MalwareEducationEducationRansomwareCapture Stored DataData EncryptedData ExfiltratedCustomer Data InvolvedIdentity (basic)PIILowContained

American Council for International Studies

bd_b51c1c9a31d33805 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jun 10, 2021

Filed

Dec 3, 2021

To disclose

25 weeks

Affected

Not disclosed

Linked

8 filings

Confidence

64%

Full breach record for American Council for International Studies →2 incidents on file

American Council for International Studies (ACIS) experienced a ransomware attack between May 25 and June 10, 2021. The malware encrypted systems, and an unknown actor downloaded information including names and other data elements. ACIS secured systems, restored access, and offered credit monitoring. The incident affected adults and minors.

J jump to incidentP pin to compareR raw source

California clockDiscovered Jun 10, 2021 → Notified Dec 3, 2021176d ✗ CA 60-day late25 weeks discovery → filing

Incident timeline

undetected · 16 days

discovery → filing · 25 weeks / 176 days

May 25, 2021

Begins

Jun 10, 2021

Discovered

Dec 3, 2021

Filed

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

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Montana State AGbd_0cfa5fef00b11ee02021-12-03Candidate
Oregon State AGbd_2b22345a0d7b36b32021-12-03Verified
Maine State AGbd_417f20105b7024322021-12-03Verified
Indiana State AGbd_6ceece1529a33a202021-12-03Verified

Show 3 more filings ↓up to 6d gap

Washington State AGbd_ce6f170a133fdcaf2021-12-03Verified
Massachusetts State AGbd_e554b021581b89902021-12-03Verified
New Hampshire State AGbd_38613616484c85812021-12-09 · +6dVerified

Name: American Council for International Studies
norm: american council for international studies

Name: American Council for International Studies
norm: american council for international studies
Industry: Educationllm

Discovered: Jun 10, 2021
Breach occurred: May 25, 2021 – Jun 10, 2021
Undetected for: 16 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 3, 2021
Affected individuals: Not disclosed
Data types: Identity (basic)PII
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Reported this event to federal law enforcementNotified appropriate state regulators

During the incident: Secured the systems
Restored access to the information
Investigated what happened and whether the event resulted in any unauthorized access to, or theft of, information
Performed a comprehensive review of information stored on the systems
Conducted a manual review of our records to determine the identities and contact information for potentially affected individuals
Offering complimentary credit monitoring and identity restoration services through Experian
Reported this event to federal law enforcement
Notified appropriate state regulators
Changes made: Reviewing our security policies and procedures to reduce the risk of similar future events
Implemented new security policies and procedures to reduce the risk of similar future events
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 25 weeks(176 days from discovery to filing)
Compliance flags: CA 60-day late · 176d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Jun 10, 2021
→ Notified: Dec 3, 2021
176d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Jun 10, 2021 → Notified: Dec 3, 2021	176d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

Montana State AGDec 3 · first

Oregon State AGDec 3 · first

Maine State AGDec 3 · first

Indiana State AGDec 3 · first

Washington State AGDec 3 · first

Massachusetts State AGDec 3 · first

California State AGDec 3 · first · this page

New Hampshire State AG+6d

Pattern: first filing Dec 3 (MT), last Dec 9 (NH) — a 6-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.

Source URL: https://oag.ca.gov/ecrime/databreach/reports/sb24-548177
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 3, 2021
Raw hash: fc2917e414b3edf1b8901982697eef45c776d7256a5910097599b3d7f7151bea

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityAmerican Council for International Studies

Victim entityAmerican Council for International Studies

Incidentdiscovered Jun 10, 2021

Stated responseSecured the systems

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov