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.

5,412
Disclosures in the tracker, all years
2,126
Of those, indexed in 2026
54
Added in November
54
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 7 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 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. 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
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Cyberattack disrupted hospital operations, patient records at risk
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient records at risk
23 Oct 2023
High23 Oct 2023
Azienda Ospedaliera di Verona
Healthcare · Records not stated
Rhysida ransomware hit hospital, patient records and medical images stolen
23 Oct 2023
Critical23 Oct 2023
Five Ontario Hospitals (TransForm)
Healthcare · 267,000 records
TransForm cyberattack hit 5 hospitals in Windsor-Essex, 267,000 patients notified
23 Oct 2023
High23 Oct 2023
Mackenzie Health (York Region)
Healthcare · Records not stated
Cyberattack disrupted hospital operations, patient care diverted to other facilities
23 Oct 2023
Critical21 Oct 2023
Tunngle
Retail · 8,192,928 records
8,192,928 records exposed, Email addresses, IP addresses, Passwords, Usernames
21 Oct 2023
High20 Oct 2023
Sphero
Education · 832,255 records
832,255 records exposed, Dates of birth, Email addresses, Geographic locations, Names and 1 more
20 Oct 2023
Critical19 Oct 2023
Okta (UK/Global Impact)
Technology · Records not stated
Customer support system breach exposed session tokens, Cloudflare, 1Password impacted
19 Oct 2023
Critical19 Oct 2023
Okta
Technology · Records not stated
Support system breach exposed customer session tokens
19 Oct 2023
Critical18 Oct 2023
Corewell Health
Healthcare · 1,000,000 records
1M patient records exposed via Welltok vendor breach
18 Oct 2023
Were you affected?