Weekly briefing No. 42 published 30 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.

5,405
Disclosures in the tracker, all years
2,119
Of those, indexed in 2026
40
Added in November
41
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 6 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 10 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.

  1. Japan29 Oct 2026Japan AirlinesHow they got in: a supplier or vendor that was compromised first.BleepingComputer
  2. Japan29 Oct 2026Sony Network Communications (So-net / Plala ISP)The source does not say how they got in.SecurityWeek
Medium2 Feb 2023
Tallahassee Memorial HealthCare
Healthcare · 20,000 records
20K patient records exposed in ransomware
2 Feb 2023
High2 Feb 2023
Cardiovascular Associates
Healthcare · 441,000 records
441K patient records exposed in Karakurt ransomware
2 Feb 2023
Medium2 Feb 2023
84K student records exposed in data breach
Education · Records not stated
84K student records exposed in data breach
2 Feb 2023
Critical2 Feb 2023
Community Health Systems (GoAnywhere)
Healthcare · 1,000,000 records
1M patient records exposed in Fortra GoAnywhere MFT vulnerability
2 Feb 2023
Critical1 Feb 2023
GoodRx (FTC fine)
Healthcare · 1,500,000 records
$1.5M FTC fine for sharing health data, 1.5M users affected
1 Feb 2023
Critical1 Feb 2023
GoodRx
Healthcare · 1,500,000 records
1.5M user prescription data shared with Facebook via tracking pixel
1 Feb 2023
Medium1 Feb 2023
South Adams Schools (IN)
Education · Records not stated
9K student records exposed
1 Feb 2023
Medium1 Feb 2023
Dairy Farmers of America
Retail · Records not stated
12K employee records exposed in ransomware
1 Feb 2023
Medium1 Feb 2023
Grubhub
Retail · 74,000 records
74K user records exposed in contractor account compromise
1 Feb 2023
High31 Jan 2023
Planet Ice
Retail · 240,488 records
240,488 records exposed, Dates of birth, Email addresses, Genders, IP addresses and 5 more
31 Jan 2023
High31 Jan 2023
ION Trading UK
Finance · Records not stated
LockBit ransomware disrupted derivatives trading, City of London firms impacted
31 Jan 2023
Medium31 Jan 2023
Nantucket Public Schools (MA)
Education · Records not stated
3,200 student records exposed in ransomware
31 Jan 2023
Critical30 Jan 2023
JD Sports (UK)
Retail · 10,000,000 records
10M customer records exposed, names, addresses, emails, phone numbers, order details
30 Jan 2023
Medium30 Jan 2023
Tucson Unified School District
Education · Records not stated
29K student and employee records exposed in ransomware
30 Jan 2023
High30 Jan 2023
Brightline / Fortra
Healthcare · Records not stated
964K pediatric mental health records exposed
30 Jan 2023
High29 Jan 2023
Hatch Bank
Finance · 140,000 records
140K customer records exposed in Fortra GoAnywhere breach
29 Jan 2023
High27 Jan 2023
Ransomware disrupted city email and phone systems
Government · Records not stated
Ransomware disrupted city email and phone systems
27 Jan 2023
High27 Jan 2023
Ransomware disrupted city email and phone systems
Government · Records not stated
Ransomware disrupted city email and phone systems
27 Jan 2023
High27 Jan 2023
Ransomware disrupted city email and phone systems
Government · Records not stated
Ransomware disrupted city email and phone systems
27 Jan 2023
High27 Jan 2023
Ransomware disrupted city email and phone systems
Government · Records not stated
Ransomware disrupted city email and phone systems
27 Jan 2023
High27 Jan 2023
Ransomware disrupted city email and phone systems
Government · Records not stated
Ransomware disrupted city email and phone systems
27 Jan 2023
High27 Jan 2023
Ransomware disrupted city email and phone systems
Government · Records not stated
Ransomware disrupted city email and phone systems
27 Jan 2023
High27 Jan 2023
Ransomware disrupted city email and phone systems
Government · Records not stated
Ransomware disrupted city email and phone systems
27 Jan 2023
High27 Jan 2023
Ransomware disrupted city email and phone systems
Government · Records not stated
Ransomware disrupted city email and phone systems
27 Jan 2023
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