CMG Drainage Engineering
bd_33e7bbe2bf263494 · schema v1 · pii pii-v1
Full breach record for CMG Drainage Engineering →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Trigona 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
Established in 1986, CMG Drainage Engineering stands as a prominent Civil Engineering consulting firm nestled in Tucson, Arizona, United States. For over three decades, CMG has been dedicated to providing exceptional water resource engineering services to both public and private sectors across Central and Southern Arizona. Strategically headquartered at 3555 North Mountain Avenue in Tucson, CMG oversees and manages a wide array of projects, offering comprehensive solutions tailored to meet the diverse needs of its clientele.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Jan 30, 2024
Claim posted
—
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.
trigona
According to ransomware.live, According to PCrisk, Trigona is ransomware that encrypts files and appends the ._locked extension to filenames. Also, it drops the how_to_decrypt.hta file that opens a ransom note. An example of how Trigona renames files: it renames 1.jpg to 1.jpg._locked, 2.png to 2.png._locked, and so forth.It embeds the encrypted decryption key, the campaign ID, and the victim ID in the encrypted files.