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.

5,306
Disclosures in the tracker, all years
2,020
Of those, indexed in 2026
69
Added in October
19
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 20 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.

68 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. Hong Kong16 Oct 2026AOMEI Backupper usersHow they got in: a supplier or vendor that was compromised first.The Hacker News
Critical11 Aug 2026
100K+ police officer records exfiltrated
Government · Records not stated
100K+ police officer records exfiltrated
11 Aug 2026
Critical11 Aug 2026
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
The ransomware-as-a-service operation is finding success against critical infrastructure targets with leaked Conti code and old flaws in firewalls and VPN appliances.
11 Aug 2026
High11 Aug 2026
Telecom Giant (French subsidiaries)
Sector not stated · Records not stated
Subsidiaries breached due to cybersecurity vulnerabilities; fined €42 million by French data regulator
11 Aug 2026
Medium11 Aug 2026
Canopy Support Services Canada
Sector not stated · Records not stated
Canadian nonprofit donor and client data leaked
11 Aug 2026
Critical11 Aug 2026
ADT Security Services
Sector not stated · 30,814 records
5.5M customer records stolen
11 Aug 2026
Critical11 Aug 2026
Madison Square Garden Entertainment
Sector not stated · 26,000,000 records
26M customer records in 45GB dump
11 Aug 2026
Critical11 Aug 2026
Snowflake / Connor Moucka
Technology · 165,000,000 records
Billions of records stolen across 165 orgs
11 Aug 2026
Critical11 Aug 2026
135K law enforcement contact records leaked dark web
Government · Records not stated
135K law enforcement contact records leaked dark web
11 Aug 2026
Critical11 Aug 2026
AnMed Health
Healthcare · Records not stated
Ransomware disrupted hospital systems network-wide
11 Aug 2026
High11 Aug 2026
VIQ Solutions Canada
Legal · Records not stated
Court transcripts accessed via rogue subcontractor
11 Aug 2026
Critical11 Aug 2026
KDDI Japan Email Platform
Technology · 14,200,000 records
14.2M email credentials exposed across 6 ISPs
11 Aug 2026
Critical11 Aug 2026
100K+ officers' contact data leaked
Government · Records not stated
100K+ officers' contact data leaked
11 Aug 2026
Critical11 Aug 2026
CIRO Canada
Finance · Records not stated
750K investors' SINs and financials stolen
11 Aug 2026
Critical11 Aug 2026
100K+ officers and staff contact data leaked
Government · Records not stated
100K+ officers and staff contact data leaked
11 Aug 2026
Critical11 Aug 2026
Puerto Rico Government Agency
Government · Records not stated
Cybersecurity loophole exposed 1 million social security numbers via mapping service
11 Aug 2026
Critical11 Aug 2026
Organisation not named
Healthcare · 1,200,000 records
The disclosure as indexed does not name the organisation.
Ransomware attack exposing personal data of 1.2 million individuals
11 Aug 2026
High11 Aug 2026
Clover Health
Healthcare · Records not stated
Health insurer data breach disclosed in securities filing, data type and scope unknown
11 Aug 2026
High11 Aug 2026
Craneware
Healthcare · Records not stated
Healthcare software vendor breached via supply-chain attack, customer data exposed
11 Aug 2026
Critical11 Aug 2026
100K+ officer and government contacts leaked
Government · Records not stated
100K+ officer and government contacts leaked
11 Aug 2026
Critical11 Aug 2026
135K officer contact records published on dark web
Government · Records not stated
135K officer contact records published on dark web
11 Aug 2026
High11 Aug 2026
Abbott Laboratories
Healthcare · Records not stated
Vishing attack compromised employee credentials
11 Aug 2026
Critical11 Aug 2026
Carnival Corporation
Retail · 6,000,000 records
6M customers hit via social engineering attack
11 Aug 2026
Critical11 Aug 2026
100K+ police officer contacts exposed
Government · Records not stated
100K+ police officer contacts exposed
11 Aug 2026
Critical11 Aug 2026
Navia Benefits
Finance · Records not stated
2.7M SSNs and benefits records exposed
11 Aug 2026
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