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.
5,278
Disclosures in the tracker, all years
1,992
Of those, indexed in 2026
41
Added in October
9
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 16 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
High5 Aug 2026
Organisation not named
Healthcare · 102,215 records
The disclosure as indexed does not name the organisation.
Brazil's SISVISA health surveillance system left 102,215 files totaling 79GB open online, including tax IDs and identity documents, without password protection.
5 Aug 2026
Critical5 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Unitel, Angola's dominant mobile operator, continues to recover from a cyberattack that caused outages the day of the government-owned telco's public offering.
5 Aug 2026
Medium4 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
The UK’s Police National Legal Database and Ask the Police service have been breached
4 Aug 2026
Medium4 Aug 2026
Swiss federal IT office
Government · 200 records
SwissInfo.ch reports: Following a cyberattack on the SharePoint servers operated by the Federal Office of Information Technology, Systems and Telecommunication (FOITT), access via the internet has been blocked for…
4 Aug 2026
Medium4 Aug 2026
Swiss IT agency
Government · Records not stated
The Federal Office for Information Technology and Communications (BIT) said specialists detected anomalies in on-premises Microsoft servers. The Swiss agency could not confirm exactly how the hackers got in.
4 Aug 2026
Medium4 Aug 2026
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Reports said intruders appeared to gain access to the Jira environment and other sensitive data of the Żabka retail chain. The company confirmed an intrusion occurred in late July.
4 Aug 2026
Medium3 Aug 2026
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
A hacker has drained nearly $89m from Coldcard Bitcoin wallets after exploiting a legacy bug
3 Aug 2026
Critical3 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
The Police National Legal Database (PNLD) has confirmed that police, government and customer contact information was compromised and published on the dark web.
The data included names, organisations and work email…
3 Aug 2026
Medium3 Aug 2026
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
An unknown Chinese-speaking threat actor has been observed running a campaign targeting Apple iOS devices by leveraging a publicly leaked version of the DarkSword exploit kit.
Attack surface management platform Censys…
3 Aug 2026
Critical3 Aug 2026
Cyberattack
Government · 31,000 records
DPA reports: The tiny principality of Liechtenstein has fallen victim to a major cyberattack in which the data of 31,000 people were stolen, the government said on Sunday. The country, which lies between Switzerland…
3 Aug 2026
Medium3 Aug 2026
Bill Curtis
Government · Records not stated
Bill Curtis reports: The full names and contact details for more than 100,000 police officers and staff have been leaked on the dark web after a hack, The Times can reveal. As part of a major security breach, hackers…
3 Aug 2026
Critical3 Aug 2026
The Herald Business
Sector not stated · 4,620,000 records
The Herald Business reports: Seoul Facilities Corp. has drawn criticism over its plan to offer 5,000 won [$3.50 USD] per affected user in response to a personal data breach involving about 4.62 million people, with…
3 Aug 2026
Medium3 Aug 2026
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
Fake Xeno Executor installers are infecting unsuspecting Roblox players with malware that provides remote access and steals sensitive information.
3 Aug 2026
Medium3 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
A cyberattack on the U.K.'s Police National Legal Database (PNLD) has compromised contact data of more than 100,000 police officers and other criminal justice professionals.
3 Aug 2026
Medium2 Aug 2026
Abbey Nutter
Education · Records not stated
Abbey Nutter reports: Sumner County Schools is still working through a reported network breach that forced the district to delay the start of the 2026-27 school year, officials told Main Street Media. The district…
2 Aug 2026
Critical2 Aug 2026
Guru Baran
Sector not stated · Records not stated
Guru Baran reports: Brinks Home, one of North America’s largest residential security providers, has confirmed that hackers breached its IT systems after the notorious ShinyHunters extortion group claimed responsibility…
2 Aug 2026
Critical2 Aug 2026
DHS Information Network
Government · Records not stated
Active intrusion into federal information sharing network
2 Aug 2026
Critical2 Aug 2026
IDMerit
Technology · Records not stated
Data breach exposed over 203 million U.S. records containing personal identity verification details
2 Aug 2026
Medium2 Aug 2026
Centre for Newcomers
Sector not stated · Records not stated
380GB stolen in ransomware attack
2 Aug 2026
Critical2 Aug 2026
Medical billing firm breach
Healthcare · 1,260,000 records
Medical billing firm breach exposed sensitive data of 1.26 million people in 2025
2 Aug 2026
High2 Aug 2026
Partnered Health (Australia)
Healthcare · Records not stated
Personal information and medical details from 21 clinics stolen in cyber-attack
2 Aug 2026
Critical2 Aug 2026
Medical Billing Company
Healthcare · 1,300,000 records
2025 ransomware attack exposed protected health data on 1.3 million people to dark web
2 Aug 2026
High2 Aug 2026
Amgen
Healthcare · Records not stated
Cloud data breach exposed patient health information and proprietary corporate data.
2 Aug 2026
High2 Aug 2026
KT Corp
Technology · Records not stated
16,647 subscribers affected; rogue femtocell breach exposed personal data and stole SMS payment information
2 Aug 2026
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