Olympus Group
bd_60f17980d458827d · schema v1 · pii pii-v1
Full breach record for Olympus Group →2 incidents on fileThreat-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
Olympus Group (founded 1893) - provides services in the field custom printing and sewing industry, specializing in large format digital and dye-sublimation printing. Olympus Group corporate office is located in 9000 W Heather Ave, Milwaukee, Wisconsin, 53224, United States and has 254 employees. The total amount of data leakage is 436.9 GB
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Jul 7, 2024
Claim posted
—
Corroborated · see linked filings
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
Linked disclosures
Why this link?Ransomware claims (1)
- Leak Sitedispossessorbd_72378354acf3a02d2024-07-03 · +4dCandidate
Regulatory filings (1) · sorted by filing gap
- Massachusetts State AGbd_2564604bbae156902024-10-21 · +106dVerified by operator
Filing propagation · 2 filings
View merged incident ↗Pattern: first filing Jul 7, last Oct 21 (MA) — a 106-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
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.
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.