MASTEC, INC.
bd_2db96186099527c3 · schema v1 · pii pii-v1
Full breach record for MASTEC, INC. →2 incidents on fileMasTec, Inc. based in Coral Gables, Florida, a other entity reported a data breach to the Texas Attorney General. The breach was discovered on 2026-04-23 and reported on 2026-06-09. 4,827 Texas residents were affected. 25,220 individuals affected in total. Types of information involved: Name of individual;Address;Social Security Number Information;Financial Information (e.g. account number, credit or debit card number);Date of Birth. Consumers were notified via U.S. Mail.
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Incident timeline
Aug 9, 2025
Begins
Apr 23, 2026
Discovered
Jun 9, 2026
Filed
vs. sector median
1 wks faster
Linked disclosures
Why this link?Ransomware claims (1)
- Leak Sitecl0pbd_077ee15e6166ed792025-10-31 · +220dVerified by operator
Regulatory filings (7) · sorted by filing gap
- Massachusetts State AGbd_fa5d678c3d2160372026-06-09Verified
- Vermont State AGbd_17006039c927389d2026-06-05 · +4dVerified
- Indiana State AGbd_2337a1feed74d7a42026-06-05 · +4dVerified
- Nebraska State AGbd_69df7fd6f827f7472026-06-05 · +4dVerified
Show 3 more filings ↓Show fewer ↑up to 5d gap
- Maine State AGbd_b14ee6c6db7a57262026-06-05 · +4dVerified
- South Carolina State AGbd_d93b0d10e9a7baae2026-06-05 · +4dVerified
- New Hampshire State AGbd_9a55bbe733ae71cb2026-06-04 · +5dCandidate
Filing propagation · 8 filings · 8 states
View merged incident ↗Pattern: first filing Jun 4 (NH), last Jun 9 (TX) — a 5-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.