Social EngineeringOtherPhishingStolen CredentialsCustomer Data InvolvedTargetedPIIIdentity (basic)LowContained

AMERICAN CANCER SOCIETY, INC.

bd_bc6d9c3c444b8015 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 31, 2019

Filed

Mar 1, 2019

To disclose

29 days

Affected

23state residents only

Linked

4 filings

Confidence

66%

Full breach record for AMERICAN CANCER SOCIETY, INC. →4 incidents on file

American Cancer Society Inc notified Montana residents of a phishing attack on employee email accounts occurring Jan 8-31, 2019. Suspicious activity discovered Jan 31, 2019. Forensic experts retained. Credentials reset. Personal info accessible in emails. Credit monitoring offered.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 23 days

discovery → filing · 29 days

Jan 8, 2019

Begins

Jan 31, 2019

Discovered

Mar 1, 2019

Filed

vs. sector median

2 wks faster

This filing is one of 4 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_4c4a1583cda39eeb2019-03-01Verified
New Hampshire State AGbd_55dbe78dd5d4c94e2019-03-01Verified
California State AGbd_db5fd568ffe144592019-03-01Verified

Name: AMERICAN CANCER SOCIETY, INC.
norm: american cancer society

Name: AMERICAN CANCER SOCIETY, INC.
norm: american cancer society
Industry: Otherllm

Discovered: Jan 31, 2019
Breach occurred: Jan 8, 2019 – Jan 31, 2019
Undetected for: 23 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 23state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: reporting this incident to applicable state and federal regulators
Initial access: phishing_link

During the incident: Implemented an enterprise wide change of credentials
Retained industry leading forensic experts
Changes made: Offering one year of credit monitoring and identity theft restoration services through Kroll Cyber Security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 days(29 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGMar 1 · first

New Hampshire State AGMar 1 · first

California State AGMar 1 · first

Montana State AGMar 1 · 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.

Source URL: https://dojmt.gov/wp-content/uploads/OCP/CON-Montana-Notice-of-Data-Event.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 1, 2019
Raw hash: 44904ef2db918faf167a0269c5552d3cbe2a9db9713a612fab801db8706c0fdf

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityAMERICAN CANCER SOCIETY, INC.

Victim entityAMERICAN CANCER SOCIETY, INC.

Incidentdiscovered Jan 31, 2019

Stated responseImplemented an enterprise wide change of credentials

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov