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.
5,367
Disclosures in the tracker, all years
2,083
Of those, indexed in 2026
0
Added in November
22
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 1 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Worldwide · How they got in
Incidents worldwide, by country.
77 incidents from 11 countries in the last 90 days, each from a public source and reviewed before it is shown. Where the source says how the attackers got in, the row says so.
- Germany21 Oct 2026IQ.LvbsThe source does not say how they got in.The Register
Critical1 May 2024
Canvas (Instructure)
Education · 275,000,000 records
ShinyHunters claimed breach exposing data of approximately 275 million users on educational platform
1 May 2024
Critical1 May 2024
LendingTree
Finance · Records not stated
Customer data exposed through Snowflake vulnerability affecting largest data breaches ever
1 May 2024
Critical1 May 2024
Advanced Auto Parts
Retail · Records not stated
Customer data exposed through Snowflake vulnerability affecting largest data breaches ever
1 May 2024
Critical1 May 2024
Snowflake Customers (165 organizations)
Technology · 165,000,000 records
UNC5537 targeted 165 Snowflake customers including Advanced Auto Parts and LendingTree; extortionists obtained $2.7M
1 May 2024
Critical1 May 2024
Snowflake customers
Technology · 165,000,000 records
165 Snowflake customers' data breached via identity-based attacks; UNC5537 extortion campaign
1 May 2024
High30 Apr 2024
MovieBoxPro
Technology · 6,009,014 records
6,009,014 records exposed, Email addresses, Usernames
30 Apr 2024
Critical28 Apr 2024
London Drugs (BC)
Retail · Records not stated
Ransomware shut down 79 stores for a week across Western Canada
28 Apr 2024
High28 Apr 2024
London Drugs Ransomware 2024
Retail · Records not stated
LockBit ransomware forced closure of 79 stores across Western Canada, employee data stolen
28 Apr 2024
High28 Apr 2024
London Drugs (US)
Sector not stated · Records not stated
LockBit ransomware closed all pharmacy locations temporarily
28 Apr 2024
High26 Apr 2024
Piping Rock
Healthcare · 2,103,100 records
2,103,100 records exposed, Email addresses, Names, Phone numbers, Physical addresses
26 Apr 2024
Critical24 Apr 2024
Dropbox Sign
Technology · 33,000,000 records
33M user records exposed in authentication breach
24 Apr 2024
High22 Apr 2024
T2
Retail · 94,584 records
94,584 records exposed, Dates of birth, Email addresses, Names, Passwords and 4 more
22 Apr 2024
High18 Apr 2024
Le Slip Français
Technology · 1,495,127 records
1,495,127 records exposed, Email addresses, Names, Phone numbers, Physical addresses
18 Apr 2024
Critical18 Apr 2024
Synlab Italia
Healthcare · Records not stated
Black Basta stole 1.5TB of medical data from Italian lab network
18 Apr 2024
High17 Apr 2024
NorthBay Healthcare
Healthcare · 570,000 records
570K patient records exposed in data breach
17 Apr 2024
Critical17 Apr 2024
WebTPA
Healthcare · 2,500,000 records
2.5M patient records exposed in health plan administrator breach
17 Apr 2024
High15 Apr 2024
15 Apr 2024
Critical14 Apr 2024
Frontier Communications
Technology · 2,000,000 records
2M customer records exposed in BlackCat ransomware
14 Apr 2024
Critical14 Apr 2024
AT&T (call records)
Technology · 110,000,000 records
110M customer call and text metadata stolen from Snowflake environment
14 Apr 2024
High13 Apr 2024
MediSecure (US operations)
Healthcare · 700,000 records
700K patient e-prescription records exposed
13 Apr 2024
High12 Apr 2024
Giant Tiger
Retail · 2,842,669 records
2,842,669 records exposed, Email addresses, Names, Phone numbers, Physical addresses
12 Apr 2024
High12 Apr 2024
12 Apr 2024
Critical12 Apr 2024
Kaiser Permanente
Healthcare · Records not stated
13.4M members data shared with advertisers via tracking pixels
12 Apr 2024
Critical10 Apr 2024
1M dental insurance member records exposed
Healthcare · Records not stated
1M dental insurance member records exposed
10 Apr 2024
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