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.
5,282
Disclosures in the tracker, all years
1,995
Of those, indexed in 2026
41
Added in October
9
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 17 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,949 results · Disclosures in 2026. Clear filters
High1 Aug 2026
200 accounts compromised; on-premises Microsoft servers affected
Government · Records not stated
200 accounts compromised; on-premises Microsoft servers affected
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 including police and government contact details leaked on dark web by ExfilSquad
1 Aug 2026
High1 Aug 2026
Multiple Hong Kong Firms
Sector not stated · Records not stated
Five Hong Kong organizations breached by Orova ransomware in debut campaign spanning 24 victims
1 Aug 2026
High1 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Hackers exploited SharePoint vulnerabilities to breach Microsoft servers, compromising 200 accounts
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 after anomalies detected in on-premises Microsoft servers
1 Aug 2026
High1 Aug 2026
Framework
Technology · Records not stated
Hackers accessed names, email addresses, phone numbers, and physical addresses of all customers
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 and police/government contact details leaked on dark web by ExfilSquad
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; anomalies detected in on-premises Microsoft servers, SharePoint vulnerabilities suspected
1 Aug 2026
Critical1 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
135,000 contact records stolen; police, government and customer contact details leaked on dark web
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 leaked on dark web; police and government contact details exposed
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, suspected SharePoint vulnerabilities
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 stolen and leaked on dark web by ExfilSquad
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 stolen; police and government data leaked on dark web
1 Aug 2026
High1 Aug 2026
Orova ransomware
Sector not stated · Records not stated
Orova ransomware targeted five Hong Kong organizations in debut campaign across 24 victims in six countries
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 stolen; police, government and customer data leaked on dark web
1 Aug 2026
High1 Aug 2026
Nichirei
Sector not stated · Records not stated
Ransomware attack disrupted operations at Japan-based frozen-food supplier and logistics firm
1 Aug 2026
High1 Aug 2026
AnMed Health
Healthcare · Records not stated
Cyberattack on nonprofit health system forcing facility closures and limited capacity operations
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 patient records exposed in PEAR ransomware attack
1 Aug 2026
High1 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Police, government and customer contact details exposed and leaked on dark web
1 Aug 2026
Critical1 Aug 2026
Conduent
Healthcare · Records not stated
62.2 million healthcare records exposed, third-largest US healthcare breach ever
1 Aug 2026
High1 Aug 2026
Five Hong Kong firms
Sector not stated · Records not stated
Orova ransomware breached five Hong Kong organizations in debut campaign of 24 victims
1 Aug 2026
High1 Aug 2026
Organisation not named
Finance · Records not stated
The disclosure as indexed does not name the organisation.
Wave of cyberattacks by UNC6671 extortion group targeting hedge funds and private-equity firms
1 Aug 2026
Critical1 Aug 2026
Snowflake (multiple customer accounts)
Technology · 165,000,000 records
Company accounts accessed and customer data stolen in cloud data-theft attacks
1 Aug 2026
High1 Aug 2026
Levi Strauss
Retail · Records not stated
Corporate data stolen via social engineering; hackers accessed three employee computers
1 Aug 2026
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