DisclosureLens
MalwareEducationEducationRansomwareRansom DemandedRansom PaidData ExfiltratedData EncryptedSupply Chain (3P Vendor)PIIIdentity (basic)Health (basic)LowResolved

Archer School for Girls

bd_7b4f0aadc30a5b67 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 16, 2020

Filed

Jan 13, 2021

To disclose

26 weeks

Affected

3state residents only

Linked

4 filings

Confidence

65%
Full breach record for Archer School for Girls

The Archer School for Girls notified Montana residents of a data breach involving its vendor, Blackbaud, Inc. Unauthorized access occurred between Feb 7 and May 20, 2020, resulting in the exfiltration of backup files containing PII and health information. Blackbaud paid a ransom and destroyed the data. Archer conducted its own investigation and notified affected individuals.

Incident timeline

undetected · 160 days
discovery → filing · 26 weeks / 181 days

Feb 7, 2020

Begins

Jul 16, 2020

Discovered

Jan 13, 2021

Filed

vs. sector median

+16 wks slower

This filing is one of 4 about the same incident.View merged incident
Part of BLACKBAUD, INC. supply-chain incident (2020) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
California State AGJan 13 · first
Maine State AGJan 13 · first
Indiana State AGJan 13 · first
Montana State AGJan 13 · first · this page

Evidence ladder

Leak-site claim

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

Press / market report

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

State AG / regulator filingThis record

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

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.