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.
5,324
Disclosures in the tracker, all years
2,038
Of those, indexed in 2026
86
Added in October
22
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 21 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Critical1 Aug 2026
Organisation not named
Technology · 165,000,000 records
The disclosure as indexed does not name the organisation.
Hacker stole data from 165+ Snowflake customers, billions of records compromised
1 Aug 2026
High1 Aug 2026
Organisation not named
Finance · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware gang stole data in attack; gang later confirmed data deletion
1 Aug 2026
High1 Aug 2026
Breach
Government · Records not stated
Breach exposed UK police, government and customer contact details on dark web
1 Aug 2026
High1 Aug 2026
River Financial Corporation
Finance · Records not stated
Ransomware attack stole data; hackers confirmed deletion
1 Aug 2026
High1 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
200 accounts compromised in on-premises Microsoft servers, SharePoint vulnerabilities suspected
1 Aug 2026
High1 Aug 2026
Liechtenstein AML Registry
Government · Records not stated
Attackers exfiltrated records on 31,000 legal entities from beneficial ownership registry
1 Aug 2026
Critical1 Aug 2026
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 Aug 2026
Critical1 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Police, government and customer contact information compromised and exposed on dark web
1 Aug 2026
High1 Aug 2026
Aesto Health
Healthcare · Records not stated
Patient information exposed in data breach
1 Aug 2026
High1 Aug 2026
NYC Regional Center, LLC
Sector not stated · Records not stated
Data breach affecting personal information of unknown number of individuals
1 Aug 2026
Critical1 Aug 2026
Coinkite (Coldcard)
Finance · Records not stated
Bitcoin hardware wallet data breach; over $100M worth of bitcoin stolen
1 Aug 2026
High1 Aug 2026
Suno
Technology · Records not stated
Customer records exposed in data breach; some customers not notified
1 Aug 2026
Critical1 Aug 2026
Multiple financial firms
Finance · Records not stated
Hackers breaking into large U.S. financial firms to steal sensitive data and extort victims
1 Aug 2026
Critical1 Aug 2026
Brown Health Medical Group-MA
Healthcare · 311,000 records
311,000 people's personal, medical, and financial information stolen by hackers
1 Aug 2026
High1 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
200 accounts compromised through anomalies detected in on-premises Microsoft servers, SharePoint vulnerabilities suspected
1 Aug 2026
Critical1 Aug 2026
Police National Legal Database
Government · Records not stated
ExfilSquad stole 135,000 contact records and leaked on dark web
1 Aug 2026
Critical1 Aug 2026
Madera Community Hospital
Healthcare · 150,000 records
Extortion group stole personal, financial, and medical information of 150,000 patients
1 Aug 2026
High1 Aug 2026
SK Telecom
Technology · Records not stated
Massive data leak with compensation ordered at $67 per user by Korea's consumer agency
1 Aug 2026
High1 Aug 2026
Yearslong data breach of residents' private health-related information
Government · Records not stated
Yearslong data breach of residents' private health-related information
1 Aug 2026
High1 Aug 2026
Nissan
Sector not stated · Records not stated
SSNs and banking data stolen via Oracle zero-day
1 Aug 2026
High1 Aug 2026
FirstClass
Sector not stated · Records not stated
Australian travel agency customer records allegedly compromised in data breach
1 Aug 2026
Critical1 Aug 2026
Marquis Software Solutions
Finance · Records not stated
Ransomware attack exposes 788,000 financial records and sensitive customer data including names, addresses, card numbers
1 Aug 2026
Critical1 Aug 2026
1 Aug 2026
High1 Aug 2026
Law Firm (unnamed)
Legal · 13,000 records
Breached law firm exposed hospital records for nearly 13,000 patients in New Jersey
1 Aug 2026
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