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.
5,447
Disclosures in the tracker, all years
2,033
Of those, indexed in 2026
86
Added in October
20
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 22 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.
72 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.
- United Kingdom16 Oct 2026Southville Primary School (Bristol City Council area)The source does not say how they got in.Hits Radio (West of England)
- United Kingdom13 Oct 2026TFG LondonThe source does not say how they got in.BleepingComputer
High1 Jun 2026
T-Mobile
Technology · Records not stated
Data breach exposed customer information; company violated WA notification law with text message notices
1 Jun 2026
Critical1 Jun 2026
Exact Sciences / Abbott
Healthcare · Records not stated
Patient data exposed through at-home diagnostic tests; sensitive and confidential personal information compromised
1 Jun 2026
High1 Jun 2026
Law firm representing hospitals
Legal · 13,000 records
Cyberattack exposed hospital records of nearly 13,000 patients in New Jersey
1 Jun 2026
High1 Jun 2026
Tribeca Festival
Sector not stated · Records not stated
Hundreds of thousands of records and celebrity contact information exposed in data leak
1 Jun 2026
High1 Jun 2026
Allstate
Finance · Records not stated
Employee-related records exposed in data breach
1 Jun 2026
Critical1 Jun 2026
Synnovis/NHS Essex
Healthcare · 900,000 records
Thousands of NHS patient records stolen in ransomware attack affecting Essex NHS trust
1 Jun 2026
High1 Jun 2026
Suno
Technology · Records not stated
Customer records and AI model training data exposed; customers not notified
1 Jun 2026
High1 Jun 2026
Canvas (Learning Management Platform)
Education · Records not stated
Learning platform attacked by ShinyHunters hacker group, security breach disclosed
1 Jun 2026
High1 Jun 2026
Coca-Cola Fairlife
Retail · Records not stated
Ransomware attack shut down $4 billion dairy brand operations
1 Jun 2026
High1 Jun 2026
FirstClass (travel agency)
Sector not stated · Records not stated
Customer records breached by threat actor operating on underground hacking forums
1 Jun 2026
High1 Jun 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Ransomware attack stole thousands of NHS patient records from Mid South Essex Foundation Trust
1 Jun 2026
High1 Jun 2026
FirstClass (Australian Travel Agency)
Sector not stated · Records not stated
Customer records allegedly breached by threat actor operating on underground hacking forums
1 Jun 2026
Critical1 Jun 2026
Elasticsearch Database (Infostealer Logs)
Technology · Records not stated
Publicly exposed database leaked 24 billion stolen credentials, one of largest infostealer compilations
1 Jun 2026
High1 Jun 2026
TrueConf
Technology · Records not stated
Server breach exploited by Head Mare group to trojanize client installers with backdoors
1 Jun 2026
Critical1 Jun 2026
Essex NHS Trust (Synnovis)
Healthcare · 900,000 records
Thousands of patient records stolen in ransomware cyberattack on NHS trust in Essex
1 Jun 2026
Critical1 Jun 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of NHS patient records stolen in ransomware attack affecting Essex NHS trust
1 Jun 2026
Critical1 Jun 2026
Elasticsearch (Infostealer Database)
Technology · Records not stated
Publicly exposed Elasticsearch database leaked 24 billion stolen credentials from infostealer logs
1 Jun 2026
High1 Jun 2026
Synnovis NHS Trust
Healthcare · 900,000 records
Ransomware attack stole thousands of NHS patient records from Essex healthcare trust
1 Jun 2026
High1 Jun 2026
Coca-Cola fairlife
Retail · Records not stated
Ransomware attack shut down dairy operations
1 Jun 2026
High1 Jun 2026
Thousands of NHS patient records
Healthcare · 900,000 records
Thousands of NHS patient records confirmed stolen during ransomware attack disrupting healthcare services
1 Jun 2026
Critical1 Jun 2026
Thousands of patient records stolen in ransomware cyberattack
Healthcare · Records not stated
Thousands of patient records stolen in ransomware cyberattack
1 Jun 2026
High1 Jun 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
135,000 contact records and police/government data leaked on dark web
1 Jun 2026
Critical1 Jun 2026
Synnovis (NHS)
Healthcare · 900,000 records
Thousands of NHS patient records stolen in major ransomware attack affecting healthcare services
1 Jun 2026
Critical1 Jun 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of NHS patient records confirmed stolen in ransomware attack
1 Jun 2026
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