Disclosure tracker › Disclosures in 2024
Intelligence · Disclosure tracker
Disclosures in 2024
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.
5,496
Disclosures in the tracker, all years
1,989
Of those, indexed in 2026
34
Added in October
12
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 12 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
2,541 results · Disclosures in 2024. Clear filters
Critical16 May 2024
MediSecure (Australia)
Healthcare · Records not stated
E-prescriptions provider breach, 12.9M Australian patient prescription records stolen
16 May 2024
High15 May 2024
ServiceNow
Technology · Records not stated
Misconfigured knowledge bases exposed sensitive data at thousands of orgs
15 May 2024
Medium14 May 2024
14 May 2024
Critical14 May 2024
Santander Bank (Snowflake)
Technology · 30,000,000 records
30M customer records exposed via Snowflake-connected environment
14 May 2024
Medium11 May 2024
11 May 2024
Critical10 May 2024
The Post Millennial
Technology · 56,973,345 records
56,973,345 records exposed, Email addresses, Genders, IP addresses, Names and 4 more
10 May 2024
Critical10 May 2024
TD Bank (Canada/US)
Finance · 12,500,000 records
12.5M customer records compromised in data breach
10 May 2024
Medium9 May 2024
Tappware
Government · 94,734 records
94,734 records exposed, Dates of birth, Email addresses, Genders, Government issued IDs and 5 more
9 May 2024
High9 May 2024
Christie's Auction House
Sector not stated · 500,000 records
RansomHub stole 500K client records from art marketplace
9 May 2024
High9 May 2024
Christie's
Technology · 500,000 records
RansomHub stole 500K client records from auction house
9 May 2024
Critical9 May 2024
Dell Technologies
Technology · 49,000,000 records
49M customer order records exposed in API scraping
9 May 2024
High9 May 2024
9 May 2024
Critical8 May 2024
Ascension Health Systems
Sector not stated · Records not stated
$1.8B impact from Black Basta ransomware on hospital chain
8 May 2024
Critical8 May 2024
Ascension (tech)
Technology · Records not stated
Black Basta ransomware disrupted clinical operations at 140 hospitals
8 May 2024
Critical8 May 2024
Ascension Health
Healthcare · 5,600,000 records
5.6M patient records compromised in Black Basta ransomware across 140 hospitals
8 May 2024
Medium7 May 2024
7 May 2024
High5 May 2024
5 May 2024
High5 May 2024
City of Wichita KS
Government · Records not stated
LockBit ransomware attack disabled city services
5 May 2024
Medium2 May 2024
2 May 2024
Critical1 May 2024
Dell
Technology · 49,000,000 records
Brute-force attack on partner portal exposed 49 million customer records
1 May 2024
High1 May 2024
European Parliament
Government · Records not stated
Massive data breach in recruiting platform affecting staff data in May 2024
1 May 2024
Critical1 May 2024
Snowflake customers (165+ organizations)
Technology · 165,000,000 records
Identity-based attacks on Snowflake customers including Rockstar Games, AT&T, Advanced Auto Parts, LendingTree; billions of records stolen
1 May 2024
High1 May 2024
Ohio Lottery
Government · 500,000 records
Cybersecurity incident revealing sensitive information of over 500,000 people
1 May 2024
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