Weekly briefing No. 41 published 4 Oct 2026
Disclosure tracker › Disclosures in 2026
Intelligence · Disclosure tracker

Disclosures in 2026

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.

5,278
Disclosures in the tracker, all years
1,991
Of those, indexed in 2026
36
Added in October
7
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 14 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

3,944 results · Disclosures in 2026. Clear filters

High1 Sep 2026
CenterPoint Energy
Sector not stated · Records not stated
Data breach confirmed; hacker leaked files stolen from utility company systems
1 Sep 2026
High1 Sep 2026
Carhartt
Retail · Records not stated
Millions of customer records stolen by ShinyHunters ransomware group demanding $3.3 million
1 Sep 2026
High1 Sep 2026
Springfield Public Schools
Education · Records not stated
Student and staff data breached including possibly social security numbers in cyberattack
1 Sep 2026
High1 Sep 2026
Revolut
Finance · Records not stated
Customer data breach affecting user information
1 Sep 2026
Critical1 Sep 2026
Gyazo
Technology · 23,000,000 records
23 million user records and 490 million image metadata records exposed in data breach
1 Sep 2026
High1 Sep 2026
Revolut
Finance · Records not stated
Customer data breach via fake government email requests exposing passports and driving licenses (680 users)
1 Sep 2026
High1 Sep 2026
Spain's AEPD
Government · Records not stated
First AI agent-linked data breach notification received and confirmed
1 Sep 2026
High1 Sep 2026
CenterPoint Energy
Sector not stated · Records not stated
Data breach confirmed with files leaked by hacker, reported to SEC
1 Sep 2026
High1 Sep 2026
Berlin Government
Government · Records not stated
Rhysida ransomware group targeted government network with claimed data theft
1 Sep 2026
High1 Sep 2026
Springfield Public Schools
Education · Records not stated
Student and staff data including possible social security numbers breached in cyberattack
1 Sep 2026
Critical1 Sep 2026
Gyazo
Technology · 23,000,000 records
23 million user records and 490 million image metadata records exposed
1 Sep 2026
High1 Sep 2026
Revolut
Finance · Records not stated
Data breach exposed 700 customer records including passports, IBANs, and transaction history via fake government request
1 Sep 2026
High1 Sep 2026
Trezor
Technology · Records not stated
Data breach of email provider used by hardware crypto wallet maker, second breach affecting company
1 Sep 2026
Critical1 Sep 2026
IDScan
Technology · Records not stated
Data breach exposed 150+ million driver's licenses stolen from identity verification systems
1 Sep 2026
High1 Sep 2026
TD Group
Finance · Records not stated
Organization suffered AuditTeam ransomware attack
1 Sep 2026
High1 Sep 2026
Elixir Medical
Healthcare · Records not stated
Breach exposed SSNs, financial details, and PHI/PII of employees and dependents
1 Sep 2026
High1 Sep 2026
Department
Government · Records not stated
Department investigating data breach affecting driver information
1 Sep 2026
High1 Sep 2026
Spain's data protection authority
Government · Records not stated
Spain's data protection authority suffered data breach executed by autonomous AI agent
1 Sep 2026
High1 Sep 2026
Springfield Public Schools
Education · Records not stated
Cybercriminals breached student and staff data during cyberattack
1 Sep 2026
High1 Sep 2026
CenterPoint Energy
Sector not stated · Records not stated
Data breach exposed customer data; files leaked on dark web after hacker accessed systems
1 Sep 2026
Critical1 Sep 2026
Breach
Healthcare · 727,000 records
Breach exposed 727,000 patient and contact records, resulting in €500,000 CNIL fine
1 Sep 2026
Critical1 Sep 2026
Manchester Airport Group
Sector not stated · 8,700,000 records
Breach hit 8.7 million customers with ~640GB of data extracted, published online Sept 3 2026 by FulcrumSec
1 Sep 2026
High1 Sep 2026
Thomson Reuters
Legal · Records not stated
C-Track platform breach exposed sealed U.S. and Canadian court records and sensitive personal data
1 Sep 2026
Critical1 Sep 2026
Gyazo
Technology · 23,620,000 records
Security breach exposed 23.62 million user records including emails and 490M image metadata
1 Sep 2026
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