Oscars Group
bd_e1ae160cef95d3ca · schema v1 · pii pii-v1
Full breach record for Oscars Group →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
Oscars Group is a prominent hospitality collective in New South Wales, founded in 1986 by the Gravanis brothers. The group manages an extensive portfolio of over 35 venues, including pubs, hotels, accommodation, and events centers, catering to a diverse clientele. Their offerings span various segments such as gaming, retail liquor, and residential developments. With a focus on creativity and entertainment, Oscars Group aims to deliver exceptional experiences to guests across its venues. company is headquartered in Level 6, Bayside Tower, 376 Bay Street, Brighton-Le-Sands NSW 2216, Australia. <25 Employees
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Nov 5, 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.