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.
5,367
Disclosures in the tracker, all years
2,083
Of those, indexed in 2026
147
Added in October
22
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 31 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Critical1 Dec 2025
Massive Credential Compilation
Sector not stated · 2,000,000,000 records
2 billion emails and 1.2 billion passwords compromised in massive compilation leak
1 Dec 2025
Critical1 Dec 2025
Credential Breach (Multiple Sources)
Technology · 2,000,000,000 records
2 billion emails and 1.2 billion passwords compromised in massive data compilation
1 Dec 2025
Critical1 Dec 2025
Unknown (Compiled Data)
Technology · 2,000,000,000 records
2 billion emails and 1.2 billion passwords compromised in massive compilation
1 Dec 2025
Critical1 Dec 2025
Compiled Credential Database
Technology · 2,000,000,000 records
2 billion emails and 1.2 billion passwords compromised
1 Dec 2025
Critical1 Dec 2025
Multiple (Credential Compilation)
Sector not stated · 2,000,000,000 records
2 billion emails and 1.2 billion passwords compromised in massive compilation
1 Dec 2025
High1 Dec 2025
Marquis (Fintech)
Finance · Records not stated
Ransomware attack exposed banking customer data including personal information and financial records
1 Dec 2025
Critical1 Dec 2025
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patients exposed in PEAR ransomware attack on medical billing company
1 Dec 2025
High1 Dec 2025
T-Mobile
Technology · Records not stated
Data breach affecting hundreds of thousands in Washington state
1 Dec 2025
Critical1 Dec 2025
Ernst & Young
Legal · Records not stated
Names, addresses, Social Security numbers, and financial data stolen from third-party platform
1 Dec 2025
High1 Dec 2025
Abbott Laboratories
Healthcare · Records not stated
Cyber incident investigating potential data exposure
1 Dec 2025
Critical1 Dec 2025
Mexican Government Agencies
Government · Records not stated
Single hacker exploited Claude Code and OpenAI tools to breach 9 federal agencies, millions of records stolen
1 Dec 2025
High1 Dec 2025
KT Corp
Technology · Records not stated
Rogue femtocell breach exposed 16,647 subscribers; SMS payment credentials stolen
1 Dec 2025
Critical1 Dec 2025
Multiple Sources (Credential Compilation)
Technology · 2,000,000,000 records
2 billion emails and 1.2 billion passwords compromised in massive data compilation
1 Dec 2025
High1 Dec 2025
Water utilities (12 states)
Government · Records not stated
Cyberattacks on operational technology systems across at least 12 US states including South Dakota and Georgia
1 Dec 2025
High1 Dec 2025
Organisation not named
Finance · Records not stated
The disclosure as indexed does not name the organisation.
Wave of cyberattacks targeting hedge funds and private-equity firms linked to UNC6671 extortion group
1 Dec 2025
High1 Dec 2025
TrueConf
Technology · Records not stated
Hackers breached video conferencing servers and trojanized client installers with backdoors via SQL injection exploitation
1 Dec 2025
High1 Dec 2025
North Carolina Ports Authority
Government · Records not stated
Cyberattack disrupted IT systems and operations at Port of Wilmington; systems being restored
1 Dec 2025
High1 Dec 2025
Trust Wallet
Finance · Records not stated
2000+ cryptocurrency wallets drained; incident disclosed December 2025
1 Dec 2025
High1 Dec 2025
Exact Sciences / Abbott
Healthcare · Records not stated
Data breach exposed sensitive personal information from at-home diagnostic test users
1 Dec 2025
High1 Dec 2025
North Carolina Ports
Sector not stated · Records not stated
Cyberattack forced shift to manual operations, systems restoration in progress
1 Dec 2025
Critical1 Dec 2025
Credential Compilation (Multiple Sources)
Technology · 2,000,000,000 records
2 billion emails and 1.2 billion passwords compromised in massive compilation
1 Dec 2025
Critical1 Dec 2025
Prosper Marketplace and 700Credit
Finance · 20,000,000 records
Data breach affecting approximately 20 million individuals across fintech and car dealership services
1 Dec 2025
High1 Dec 2025
Law firm (unnamed)
Legal · 13,000 records
Cyberattack exposed hospital patient records for 13,000 patients in New Jersey
1 Dec 2025
High1 Dec 2025
Leroy Merlin
Retail · Records not stated
Loyalty program data breach affecting customers
1 Dec 2025
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