Social EngineeringTelecom & MediaInformationPhishingStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)Government IDMediumContained

CenturyLink

bd_ba14629d7b30e858 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 1, 2017

Filed

Feb 24, 2017

To disclose

23 days

Affected

2state residents only

Linked

3 filings

Confidence

66%

Full breach record for CenturyLink →2 incidents on file

CenturyLink notified NH AG of a phishing incident compromising an employee email account. Discovered Feb 1, 2017; compromise likely started Jan 30, 2017. Affected 2 NH residents with PII (name, address, SSN, DOB). No financial data exposed. Remediation included stopping spam, training, and offering 1-year credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 2 days

discovery → filing · 23 days

Jan 30, 2017

Begins

Feb 1, 2017

Discovered

Feb 24, 2017

Filed

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_fe5852acfd71dca12017-02-28 · +4dVerified
Montana State AGbd_df381037acd1f9012017-02-20 · +4dCandidate

Name: CenturyLink
norm: centurylink

Name: CenturyLink
norm: centurylink
Industry: Telecom & Mediallm

Discovered: Feb 1, 2017
Breach occurred: Jan 30, 2017
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 27, 2017
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: phishing_link

During the incident: The SPAM was stopped
Providing additional training to those involved
Examining procedures to minimize the risk of reoccurrence
Arranged for a complimentary one-year membership in a credit monitoring service
Notified the major credit reporting agencies
Changes made: Providing additional training to those involved
Examining procedures to minimize the risk of reoccurrence
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 days(23 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Montana State AGFeb 20 · first

New Hampshire State AG+4d · this page

Massachusetts State AG+8d

Pattern: first filing Feb 20 (MT), last Feb 28 (MA) — a 8-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://mm.nh.gov/files/uploads/doj/remote-docs/centurylink-20170224.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 24, 2017
Raw hash: ad53cb92a5e00d76520fc708cd22ec1b3387599357501979def0cd72eb992858

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityCenturyLink

Victim entityCenturyLink

Incidentdiscovered Feb 1, 2017

Stated responseThe SPAM was stopped

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov