Healthcare · 314,000 records
314K patient records exposed in phishing / email compromise
17 Apr 2020
Critical15 Apr 2020
Teespring / Spring
Technology · 8,199,999 records
8.2M user records exposed
15 Apr 2020
High15 Apr 2020
Gateway Health Plan
Healthcare · Records not stated
100K member records exposed in data breach
15 Apr 2020
Medium13 Apr 2020
US Owner-Run Firm Administration
Government · Records not stated
8K EIDL applicant records exposed in COVID loan portal
13 Apr 2020
Critical13 Apr 2020
Aptoide
Technology · 20,000,000 records
20M user records exposed
13 Apr 2020
High13 Apr 2020
Zoom
Technology · 500,000 records
500K account credentials sold on dark web
13 Apr 2020
Critical11 Apr 2020
Magellan Health
Healthcare · Records not stated
1.7M member records exposed in social engineering / ransomware attack
11 Apr 2020
Medium10 Apr 2020
Columbia College Chicago
Education · Records not stated
73K student and employee records exposed
10 Apr 2020
High9 Apr 2020
Florida Orthopaedic Institute
Healthcare · 640,000 records
640K patient records exposed in ransomware attack
9 Apr 2020
High7 Apr 2020
City of Rialto CA
Government · Records not stated
DoppelPaymer ransomware encrypted city systems
7 Apr 2020
Critical6 Apr 2020
HTC Mania
Technology · 1,488,089 records
1,488,089 records exposed, Dates of birth, Email addresses, Historical passwords, IP addresses and 2 more
6 Apr 2020
High4 Apr 2020
OGUsers (2020 breach)
Retail · 263,189 records
263,189 records exposed, Email addresses, IP addresses, Passwords, Private messages and 1 more
4 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
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