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.

5,439
Disclosures in the tracker, all years
2,154
Of those, indexed in 2026
87
Added in November
27
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 11 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.

79 incidents from 9 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. Australia4 Nov 2026Bristol City Council (Trading with Schools platform)The source does not say how they got in.Yahoo News Australia (citing BBC)
High9 Nov 2021
135K patient records exposed
Healthcare · 135,000 records
135K patient records exposed
9 Nov 2021
High9 Nov 2021
135K patient records exposed
Healthcare · 135,000 records
135K patient records exposed
9 Nov 2021
High9 Nov 2021
135K patient records exposed
Healthcare · 135,000 records
135K patient records exposed
9 Nov 2021
High9 Nov 2021
135K patient records exposed
Healthcare · 135,000 records
135K patient records exposed
9 Nov 2021
High9 Nov 2021
135K patient records exposed
Healthcare · 135,000 records
135K patient records exposed
9 Nov 2021
High9 Nov 2021
135K patient records exposed
Healthcare · 135,000 records
135K patient records exposed
9 Nov 2021
High9 Nov 2021
135K patient records exposed
Healthcare · 135,000 records
135K patient records exposed
9 Nov 2021
High9 Nov 2021
135K patient records exposed
Healthcare · 135,000 records
135K patient records exposed
9 Nov 2021
High9 Nov 2021
135K patient records exposed
Healthcare · 135,000 records
135K patient records exposed
9 Nov 2021
High9 Nov 2021
135K patient records exposed
Healthcare · 135,000 records
135K patient records exposed
9 Nov 2021
High9 Nov 2021
135K patient records exposed
Healthcare · 135,000 records
135K patient records exposed
9 Nov 2021
High9 Nov 2021
135K patient records exposed
Healthcare · 135,000 records
135K patient records exposed
9 Nov 2021
High9 Nov 2021
135K patient records exposed
Healthcare · 135,000 records
135K patient records exposed
9 Nov 2021
High9 Nov 2021
135K patient records exposed
Healthcare · 135,000 records
135K patient records exposed
9 Nov 2021
High9 Nov 2021
135K patient records exposed
Healthcare · 135,000 records
135K patient records exposed
9 Nov 2021
High8 Nov 2021
MediaMarkt (Netherlands/Germany)
Retail · Records not stated
Hive ransomware disrupted 3,100 European electronics stores, $50M demanded
8 Nov 2021
Critical8 Nov 2021
DNA Diagnostics Center
Healthcare · 2,100,000 records
2.1M customer records and paternity test data exposed
8 Nov 2021
High5 Nov 2021
City of Westmount (QC)
Government · Records not stated
Municipal systems locked by ransomware
5 Nov 2021
Critical4 Nov 2021
CyberServe
Healthcare · 1,107,034 records
1,107,034 records exposed, Dates of birth, Drinking habits, Email addresses, Family structure and 15 more
4 Nov 2021
Medium4 Nov 2021
NorthStar HealthCare Group
Healthcare · 25,000 records
25K patient records exposed
4 Nov 2021
Critical3 Nov 2021
Robinhood
Finance · 7,000,000 records
7M customer accounts compromised in social engineering attack
3 Nov 2021
Medium2 Nov 2021
iFood (Brazil)
Technology · Records not stated
Employee tampered with 6M restaurant listings, names changed to political messages
2 Nov 2021
High2 Nov 2021
Tamil Nadu Police (India)
Government · Records not stated
60,000 police records including FIRs and accused details leaked online
2 Nov 2021
High1 Nov 2021
City of Quincy MA
Government · Records not stated
Ransomware disrupted city services
1 Nov 2021
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