Social EngineeringTechnologyInformationPhishingStolen CredentialsCustomer Data InvolvedMulti-Stage ChainPIIIdentity (basic)LowContained

ViewSonic Corporation

bd_28a9d8c49ae61359 · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 9, 2022

Filed

Nov 28, 2022

To disclose

11 weeks

Affected

Not disclosed

Linked

4 filings

Confidence

63%

Full breach record for ViewSonic Corporation →

ViewSonic Corporation notified affected individuals of a cybersecurity incident where an employee's email account was compromised via phishing between August 16 and September 9, 2022. The attacker accessed personal information (name and data elements) from the email. ViewSonic secured the account, investigated, and offered one year of Experian IdentityWorks. The incident was contained on September 9, 2022.

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Incident timeline

undetected · 24 days

discovery → filing · 11 weeks / 80 days

Aug 16, 2022

Begins

Sep 9, 2022

Discovered

Oct 20, 2022

Scope determined

Nov 28, 2022

Filed

vs. sector median

7 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_31f7d908c36e55972022-11-28Verified
Maine State AGbd_90bb74b00c89330b2022-11-28Candidate
Indiana State AGbd_3846d9644d85c98b2022-11-23 · +5dVerified

Name: ViewSonic Corporation
norm: viewsonic

Name: ViewSonic Corporation
norm: viewsonic
Industry: Technologyllm

Discovered: Sep 9, 2022
Breach occurred: Aug 16, 2022 – Sep 9, 2022
Undetected for: 24 daysoccurrence → discovery
Materiality determined: Oct 20, 2022
Notification sent: Nov 28, 2022
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Launched an investigation
Took steps to secure the email account
Terminated unauthorized access
Conducted a thorough review of the emails and attachments
Arranged for you to receive a complimentary one-year membership to Experian IdentityWorks
Changes made: Continuing to review and enhance our existing security protocols and practices
Implementation of additional electronic security features
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(80 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 ↗

Indiana State AGNov 23 · first

Massachusetts State AG+5d

Maine State AG+5d

New Hampshire State AG+5d · this page

Pattern: first filing Nov 23 (IN), last Nov 28 (NH) — a 5-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/viewsonic-corporation-20221128.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 28, 2022
Raw hash: a9eac5bb382a7ab2a1f8f06b5e59e654e605b692f043192c24c4a5829d9bbd8a

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityViewSonic Corporation

Victim entityViewSonic Corporation

Incidentdiscovered Sep 9, 2022

Stated responseLaunched an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov