Disclosure tracker › Legal disclosures
Intelligence · Disclosure tracker
Legal disclosures
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.
5,278
Disclosures in the tracker, all years
1,991
Of those, indexed in 2026
37
Added in October
7
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 15 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
184 results · Legal disclosures. Clear filters
High1 Nov 2025
New Hampshire Supreme Court
Legal · Records not stated
13 years of case files exposed; stranger had unauthorized access to court records for extended period
1 Nov 2025
High1 Jul 2025
EY
Legal · Records not stated
ShinyHunters claims breach with stolen tax-related client documents threatened for release
1 Jul 2025
High1 Jun 2025
LexisNexis
Legal · Records not stated
Suspicious activity detected on servers; Diligence, Metabase API, and Newsdesk services shut down
1 Jun 2025
Critical1 Jul 2024
EY
Legal · Records not stated
ShinyHunters claims breach with tax-related client documents and stolen data threatened for release
1 Jul 2024
High1 Jun 2024
Kirkland & Ellis
Legal · Records not stated
World's largest law firm by revenue affected by MOVEit data breach; sued in class action
1 Jun 2024
High1 Jun 2024
Ernst & Young
Legal · Records not stated
Data breach exposed client personal and financial tax records through unauthorized access
1 Jun 2024
High1 Jun 2024
Kirkland & Ellis
Legal · Records not stated
Law firm data exposed through MOVEit vulnerability; subject of class action lawsuit
1 Jun 2024
High1 May 2024
Taft Stettinius
Legal · Records not stated
Law firm reported data breach among 21 law firms breached in 2024
1 May 2024
High1 Apr 2024
Ernst & Young
Legal · Records not stated
Third-party IT service management platform breach exposing client tax data between March 28-April 12, 2024
1 Apr 2024
Medium1 Apr 2024
Shook Lin & Bok
Legal · Records not stated
Singapore law firm hit by cyberattack in April 2024, no evidence of client data theft reported
1 Apr 2024
High10 Jun 2023
Cadwalader Wickersham & Taft
Legal · Records not stated
Data breach affecting client confidential records
10 Jun 2023
High1 Jun 2023
Kirkland & Ellis
Legal · Records not stated
Law firm's client data exposed via MOVEit Transfer vulnerability
1 Jun 2023
High1 Jun 2023
Kirkland & Ellis
Legal · Records not stated
Law firm affected by MOVEit data breach, pulled into class action litigation
1 Jun 2023
High1 Jun 2023
Kirkland & Ellis
Legal · Records not stated
Law firm affected by MOVEit supply chain data breach exposing client data
1 Jun 2023
High1 Jun 2023
Kirkland & Ellis
Legal · Records not stated
Law firm data exposed through MOVEit vulnerability affecting multiple organizations
1 Jun 2023
High1 Jun 2023
Kirkland & Ellis
Legal · Records not stated
Law firm data exposed in MOVEit vulnerability exploitation affecting multiple organizations
1 Jun 2023
High31 May 2023
Kirkland & Ellis
Legal · Records not stated
Client data exposed in MOVEit breach affecting multiple matters
31 May 2023
Critical28 Apr 2023
HWL Ebsworth (Law Firm)
Legal · Records not stated
ALPHV/BlackCat stole 4TB from top-tier Australian law firm, client legal data published
28 Apr 2023
High28 Apr 2023
HWL Ebsworth
Legal · 65,000 records
65K client and case files stolen in ALPHV/BlackCat ransomware
28 Apr 2023
High20 Apr 2023
Goodwin Procter (Canada ops)
Legal · Records not stated
Law firm data breach impacted Canadian operations
20 Apr 2023
High8 Mar 2023
8 Mar 2023
High28 Feb 2023
Orrick Herrington & Sutcliffe
Legal · 637,000 records
637K client records exposed in data breach
28 Feb 2023
Medium3 Feb 2023
Bryan Cave Leighton Paisner
Legal · 51,000 records
51K records exposed affecting Mondelez employees
3 Feb 2023
High5 Oct 2022
Cassels Brock & Blackwell
Legal · Records not stated
Major Canadian law firm targeted in cyberattack
5 Oct 2022
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