Weekly briefing No. 42 published 30 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.

5,430
Disclosures in the tracker, all years
2,145
Of those, indexed in 2026
72
Added in November
24
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 10 Nov 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.

78 incidents from 10 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. Japan29 Oct 2026Japan AirlinesHow they got in: a supplier or vendor that was compromised first.BleepingComputer
  2. Japan29 Oct 2026Sony Network Communications (So-net / Plala ISP)The source does not say how they got in.SecurityWeek
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 2,500,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
High28 Jun 2023
Croatian Hospital Centre Zagreb
Healthcare · Records not stated
Ransomware disrupted Croatia's largest hospital, patient systems offline
28 Jun 2023
High25 Jun 2023
BreachForums Clone
Technology · 4,204 records
4,204 records exposed, Email addresses, IP addresses, Passwords, Usernames
25 Jun 2023
Critical25 Jun 2023
Suncor Energy
Sector not stated · Records not stated
Cyberattack disrupted Petro-Canada gas stations nationwide
25 Jun 2023
High25 Jun 2023
Suncor Energy / Petro-Canada
Sector not stated · Records not stated
Cyberattack disrupted Petro-Canada gas stations nationwide, payment systems offline for days
25 Jun 2023
Medium25 Jun 2023
Western & Southern Financial
Finance · 66,000 records
66K records exposed in vendor breach
25 Jun 2023
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