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.

5,493
Disclosures in the tracker, all years
2,081
Of those, indexed in 2026
144
Added in October
21
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 30 Oct 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 12 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. Germany21 Oct 2026IQ.LvbsThe source does not say how they got in.The Register
High12 Jul 2022
SDEK (Russian Delivery)
Sector not stated · Records not stated
40M package tracking records exposed, sender and recipient data
12 Jul 2022
Medium12 Jul 2022
Bahrain Airport Services
Sector not stated · Records not stated
Cyberattack disrupted airport ground handling systems
12 Jul 2022
Medium12 Jul 2022
Community Surgical Supply
Healthcare · 56,000 records
56K patient records exposed
12 Jul 2022
Medium11 Jul 2022
Lands' End
Retail · 67,000 records
67K customer records exposed
11 Jul 2022
Critical8 Jul 2022
Rogers Communications
Technology · 12,000,000 records
Nationwide outage impacted 12M customers and 911 services
8 Jul 2022
Critical8 Jul 2022
Rogers Communications Outage
Technology · 12,000,000 records
Nationwide network outage affected 12M customers, 911 services disrupted for hours
8 Jul 2022
High8 Jul 2022
CSI Laboratories
Healthcare · 312,000 records
312K patient records exposed in vendor breach
8 Jul 2022
High8 Jul 2022
Celsius Network
Finance · 600,000 records
600K user emails exposed in third-party vendor breach
8 Jul 2022
Medium8 Jul 2022
Dairy Queen
Retail · 42,000 records
42K customer records exposed in point-of-sale breach
8 Jul 2022
Critical6 Jul 2022
Mangatoon
Retail · 23,040,238 records
23,040,238 records exposed, Auth tokens, Avatars, Email addresses, Genders and 4 more
6 Jul 2022
High6 Jul 2022
Mangatoon (Hong Kong)
Technology · 23,000,000 records
23M user records stolen from comic reading app, emails, passwords, social accounts
6 Jul 2022
High6 Jul 2022
Marriott (2022)
Technology · Records not stated
20GB of internal data stolen in social engineering attack
6 Jul 2022
Critical5 Jul 2022
Independent Living Systems
Healthcare · 4,200,000 records
4.2M patient records exposed in network intrusion
5 Jul 2022
Medium4 Jul 2022
Capital Economics
Finance · 263,829 records
263,829 records exposed, Email addresses, Employers, Job titles, Names and 2 more
4 Jul 2022
High4 Jul 2022
La Poste Mobile (France)
Technology · Records not stated
LockBit ransomware compromised customer data, operator forced to shut down website
4 Jul 2022
High3 Jul 2022
Bourse des Vols
Retail · 1,460,130 records
1,460,130 records exposed, Dates of birth, Email addresses, Flights taken, IP addresses and 4 more
3 Jul 2022
High3 Jul 2022
Bookchor
Finance · 498,297 records
498,297 records exposed, Dates of birth, Email addresses, Genders, IP addresses and 4 more
3 Jul 2022
Critical3 Jul 2022
Shanghai National Police Database
Government · Records not stated
1B Chinese citizen records leaked, largest known data breach in history, 23TB
3 Jul 2022
Medium1 Jul 2022
22K records exposed
Government · 22,000 records
22K records exposed
1 Jul 2022
Medium1 Jul 2022
69K records exposed in data breach
Education · 69,000 records
69K records exposed in data breach
1 Jul 2022
Medium1 Jul 2022
22K records exposed
Government · 22,000 records
22K records exposed
1 Jul 2022
Medium1 Jul 2022
69K records exposed in data breach
Education · 69,000 records
69K records exposed in data breach
1 Jul 2022
Medium1 Jul 2022
22K records exposed
Government · 22,000 records
22K records exposed
1 Jul 2022
Medium1 Jul 2022
69K records exposed in data breach
Education · 69,000 records
69K records exposed in data breach
1 Jul 2022
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