HackingHealthcareHealthcareStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedHealth (basic)Identity (basic)Government IDPHIPIICriticalContained

Community Health Plan of Washington

bd_0a35fce30888272b · schema v1 · pii pii-v1

Severity

Critical

Discovered

Nov 7, 2016

Filed

Dec 21, 2016

To disclose

6 weeks

Affected

353,388state residents only

Linked

6 filings

Confidence

69%

Full breach record for Community Health Plan of Washington →

Community Health Plan of Washington (CHPW) notified the Washington AG that unauthorized access occurred on Jan 16, 2016, affecting 353,388 residents. CHPW learned of the incident on Nov 7, 2016, involving records stored by third-party provider Transactions Application Group, Inc. (NTT Data). Data accessed included names, addresses, DOBs, SSNs, and health claims. CHPW engaged forensics, notified the FBI, and offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 296 days

discovery → filing · 6 weeks / 44 days

Jan 16, 2016

Begins

Nov 7, 2016

Discovered

Dec 21, 2016

Filed

vs. sector median

6 wks faster

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

HHS OCRbd_b14071585111bf302016-12-21Verified
Massachusetts State AGbd_d2a27a544a1af8442016-12-25 · +4dVerified
Montana State AGbd_8eedda41b0dc71892016-12-29 · +8dVerified
New Hampshire State AGbd_73ea96eb0f43c5892017-01-03 · +13dVerified

Show 1 more filing ↓up to 13d gap

HHS OCRbd_e74e7ea642691fa12017-01-03 · +13dVerified

Name: Lewis Brisbois Bisgaard & Smith, PLLC
norm: lewis brisbois bisgaard smith

Name: Community Health Plan of Washington
norm: community health plan of washington
Industry: Healthcarellm

Discovered: Nov 7, 2016
Breach occurred: Jan 16, 2016
Undetected for: 296 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 21, 2016
Affected individuals: 353,388state-resident count only
Data types: Identity (basic)Government IDHealth (basic)PII
Data elements: Health insurance IDSocial Security numberNameDate of birth
WA-stated cause: Unauthorized Access
WA-stated duration: lifecycle Unknowndexposure Unknownd
WA-stated discovery: Found after the fact
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Notified the Washington State Health Care AuthorityNotified the Washington State Office of the Insurance CommissionerReported the matter to the Federal Bureau of Investigation (FBI)
Third party: via Transactions Application Group, Inc.
Initial access: supply_chain

During the incident: Disabled access to the server which stored these records
Launched an investigation
Engaged a digital forensics firm
Notified the Washington State Health Care Authority
Notified the Washington State Office of the Insurance Commissioner
Reported the matter to the Federal Bureau of Investigation (FBI)
Notified all affected patients with the attached letter
Provided notice via press release and website
Offered 12 months of credit monitoring and identity protection services through Kroll
Changes made: Working with technology services provider to increase the security of all CHPW member information to prevent similar incidents in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(44 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 4 states

View merged incident ↗

HHS OCRDec 21 · first

Washington State AGDec 21 · first · this page

Massachusetts State AG+4d

Montana State AG+8d

New Hampshire State AG+13d

HHS OCR+13d

Pattern: first filing Dec 21 (WA), last Jan 3 (WA) — a 13-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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM9660.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 21, 2016
Raw hash: 97f0570e87e41733ee8354c7c2bdd9c6f3b305a136cf42f58a78c6f83d80ba99

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityLewis Brisbois Bisgaard & Smith, PLLC

Victim entityCommunity Health Plan of Washington

Incidentdiscovered Nov 7, 2016

Stated responseDisabled access to the server which stored these records

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com