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Technology disclosures
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.
5,376
Disclosures in the tracker, all years
2,090
Of those, indexed in 2026
8
Added in November
22
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 3 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
4,087 results · Technology disclosures. Clear filters
Critical20 May 2024
Snowflake (multi-tenant)
Technology · 500,000,000 records
165+ customer tenants breached via stolen credentials affecting 500M+ records
20 May 2024
High15 May 2024
ServiceNow
Technology · Records not stated
Misconfigured knowledge bases exposed sensitive data at thousands of orgs
15 May 2024
Critical14 May 2024
Santander Bank (Snowflake)
Technology · 30,000,000 records
30M customer records exposed via Snowflake-connected environment
14 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
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
Critical8 May 2024
Ascension (tech)
Technology · Records not stated
Black Basta ransomware disrupted clinical operations at 140 hospitals
8 May 2024
Medium7 May 2024
7 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
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
Critical1 May 2024
Identity-based attacks
Technology · Records not stated
Identity-based attacks exposed customer data across 165 organizations; extortion campaign netted $2.7M
1 May 2024
Critical1 May 2024
Rockstar Games
Technology · Records not stated
Data breached through Anodot's Snowflake access as part of 165-organization attack
1 May 2024
Critical1 May 2024
Organisation not named
Technology · 109,000,000 records
The disclosure as indexed does not name the organisation.
165+ customer organizations breached via identity-based attacks; $2.7M extorted; AT&T disclosed in July 2024
1 May 2024
Critical1 May 2024
Snowflake Customers (165 organizations)
Technology · 165,000,000 records
UNC5537 targeted 165 Snowflake customers including Advanced Auto Parts and LendingTree; extortionists obtained $2.7M
1 May 2024
Critical1 May 2024
Snowflake customers
Technology · 165,000,000 records
165 Snowflake customers' data breached via identity-based attacks; UNC5537 extortion campaign
1 May 2024
High30 Apr 2024
MovieBoxPro
Technology · 6,009,014 records
6,009,014 records exposed, Email addresses, Usernames
30 Apr 2024
Critical24 Apr 2024
Dropbox Sign
Technology · 33,000,000 records
33M user records exposed in authentication breach
24 Apr 2024
High18 Apr 2024
Le Slip Français
Technology · 1,495,127 records
1,495,127 records exposed, Email addresses, Names, Phone numbers, Physical addresses
18 Apr 2024
Critical14 Apr 2024
Frontier Communications
Technology · 2,000,000 records
2M customer records exposed in BlackCat ransomware
14 Apr 2024
Critical14 Apr 2024
AT&T (call records)
Technology · 110,000,000 records
110M customer call and text metadata stolen from Snowflake environment
14 Apr 2024
High8 Apr 2024
boAt
Technology · 7,528,985 records
7,528,985 records exposed, Email addresses, Names, Phone numbers, Physical addresses
8 Apr 2024
Critical8 Apr 2024
National Public Data
Technology · 2,900,000,000 records
2.9B records including SSNs exposed in massive data aggregator breach
8 Apr 2024
High5 Apr 2024
Boat (India Electronics)
Technology · 7,500,000 records
7.5M customer records stolen from India's top wearables brand
5 Apr 2024
Critical1 Apr 2024
Rockstar Games
Technology · Records not stated
Breached through Anodot's Snowflake access; part of ShinyHunters attack affecting 165 organizations
1 Apr 2024
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