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.

5,416
Disclosures in the tracker, all years
2,131
Of those, indexed in 2026
55
Added in November
27
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 8 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.

78 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. Canada6 Nov 2026Air CreebecThe source does not say how they got in.CTV News
  2. Canada5 Nov 2026Burnaby School DistrictThe source does not say how they got in.CBC News
  3. Canada3 Nov 2026Central Okanagan School DistrictThe source does not say how they got in.CBC News
  4. Canada31 Oct 2026ChainalysisHow they got in: automated AI tools that work through many organizations at once.BleepingComputer
  5. Canada29 Oct 2026McCarthy Tétrault (with Davies also reporting a breach)The source does not say how they got in.The Globe and Mail
Medium4 Apr 2023
City of Westmount (Quebec)
Government · Records not stated
LockBit attacked Montreal suburb, municipal services and resident data exposed
4 Apr 2023
High4 Apr 2023
KNVB (Dutch Football Association)
Sector not stated · Records not stated
LockBit stole 305GB, employee and member data published on dark web
4 Apr 2023
Medium3 Apr 2023
Cardiovascular Group
Healthcare · 69,000 records
69K patient records exposed
3 Apr 2023
Medium2 Apr 2023
Montana State University
Education · Records not stated
27K student records exposed
2 Apr 2023
Critical1 Apr 2023
WebTPA Employer Services
Healthcare · 2,400,000 records
Medical claims administrator hacked in April 2023, 2.4 million individuals notified of exposure
1 Apr 2023
High1 Apr 2023
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Data incident reported on hosting solutions provider affecting clients
1 Apr 2023
High1 Apr 2023
Data breach incident reported; hosting solutions provider compromised
Technology · Records not stated
Data breach incident reported; hosting solutions provider compromised
1 Apr 2023
Medium1 Apr 2023
TorchByte
Technology · Records not stated
Data breach alleged at hosting solutions provider (formerly Tic Hosting Solutions)
1 Apr 2023
Medium1 Apr 2023
City of Florence SC
Government · 18,000 records
18K records exposed in data breach
1 Apr 2023
Medium1 Apr 2023
Alliant Credit Union
Finance · Records not stated
38K member records exposed
1 Apr 2023
High31 Mar 2023
Sundry Files
Retail · 274,461 records
274,461 records exposed, Email addresses, IP addresses, Passwords, Usernames
31 Mar 2023
High31 Mar 2023
Leaked Reality
Retail · 114,907 records
114,907 records exposed, Email addresses, IP addresses, Passwords, Usernames
31 Mar 2023
Critical31 Mar 2023
Capita PLC Breach
Technology · Records not stated
90TB of data stolen, pensions, NHS data, MOD records compromised by Black Basta
31 Mar 2023
Critical29 Mar 2023
3CX
Technology · Records not stated
Desktop VoIP app supply chain attack linked to North Korean Lazarus Group
29 Mar 2023
Medium27 Mar 2023
CommScope
Sector not stated · Records not stated
53K employee records exposed in Vice Society ransomware
27 Mar 2023
Critical26 Mar 2023
Western Digital
Technology · Records not stated
10TB of internal data stolen in BlackCat ransomware
26 Mar 2023
High24 Mar 2023
TheGradCafe
Education · 310,975 records
310,975 records exposed, Email addresses, Genders, Geographic locations, IP addresses and 5 more
24 Mar 2023
Medium23 Mar 2023
6K student records exposed
Education · Records not stated
6K student records exposed
23 Mar 2023
Medium23 Mar 2023
6K student records exposed
Education · Records not stated
6K student records exposed
23 Mar 2023
Medium23 Mar 2023
6K student records exposed
Education · Records not stated
6K student records exposed
23 Mar 2023
Medium23 Mar 2023
6K student records exposed
Education · Records not stated
6K student records exposed
23 Mar 2023
Medium23 Mar 2023
6K student records exposed
Education · Records not stated
6K student records exposed
23 Mar 2023
Medium23 Mar 2023
6K student records exposed
Education · Records not stated
6K student records exposed
23 Mar 2023
Medium23 Mar 2023
6K student records exposed
Education · Records not stated
6K student records exposed
23 Mar 2023
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