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.
5,296
Disclosures in the tracker, all years
2,010
Of those, indexed in 2026
58
Added in October
15
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 18 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,981 results · Disclosures in 2026. Clear filters
High1 Apr 2026
FirstClass
Retail · Records not stated
Australian travel agency customer records compromised; threat actor claimed data on underground hacking forums
1 Apr 2026
Critical1 Apr 2026
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
ShinyHunters breached Rockstar Games via Snowflake; 165 organizations affected in supply chain attack
1 Apr 2026
Critical1 Apr 2026
Rockstar Games
Technology · Records not stated
Breach through compromised Anodot Snowflake access by ShinyHunters group; 165 organizations affected in cascading attack.
1 Apr 2026
Critical1 Apr 2026
CISA (US Cybersecurity Agency)
Government · Records not stated
Breached through Cisco vulnerability; FIRESTARTER backdoor allowed persistent access through March
1 Apr 2026
Critical1 Apr 2026
ANTS (French ID Agency)
Government · 19,000,000 records
Cyberattack exposed 19 million records linked to personal identity data
1 Apr 2026
High1 Apr 2026
Mexican Government Agencies
Government · Records not stated
Single hacker compromised 9 government agencies using Claude Code and OpenAI tools
1 Apr 2026
High1 Apr 2026
U.S. Government Agency (CISA)
Government · Records not stated
Unnamed federal agency breached via Cisco vulnerability; FIRESTARTER backdoor maintained access through March
1 Apr 2026
High1 Apr 2026
Legend Senior Care
Healthcare · Records not stated
Senior care provider affected by ransomware attack exposing patient data
1 Apr 2026
High1 Apr 2026
Windward Life Care
Healthcare · Records not stated
Senior care provider affected by ransomware attack exposing patient data
1 Apr 2026
High1 Apr 2026
South Florida Injury Centers
Healthcare · 1,525 records
1,525 individuals affected; SSNs and medical records exposed
1 Apr 2026
Critical1 Apr 2026
Fortinet
Technology · Records not stated
75,000 firewalls compromised exposing global enterprises
1 Apr 2026
Critical1 Apr 2026
UK Biobank
Healthcare · Records not stated
Confidential health records exposed online and advertised for sale on Chinese website
1 Apr 2026
Critical1 Apr 2026
Intesa Sanpaolo
Finance · Records not stated
Insider threat exposed €31.8m in regulatory fines; employee unlawfully accessed data for 2+ years
1 Apr 2026
High1 Apr 2026
Tribeca Festival
Sector not stated · Records not stated
Data leak exposed hundreds of thousands of records and contact info for celebrities
1 Apr 2026
High1 Apr 2026
Intesa Sanpaolo S.p.A.
Finance · Records not stated
Employee unlawfully accessed customer data over two years
1 Apr 2026
High1 Apr 2026
Nissan
Retail · Records not stated
Data breach involving information held by third-party vendor
1 Apr 2026
High1 Apr 2026
Ryanair
Retail · Records not stated
Attackers claim to have stolen court documents, flight data, and banking details posted on hacker forums.
1 Apr 2026
Critical1 Apr 2026
ANTS (France ID Agency)
Government · 19,000,000 records
Cyberattack exposed 19 million records from French national identity agency
1 Apr 2026
Critical1 Apr 2026
ANTS
Government · 19,000,000 records
Cyberattack on France's national identity agency exposed 19 million records
1 Apr 2026
High1 Apr 2026
SUCCESS
Finance · 253,510 records
253,510 records exposed, Device information, Email addresses, IP addresses, Names and 4 more
1 Apr 2026
Medium31 Mar 2026
Cuties AI
Government · 144,250 records
144,250 records exposed, Avatars, Display names, Email addresses
31 Mar 2026
High27 Mar 2026
BreachForums Version 5
Technology · 339,778 records
339,778 records exposed, Email addresses, Passwords, Usernames
27 Mar 2026
High26 Mar 2026
Sound Radix
Finance · 292,993 records
292,993 records exposed, Email addresses, Names, Passwords
26 Mar 2026
High26 Mar 2026
Scuf Gaming
Technology · 128,683 records
128,683 records exposed, Display names, Email addresses, IP addresses, Passwords and 1 more
26 Mar 2026
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