AccidentalProfessional ServicesProfessional ServicesMisconfigurationEmployee Data InvolvedPIIIdentity (basic)LowContained

Day & Zimmermann

bd_2973db19ee2a903e · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 10, 2023

Filed

Oct 16, 2023

To disclose

5 weeks

Affected · nationwide

1162 in this filing

Linked

2 filings

Confidence

66%

Full breach record for Day & Zimmermann →

Day & Zimmermann notified the NH AG of a misconfiguration in its SuccessFactors HR system. A vendor update on Sept 8, 2023, allowed employees to view other employees' PII. The issue was discovered and corrected on Sept 10, 2023. 116 employees logged in during the window; 2 NH residents were notified. No evidence of actual access was found. Credit monitoring offered.

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Incident timeline

undetected · 1 days

discovery → filing · 5 weeks / 36 days

Sep 8, 2023

Begins

Sep 10, 2023

Discovered

Oct 16, 2023

Filed

vs. sector median

14 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Vermont State AGbd_db75b17f5334fe3d2023-10-02 · +14dVerified

Name: Day & Zimmermann
norm: day zimmermann

Name: Day & Zimmermann
norm: day zimmermann
Industry: Professional Servicesllm

Discovered: Sep 10, 2023
Breach occurred: Sep 8, 2023 – Sep 10, 2023
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Oct 2, 2023
Affected individuals: 116state + nationwide
Data types: PIIIdentity (basic)
Attack vector: Misconfiguration
MITRE ATT&CK: T1078 Valid Accounts
Regulator citations: Notified New Hampshire Office of the Attorney General

During the incident: Corrected settings and restored proper restrictions to access
Sent notifications by company email to affected employees
Offered 12 months of complimentary credit monitoring through TransUnion
Changes made: Evaluated cybersecurity posture of third-party software
Taking steps to ensure employees' personal information would not be subject to such inadvertent access in the future
Completed SuccessFactors implementation to enable determination of if any employee data field was viewed
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(36 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Vermont State AGOct 2 · first

New Hampshire State AG+14d · this page

Pattern: first filing Oct 2 (VT), last Oct 16 (NH) — a 14-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/day-zimmermann-20231016.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 16, 2023
Raw hash: 080cc12ba84e2f050dde1aae9d996bb58fdeedadd817c9bf0b529998ac431864

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityDay & Zimmermann

Victim entityDay & Zimmermann

Incidentdiscovered Sep 10, 2023

Stated responseCorrected settings and restored proper restrictions to access

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov