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.
5,369
Disclosures in the tracker, all years
2,083
Of those, indexed in 2026
146
Added in October
23
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 30 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
4,047 results · Technology disclosures. Clear filters
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
Critical16 Sep 2026
Free Mobile and Free
Technology · Records not stated
Major data theft; fined €49 million in France
16 Sep 2026
High16 Sep 2026
Dell
Technology · Records not stated
Sensitive user data exposed in data breach
16 Sep 2026
Medium16 Sep 2026
Nikkei
Technology · Records not stated
17,000 impacted by data breach from Slack account hack
16 Sep 2026
Critical16 Sep 2026
Unlimited Technology Systems
Technology · 3,800,000 records
Data breach impacted 3.8 million individuals
16 Sep 2026
High16 Sep 2026
Substack
Technology · Records not stated
Newsletter platform notified users of data breach
16 Sep 2026
High16 Sep 2026
Cisco
Technology · Records not stated
Data breach impacting Cisco.com user accounts
16 Sep 2026
Critical16 Sep 2026
Rockstar Games
Technology · Records not stated
Data breach through Snowflake platform via Anodot access compromise
16 Sep 2026
Critical16 Sep 2026
Ticketmaster
Technology · 560,000,000 records
Data breach through Snowflake platform, part of 165-company attack campaign
16 Sep 2026
Critical16 Sep 2026
French Telco Subsidiaries
Technology · 24,000,000 records
Cybersecurity vulnerabilities contributed to breach of 24 million customer records
16 Sep 2026
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