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.

5,609
Disclosures in the tracker, all years
2,123
Of those, indexed in 2026
45
Added in November
45
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 7 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 9 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. Canada5 Nov 2026Burnaby School DistrictThe source does not say how they got in.CBC News
  2. Canada3 Nov 2026Central Okanagan School DistrictThe source does not say how they got in.CBC News
  3. Canada31 Oct 2026ChainalysisHow they got in: automated AI tools that work through many organizations at once.BleepingComputer
  4. Canada29 Oct 2026McCarthy Tétrault (with Davies also reporting a breach)The source does not say how they got in.The Globe and Mail
Medium2 Feb 2023
School District 42
Education · 18,850 records
18,850 records exposed, Email addresses, Names
2 Feb 2023
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
City of Evansville IN
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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