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.
5,323
Disclosures in the tracker, all years
2,037
Of those, indexed in 2026
85
Added in October
21
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
Victorian Courts
Government · Records not stated
Hackers leaked sensitive court data to dark web including family violence intervention details
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, likely due to SharePoint vulnerabilities
1 Aug 2026
High1 Aug 2026
Organisation not named
Finance · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack; stolen data deletion confirmed by hacker group
1 Aug 2026
High1 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
135k contact records stolen; police and government contact details leaked on dark web
1 Aug 2026
High1 Aug 2026
Beacon CRM
Sector not stated · Records not stated
Software firm breach affected charities; Charity Commission planning guidance
1 Aug 2026
Critical1 Aug 2026
Victorian Court System
Government · Records not stated
Sensitive data including family violence intervention orders leaked to dark web
1 Aug 2026
High1 Aug 2026
AnMed
Healthcare · Records not stated
Nonprofit health system cyberattack forced facility closures and prolonged recovery
1 Aug 2026
Critical1 Aug 2026
Multiple US Financial Firms
Finance · Records not stated
Hackers breaking into large U.S. financial firms to steal sensitive data and extort victims
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 via anomalies detected in on-premises Microsoft servers
1 Aug 2026
Critical1 Aug 2026
Snowflake
Technology · 165,000,000 records
Credential-based cloud intrusion exposing over 100 million records (2024-2026)
1 Aug 2026
High1 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
135,000 contact records of police and government leaked on dark web by ExfilSquad
1 Aug 2026
High1 Aug 2026
Exact Sciences/Abbott
Healthcare · Records not stated
Personal and confidential information from at-home diagnostic test users exposed
1 Aug 2026
Critical1 Aug 2026
Ernst & Young
Finance · Records not stated
Hackers stole names, addresses, Social Security numbers, and financial information from third-party platform
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, likely through SharePoint vulnerabilities in on-premises Microsoft servers
1 Aug 2026
High1 Aug 2026
NYC Regional Center
Sector not stated · Records not stated
Data breach affecting individuals at NYC Regional Center LLC; compensation lawsuit investigation
1 Aug 2026
High1 Aug 2026
Organisation not named
Finance · Records not stated
The disclosure as indexed does not name the organisation.
Data stolen in ransomware attack; attacker confirmed data deletion
1 Aug 2026
High1 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Police and government contact details, names and emails leaked on dark web
1 Aug 2026
High1 Aug 2026
200 accounts compromised through on-premises Microsoft server vulnerabilities
Government · Records not stated
200 accounts compromised through on-premises Microsoft server vulnerabilities
1 Aug 2026
Critical1 Aug 2026
PEAR ransomware attack
Healthcare · 1,260,000 records
PEAR ransomware attack exposed 1.26 million patients' medical billing data
1 Aug 2026
High1 Aug 2026
Exact Sciences / Abbott
Healthcare · Records not stated
Patient sensitive personal information exposed from at-home diagnostic tests
1 Aug 2026
High1 Aug 2026
Organisation not named
Finance · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack; hackers claim data deletion after extortion
1 Aug 2026
High1 Aug 2026
Police and government contact details
Government · Records not stated
Police and government contact details leaked on dark web including names and emails
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 suspected SharePoint vulnerabilities in on-premises Microsoft servers
1 Aug 2026
Critical1 Aug 2026
1.26 million patients exposed in PEAR ransomware attack
Healthcare · 1,260,000 records
1.26 million patients exposed in PEAR ransomware attack
1 Aug 2026
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