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.

5,292
Disclosures in the tracker, all years
2,005
Of those, indexed in 2026
50
Added in October
9
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.

Worldwide · How they got in

Incidents worldwide, by country.

64 incidents from 11 countries in the last 90 days, each from a public source and reviewed before it is shown. Where the source says how the attackers got in, the row says so.

  1. Japan16 Oct 2026Burger King JapanThe source does not say how they got in.Security Affairs
  2. Japan16 Oct 2026BK JapanThe source does not say how they got in.SecurityWeek
  3. Japan16 Oct 2026Al Jazeera Media NetworkHow they got in: a supplier or vendor that was compromised first.BleepingComputer
  4. Japan14 Oct 2026Healthcare and financial organisations globallyHow they got in: email made to look like it came from a trusted sender.The Hacker News
  5. Japan8 Oct 2026Park24The source does not say how they got in.The Hacker News
  6. Japan7 Oct 2026AdvantestThe source does not say how they got in.SecurityWeek
Medium6 Sep 2026
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Hackers Steal Claude Login Sessions With Infostealer Malware to…
6 Sep 2026
Critical3 Sep 2026
Roger Satterfield
Sector not stated · Records not stated
Roger Satterfield reports: An attacker handed an unknown corporate victim a comprehensive, 80-page security audit on Wednesday, not as a service, but as a postscript to the ransomware attack that had just consumed the…
3 Sep 2026
Medium3 Sep 2026
Thomson Reuters
Technology · Records not stated
Thomson Reuters disclosed on Wednesday that an unauthorized party obtained files from C-Track, the court case management platform sold by its West Publishing Corporation unit, in March 2026, affecting courts in 11 U.S.…
3 Sep 2026
Medium3 Sep 2026
Cybersecurity researchers have
Sector not stated · Records not stated
Cybersecurity researchers have disclosed details of a sophisticated Python-based Windows malware framework called BraZetsu that fuels an underground marketplace commercializing access to compromised hosts. "Unlike the…
3 Sep 2026
Critical3 Sep 2026
Organisation not named
Sector not stated · 8,800,000 records
The disclosure as indexed does not name the organisation.
Hacker group published roughly 550GB of data after MAG reportedly refused to pay a ransom demand; the group says it gained access via exposed admin keys. The post Manchester Airports Group Data on 8.8 Million People…
3 Sep 2026
Medium3 Sep 2026
Infostealers can
Sector not stated · Records not stated
Infostealers can expose far more than passwords, including authenticated sessions that may let attackers bypass MFA. Flare explains how defenders can prioritize compromised identities, determine whether stolen access…
3 Sep 2026
Medium3 Sep 2026
North Dakota Supreme Court
Legal · Records not stated
Joe Kurzewski reports: A criminal investigation is underway after data associated with the North Dakota Supreme Court was affected by a breach of a third-party vendor used by the court. According to a news release, the…
3 Sep 2026
Medium3 Sep 2026
Sealed court information and sensitive personal data were
Technology · Records not stated
Sealed court information and sensitive personal data were exposed in a breach of a Thomson Reuters records platform affecting courts in at least 12 U.S. states, the U.S. Virgin Islands and Canada.
3 Sep 2026
High2 Sep 2026
Manchester Airports Group
Government · 8,849,657 records
8,849,657 records exposed, Browser user agent details, Email addresses, Geographic locations, IP addresses and 4 more
2 Sep 2026
Medium2 Sep 2026
Bridget Byrne
Healthcare · Records not stated
Bridget Byrne reports: Luminis Health is experiencing a cybersecurity incident affecting certain systems across its organization, according to a Facebook post Tuesday. “Our priority remains providing safe, high-quality…
2 Sep 2026
Medium2 Sep 2026
DoD
Government · Records not stated
DysruptionHub raised the suspicion flag yesterday,  but couldn’t get a straight answer from DOD as to whether refrigeration outages at 14 commissaries represented a cyberattack. The Military Times fared no…
2 Sep 2026
Critical2 Sep 2026
Organisation not named
Healthcare · 9,500,000 records
The disclosure as indexed does not name the organisation.
The healthcare data company Aesto informed federal regulators this week that more than 9.5 million people had sensitive information leaked during a cyberattack last December.
2 Sep 2026
High2 Sep 2026
The US healthcare provider
Healthcare · Records not stated
The US healthcare provider confirmed that sensitive patient and employee data, alongside financial and business information, were exfiltrated by a third party
2 Sep 2026
High2 Sep 2026
Manchester Airports Group
Government · 8,728,451 records
8,728,451 records exposed, Browser user agent details, Email addresses, Geographic locations, IP addresses and 4 more
2 Sep 2026
High1 Sep 2026
U.S. Military
Government · Records not stated
Unauthorized access exposed personal information of military personnel
1 Sep 2026
Critical1 Sep 2026
Times Car
Sector not stated · 6,600,000 records
Japanese car-sharing service confirmed cyberattack compromising approximately 6.6 million user accounts
1 Sep 2026
Critical1 Sep 2026
IDScan
Technology · Records not stated
ID verification service confirmed data breach with over 150 million driver's licenses stolen
1 Sep 2026
High1 Sep 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Confirmed cyber incident after Qilin ransomware group claimed attack on US federal agency
1 Sep 2026
High1 Sep 2026
Driver records
Government · Records not stated
Driver records breached in September; notification letters mailing with $1M identity theft insurance offered
1 Sep 2026
Critical1 Sep 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
ShinyHunters hacked jobs portal and stole sensitive agent information
1 Sep 2026
Critical1 Sep 2026
CenterPoint Energy
Sector not stated · 7,500,000 records
7.5 million customer records stolen by hacker
1 Sep 2026
Critical1 Sep 2026
IDScan
Technology · Records not stated
More than 150 million driver's licenses stolen
1 Sep 2026
Critical1 Sep 2026
Times Car
Technology · 6,600,000 records
6.6 million user accounts compromised in cyberattack
1 Sep 2026
High1 Sep 2026
Revolut
Finance · Records not stated
Hundreds of customer data stolen in impersonation scam with $3M ransom demand
1 Sep 2026
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