Coldwell Banker D’Ann Harper, REALTORS
bd_f01f8d8efcdefd8a · schema v1 · pii pii-v1
Full breach record for Coldwell Banker D’Ann Harper, REALTORS →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Medusa 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
Coldwell Banker D’Ann Harper, REALTORS® stands as the residential real estate brokerage in Central and South Texas, boasting a presence with multiple strategically located offices and a dedicated team of over 550 sales agents. This real estate firm is part of the larger Coldwell Banker network, which spans the globe with over 3,000 offices and nearly 100,000 sales agents. Coldwell Banker D'Ann Harper REALTORS corporate office is located in 18756 Stone Oak Pkwy Ste 102, San Antonio, Texas, 78258, United States and has 117 employees. The total amount of data leakage is 133.30 GB
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Mar 16, 2025
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.
medusa
According to ransomware.live, Medusa is a ransomware-as-a-service operation active since June 2021 that has targeted over 300 victims across critical infrastructure sectors including healthcare, education, legal, and manufacturing using double-extortion, with attacks surging 42% between 2023 and 2024 and a formal CISA advisory issued in early 2025.