DisclosureLens
GLOBALMalwareEducationEducationRansomwareRhysidaRansom DemandedActor NamedMedium

Prince George's County Public Schools

bd_a20f01bece62e63c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Aug 25, 2023

To disclose

Affected

Not disclosed

Linked

8 filings

Confidence

50%
Full breach record for Prince George's County Public Schools

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Rhysida 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.

Group activity: EducationDiscovered: 2023-08-25

Source: Ransomware.live

Post text · scraped from the leak site

Prince George's County Public Schools Prince George's County Public Schools (PGCPS), one of the nation's 20th largest school districts, has 201 schools and centers, more than 133,000 students and nearly 20,000 employees.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Aug 25, 2023

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

Compliance clock

Not assessable

This filing is one of 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Show 2 more filingsup to 185d gap

Filing propagation · 7 filings · 5 states

View merged incident ↗
PressAug 14 · first
Leak Site+11d · this page

Pattern: first filing Aug 14, last Feb 26 (NH) — a 196-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

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.

About this groupFirst seen 2023-06-05

rhysida

According to ransomware.live, Rhysida is a ransomware-as-a-service (RAAS) group that emerged in May 2023. The group utilizes a namesake ransomware through phishing attacks and Cobalt Strike to breach the targets' networks and deploy their payloads. The group threatens to publicly distribute exfiltrated data if the ransom is not paid, and it's worth mentioning that Rhysida is still in the early stages of development. The ransomware leaves PDF notes in the affected folders, instructing victims to contact the group through its portal, and payment is made via Bitcoin. After encryption, the ransomware appends the extension '.ryshida' to encrypted files. Source: https://github.com/crocodyli/ThreatActors-TTPs

331 tracked hereFull profile →