Software Systems
bd_9edd01b53439b155 · schema v1 · pii pii-v1
Full breach record for Software Systems →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
Software Systems is an American company providing data processing solutions for the education market and software systems for the Indiana education market. The company's main office is located at 432 S Emerson Ave Ste 200, Greenwood, Indiana, 46143, United States
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Oct 31, 2023
Claim posted
—
Corroborated · see linked filings
This record's own dates cannot anchor compliance clocks; see the linked filings.
Claim → filing
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Compliance clock
Not assessable
Linked disclosures
Why this link?Regulatory filings (4) · sorted by filing gap
- Massachusetts State AGbd_328c83260315b4f52024-02-07 · +98dVerified
- Maine State AGbd_7736f5565f9b40d62024-02-07 · +98dVerified by operator
- Montana State AGbd_914ddd7a48bae61f2024-02-07 · +98dVerified
- Indiana State AGbd_ecfbf2169f5eb9c92024-02-07 · +98dVerified by operator
Filing propagation · 4 filings · 4 states
View merged incident ↗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.