David E Shambach Architect
bd_42859a31c365b227 · schema v1 · pii pii-v1
Full breach record for David E Shambach Architect →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group DragonForce on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
David E. Shambach, Architect, Inc. [DESA] is a well-respected architecture firm in Tucson, Arizona. Established in 1993 and incorporated in 1994, DESA has continued to expand and develop our abilities in architecture, planning, interior design, project management / administration, sustainability, estimating, and construction. This broad depth of talent, knowledge, and experience enables DESA to successfully create, develop, and manage projects from initial client consultation through design and construction, culminating in functional, sustainable, and dignified buildings and spaces.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Aug 2, 2024
Claim posted
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No filing yet · watching
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Claim → filing
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Compliance clock
Not assessable
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.
No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.
Source ceiling
- actor name
- victim claim
- ransom/leak status
- discovery date
- materiality
- notification
- affected count
- confirmed data types
- compliance clock
The ✕ fields stay blank until a regulatory filing or victim disclosure lands.
dragonforce
According to ransomware.live, DragonForce is a major ransomware-as-a-service operation first observed in August 2023 that launched a formal affiliate program offering 80% revenue share, then rebranded as a "ransomware cartel" in 2025, gaining notoriety for high-profile attacks on UK retailers Marks & Spencer, Co-op, and Harrods.