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.

5,314
Disclosures in the tracker, all years
2,028
Of those, indexed in 2026
76
Added in October
21
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 21 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.

73 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. United Kingdom16 Oct 2026Southville Primary School (Bristol City Council area)The source does not say how they got in.Hits Radio (West of England)
  2. United Kingdom13 Oct 2026TFG LondonThe source does not say how they got in.BleepingComputer
Critical1 Jan 2020
SamSam ransomware recovery costs exceeded $17M
Government · Records not stated
SamSam ransomware recovery costs exceeded $17M
1 Jan 2020
Critical1 Jan 2020
$18.2M recovery costs from 2019 RobbinHood ransomware
Government · Records not stated
$18.2M recovery costs from 2019 RobbinHood ransomware
1 Jan 2020
Critical1 Jan 2020
SamSam ransomware recovery costs exceeded $17M
Government · Records not stated
SamSam ransomware recovery costs exceeded $17M
1 Jan 2020
Critical1 Jan 2020
$18.2M recovery costs from 2019 RobbinHood ransomware
Government · Records not stated
$18.2M recovery costs from 2019 RobbinHood ransomware
1 Jan 2020
Critical1 Jan 2020
SamSam ransomware recovery costs exceeded $17M
Government · Records not stated
SamSam ransomware recovery costs exceeded $17M
1 Jan 2020
Critical1 Jan 2020
$18.2M recovery costs from 2019 RobbinHood ransomware
Government · Records not stated
$18.2M recovery costs from 2019 RobbinHood ransomware
1 Jan 2020
Critical1 Jan 2020
SamSam ransomware recovery costs exceeded $17M
Government · Records not stated
SamSam ransomware recovery costs exceeded $17M
1 Jan 2020
Critical1 Jan 2020
$18.2M recovery costs from 2019 RobbinHood ransomware
Government · Records not stated
$18.2M recovery costs from 2019 RobbinHood ransomware
1 Jan 2020
Critical1 Jan 2020
SamSam ransomware recovery costs exceeded $17M
Government · Records not stated
SamSam ransomware recovery costs exceeded $17M
1 Jan 2020
Critical1 Jan 2020
$18.2M recovery costs from 2019 RobbinHood ransomware
Government · Records not stated
$18.2M recovery costs from 2019 RobbinHood ransomware
1 Jan 2020
Critical1 Jan 2020
SamSam ransomware recovery costs exceeded $17M
Government · Records not stated
SamSam ransomware recovery costs exceeded $17M
1 Jan 2020
Critical1 Jan 2020
$18.2M recovery costs from 2019 RobbinHood ransomware
Government · Records not stated
$18.2M recovery costs from 2019 RobbinHood ransomware
1 Jan 2020
High1 Jan 2020
City of New Orleans
Government · Records not stated
Ryuk ransomware led to emergency declaration
1 Jan 2020
High1 Jan 2020
DLA Piper (ongoing recovery)
Legal · Records not stated
NotPetya ransomware ongoing costs in 2020
1 Jan 2020
High1 Jan 2020
University of Maryland Baltimore
Education · Records not stated
147K student records exposed in third-party vendor breach
1 Jan 2020
Critical1 Jan 2020
SamSam ransomware recovery costs exceeded $17M
Government · Records not stated
SamSam ransomware recovery costs exceeded $17M
1 Jan 2020
Critical1 Jan 2020
$18.2M recovery costs from 2019 RobbinHood ransomware
Government · Records not stated
$18.2M recovery costs from 2019 RobbinHood ransomware
1 Jan 2020
Critical1 Jan 2020
Premera Blue Cross
Healthcare · Records not stated
11M member records including SSNs and medical claims
1 Jan 2020
High24 Dec 2019
Factual
Finance · 2,461,696 records
2,461,696 records exposed, Email addresses, Employers, Phone numbers, Physical addresses
24 Dec 2019
High23 Dec 2019
Maastricht University (Netherlands)
Education · Records not stated
Clop ransomware encrypted all systems, university paid 30 BTC ransom
23 Dec 2019
Critical19 Dec 2019
Zynga
Retail · 172,869,660 records
172,869,660 records exposed, Email addresses, Passwords, Phone numbers, Usernames
19 Dec 2019
Medium12 Dec 2019
GrabCar / Grab Holdings
Technology · 21,541 records
Driver and passenger data exposed through API vulnerability, 21,541 records
12 Dec 2019
High4 Dec 2019
AgusiQ-Torrents.pl
Retail · 90,478 records
90,478 records exposed, Email addresses, IP addresses, Passwords, Usernames
4 Dec 2019
Medium2 Dec 2019
Scarborough Health Network
Healthcare · 4,800 records
Employee accessed records of 4,800 patients without authorization
2 Dec 2019
Were you affected?