Disclosure tracker › Technology disclosures
Intelligence · Disclosure tracker
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.
5,291
Disclosures in the tracker, all years
2,004
Of those, indexed in 2026
49
Added in October
9
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 17 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,883 results · Technology disclosures. Clear filters
High22 Sep 2026
Paylogix
Technology · Records not stated
Employee benefits platform; hackers stole financial data via Akira ransomware
22 Sep 2026
High22 Sep 2026
Line Yahoo
Technology · Records not stated
Data leak confirmed after ending Naver ties in Japan
22 Sep 2026
Critical22 Sep 2026
AT&T
Technology · 109,000,000 records
Data breach exposed over 100 million customers across two separate incidents in 2024
22 Sep 2026
Critical22 Sep 2026
T-Mobile
Technology · 76,600,000 records
2021 cyberattack exposed data of 76.6 million people including SSNs and driver's license info
22 Sep 2026
Critical21 Sep 2026
Free Mobile
Technology · Records not stated
Major data theft, fined €49 million by French CNIL
21 Sep 2026
High21 Sep 2026
Dell
Technology · Records not stated
Data breach with sensitive user data exposed
21 Sep 2026
Critical21 Sep 2026
Ticketmaster via Snowflake
Technology · 560,000,000 records
Massive 2024 cyberattack campaign affecting at least 100 million people across 165 companies including Ticketmaster
21 Sep 2026
High21 Sep 2026
Cell C
Technology · Records not stated
South African telecom provider confirmed data breach following 2024 cyberattack
21 Sep 2026
Critical21 Sep 2026
AT&T
Technology · 109,000,000 records
Two separate incidents exposed data from over 100 million customers in 2024
21 Sep 2026
High21 Sep 2026
Paylogix
Technology · Records not stated
Employee benefits platform: hackers stole financial and health data from tens of thousands via Akira ransomware
21 Sep 2026
High18 Sep 2026
DraftKings
Technology · Records not stated
Hacking incident exposing user account data
18 Sep 2026
High18 Sep 2026
KT
Technology · Records not stated
Data breach via illegal base stations exposing customer information
18 Sep 2026
Critical18 Sep 2026
Free Mobile and Free
Technology · Records not stated
Major data theft in France, $49M fine issued
18 Sep 2026
High18 Sep 2026
Workday
Technology · Records not stated
Social engineering attack targeting CRM exposed customer data
18 Sep 2026
Critical18 Sep 2026
Free Mobile
Technology · 24,000,000 records
2024 data breach affecting 24 million customers; fined €42 million by French regulator for security violations
18 Sep 2026
Critical18 Sep 2026
AT&T
Technology · 109,000,000 records
Two separate 2024 incidents exposed data from over 100 million customers
18 Sep 2026
Critical18 Sep 2026
T-Mobile
Technology · 76,600,000 records
2021 cyberattack exposed data of 76.6 million people including SSNs and driver's licenses
18 Sep 2026
Critical17 Sep 2026
T-Mobile
Technology · 64,000,000 records
Over 64 million records leaked online
17 Sep 2026
High17 Sep 2026
Dell
Technology · Records not stated
Confirmed data breach exposing sensitive user data
17 Sep 2026
Critical17 Sep 2026
Unlimited Technology Systems
Technology · 3,800,000 records
3.8 million records exposed in data breach
17 Sep 2026
High17 Sep 2026
Logitech
Technology · Records not stated
Data breach confirmed following Oracle hack victim designation
17 Sep 2026
High17 Sep 2026
AT&T
Technology · 109,000,000 records
Data breach with $177 million settlement; customers eligible for up to $7,500 compensation
17 Sep 2026
High17 Sep 2026
Cell C
Technology · Records not stated
South African telecom provider suffered data breach following 2024 cyberattack, exposing customer data
17 Sep 2026
Critical17 Sep 2026
Free Mobile
Technology · 24,000,000 records
24 million customer breach in 2024; fined €42 million for lack of basic security controls
17 Sep 2026
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