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.
5,366
Disclosures in the tracker, all years
2,080
Of those, indexed in 2026
139
Added in October
18
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 29 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High9 Nov 2021
9 Nov 2021
High9 Nov 2021
9 Nov 2021
High9 Nov 2021
9 Nov 2021
High9 Nov 2021
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
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
1 Nov 2021
Critical30 Oct 2021
Newfoundland Health (Eastern Health)
Healthcare · Records not stated
Cyberattack disrupted healthcare across entire province for weeks
30 Oct 2021
Critical30 Oct 2021
Government of Newfoundland Health
Healthcare · Records not stated
Cyberattack disrupted healthcare across entire province, years of patient data stolen
30 Oct 2021
Critical29 Oct 2021
CyberServe (Iran)
Technology · 1,000,000 records
1M user records exposed in hacktivist attack
29 Oct 2021
High26 Oct 2021
Schreiber Foods
Sector not stated · Records not stated
Ransomware shut down dairy plants across US
26 Oct 2021
Critical23 Oct 2021
Iran Atomic Energy Organization
Government · Records not stated
Hacktivist group leaked 50GB of nuclear facility documents and emails
23 Oct 2021
High22 Oct 2021
22 Oct 2021
High22 Oct 2021
22 Oct 2021
High20 Oct 2021
20 Oct 2021
High18 Oct 2021
SIAE (Italian Copyright Agency)
Sector not stated · Records not stated
Everest ransomware stole 60GB, musicians' personal and financial data published
18 Oct 2021
High18 Oct 2021
Texas ENT Specialists
Healthcare · 535,000 records
535K patient records exposed in ransomware
18 Oct 2021
High17 Oct 2021
Atento SA (Brazil)
Technology · Records not stated
LockBit ransomware disrupted call center operations, $42.1M estimated loss
17 Oct 2021
Were you affected?