Donlen Corporation
ent_0bccf2769b5ffed08fe8631a
Donlen LLC is an American fleet leasing and management company that provides consultation, maintenance, and outsourcing services for corporate vehicle fleets, including cars, vans, and trucks.
AI-summarized from indexed web sources · Bannockburn, Illinois · 2026-08-04 · source
Disclosures
5
Leak Site · State AG · 4 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
45
as filed · State AG MA
Leak-site claims
1
unverified actor claims
Identity resolution
- Canonical name
- Donlen Corporation
- Normalized
- donlen— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- donlen.com
Disclosure history (5)newest first
- GLOBALLeak Siteas victim2025-02-10
Donlen is a fleet management company that offers innovative solutions to streamline fleet operations. They provide services such as strategic consulting, leasing, and maintenance programs, fleet management software, and comprehensive telematics solutions. By integrating these tools and processes, Donlen helps companies reduce costs, increase efficiency, and improve their overall fleet management performance.
- Montana State AGas victim2022-10-28
Donlen Corporation notified Montana residents of a data breach occurring between Feb 24 and Mar 4, 2021. An unknown actor accessed the network. Donlen provided notice on behalf of client Allstate Insurance Company. Affected data included names and other personal info. Donlen offered credit monitoring via IDX.
- New Hampshire State AGas victim2022-10-07
PepsiCo notified NH AG of a breach at third-party vendor Donlen (now Sellerco). Unknown actor accessed Donlen's network Feb-Mar 2021. Donlen confirmed in Sept 2022 that PepsiCo employee names and driver's license numbers may have been accessed. 4 NH residents affected. Notifications sent Oct 7, 2022, including 24 months credit monitoring.
- New Hampshire State AGas victim2022-09-08
Donlen Corporation (aka Sellerco Corporation) notified the NH AG of unauthorized network access between Feb 24 and Mar 4, 2021. Discovered Mar 4, 2021. 19 NH residents affected. Data included names, SSNs, and financial account info. Response included law enforcement notification and 12 months credit monitoring.
- Massachusetts State AGas victim2022-08-29
Donlen Corporation, now known as Sellerco Corporation reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2022-08-29. 45 Massachusetts residents were affected. The report records the breach type as electronic.