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
Critical1 Jul 2026
Snowflake
Technology · 165,000,000 records
Breaches of 165+ organizations exposing 100M+ people's data
1 Jul 2026
High1 Jul 2026
Accenture
Technology · Records not stated
Data breach confirmed; hacker stole 35GB of internal data including source code and credentials
1 Jul 2026
High1 Jul 2026
Network intrusion on Homeland Security Information Network
Government · Records not stated
Network intrusion on Homeland Security Information Network confirmed after initially ruled false positives
1 Jul 2026
High1 Jul 2026
Woori Bank
Finance · 17,551 records
Data breach involving approximately 17,551 customer records due to external contractor negligence
1 Jul 2026
High1 Jul 2026
Department of Homeland Security
Government · Records not stated
Network intrusion on Homeland Security Information Network supporting World Cup operations confirmed
1 Jul 2026
High1 Jul 2026
LVM (Latvia State Forestry)
Sector not stated · Records not stated
Ransomware attack by foreign financially motivated group, systems restoration ongoing
1 Jul 2026
High1 Jul 2026
Accenture
Technology · Records not stated
Data breach: hacker stole 35GB including source code and credentials
1 Jul 2026
High1 Jul 2026
Department of Homeland Security
Government · Records not stated
Network intrusion on Homeland Security Information Network supporting World Cup operations
1 Jul 2026
High1 Jul 2026
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack by foreign financially motivated group, systems restoration ongoing
1 Jul 2026
High1 Jul 2026
Department of Homeland Security
Government · Records not stated
Network intrusion confirmed on Homeland Security Information Network supporting World Cup operations
1 Jul 2026
High1 Jul 2026
River Bank
Finance · Records not stated
Customer data stolen in ransomware attack; hackers confirmed deletion of stolen data
1 Jul 2026
Critical1 Jul 2026
Amgen
Healthcare · Records not stated
Patient health data and intellectual property stolen via compromised cloud environment
1 Jul 2026
Critical1 Jul 2026
Origin Energy
Sector not stated · 2,000,000 records
Data breach with information of 2 million customers stolen by hacker
1 Jul 2026
Critical1 Jul 2026
Accenture
Technology · Records not stated
Data breach with 35GB of internal data including source code and credentials stolen
1 Jul 2026
High1 Jul 2026
Coca-Cola Fairlife
Retail · Records not stated
Ransomware attack on Fairlife dairy subsidiary resulted in data breach
1 Jul 2026
High1 Jul 2026
Comcast Xfinity
Technology · 35,000,000 records
Cyberattack exposed personal information of Xfinity customers; $117.5M settlement
1 Jul 2026
Critical1 Jul 2026
Madera Community Hospital
Healthcare · 150,000 records
150,000 patients' personal, financial, and medical information stolen by extortion group
1 Jul 2026
High1 Jul 2026
Apollo Global Management
Finance · Records not stated
Hackers stole personal information in data breach targeting financial firms
1 Jul 2026
High1 Jul 2026
Hugging Face
Technology · Records not stated
Breach involving rogue AI agent that exposed credentials across multiple services
1 Jul 2026
High1 Jul 2026
Origin Energy
Sector not stated · Records not stated
Approximately 60 customers' full bank accounts and ID numbers accessed in July breach
1 Jul 2026
High1 Jul 2026
Coca-Cola/Fairlife
Retail · Records not stated
Ransomware attack on dairy subsidiary Fairlife resulted in data breach
1 Jul 2026
High1 Jul 2026
Apollo Global Management
Finance · Records not stated
Data breach exposed personal information of customers after hacker attack on financial firm
1 Jul 2026
High1 Jul 2026
Aesto Health
Healthcare · Records not stated
Patient information impacted in data breach; lawsuit possible
1 Jul 2026
Critical1 Jul 2026
Conduent
Healthcare · 62,200,000 records
62.2M people affected in third-largest US healthcare breach ever
1 Jul 2026
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