Ceska filharmonie
bd_2411b0a92f0458f9 · schema v1 · pii pii-v1
Full breach record for Ceska filharmonie →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Thegentlemen 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
***.cz zoominfo.com/c/esk-filharmonie/1100523885 The Czech Philharmonic (Česká filharmonie) is one of the world's most renowned symphony orchestras, based in Prague, Czech Republic. It gave its first independent concert on January 4, 1896, under the baton of Antonín Dvořák, and has been resident at the historic Rudolfinum concert hall for over a century. The orchestra is globally celebrated for its authentic and masterful interpretations of Czech composers such as Dvořák, Smetana, and Janáček. Currently, the ensemble is led by Chief Conductor and Music Director Semyon Bychkov, continuing its legacy of artistic excellence and international touring.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Jul 23, 2026
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.
thegentlemen
According to ransomware.live, The Gentlemen is a RaaS group that emerged in July–August 2025, rapidly claiming over 320 victims across 17+ countries by offering affiliates a 90% revenue share, deploying a Go-based locker against Windows, Linux, NAS, and BSD systems; a compromised C2 server in 2026 revealed more than 1,570 linked victims.