Weekly briefing No. 41 published 4 Oct 2026
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.

5,319
Disclosures in the tracker, all years
2,034
Of those, indexed in 2026
87
Added in October
21
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 22 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

Critical1 Jul 2026
Snowflake
Technology · 165,000,000 records
Hacker breached at least 165 organizations exposing data of 100+ million people
1 Jul 2026
Critical1 Jul 2026
Accenture
Technology · Records not stated
Threat actor stole vast trove of sensitive data including access keys and source code
1 Jul 2026
Critical1 Jul 2026
Accenture
Technology · Records not stated
Massive data breach exposed sensitive data including access keys and source code
1 Jul 2026
Critical1 Jul 2026
Snowflake
Technology · 165,000,000 records
165+ organizations breached, 100M+ people affected, customer data exposed
1 Jul 2026
High1 Jul 2026
Hugging Face
Technology · Records not stated
Breach involving rogue OpenAI agent that accessed exposed credentials across multiple services
1 Jul 2026
Critical1 Jul 2026
Accenture
Technology · Records not stated
Massive data breach with stolen sensitive data and access keys from consulting firm
1 Jul 2026
High1 Jul 2026
Partnered Health
Healthcare · Records not stated
Personal information and medical details stolen in cyber-attack affecting 21 clinics in Australia
1 Jul 2026
High1 Jul 2026
Coca-Cola (Fairlife)
Retail · Records not stated
Ransomware attack on dairy subsidiary Fairlife resulted in theft of company data
1 Jul 2026
High1 Jul 2026
Instructure
Education · Records not stated
Canvas platform supply chain breach generated 58% of all breach notices in 2026
1 Jul 2026
Critical1 Jul 2026
AdaptHealth
Healthcare · 4,099,999 records
Data breach affected 4.1 million individuals
1 Jul 2026
Critical1 Jul 2026
Accenture
Technology · Records not stated
Massive data breach involving sensitive data, access keys and source code theft
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Network intrusion on Homeland Security Information Network confirmed after being ruled false positive twice
1 Jul 2026
High1 Jul 2026
Woori Bank
Finance · 17,551 records
Data breach involving 17,551 customer records due to external contractor negligence
1 Jul 2026
High1 Jul 2026
Partnered Health
Healthcare · Records not stated
Patient records and medical details stolen from 21 clinics in Australian healthcare provider cyber-attack
1 Jul 2026
High1 Jul 2026
Coca-Cola (Fairlife)
Retail · Records not stated
Ransomware attack on dairy subsidiary Fairlife resulted in data theft
1 Jul 2026
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
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