Social EngineeringGovernment IDIdentity (basic)Health (basic)MediumContained

AtriCure, Inc.

bd_8c61212c9977bb27 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 7, 2021

Filed

Jun 4, 2021

To disclose

8 weeks

Affected

7state residents only

Linked

6 filings

Confidence

66%

Full breach record for AtriCure, Inc. →2 incidents on file

AtriCure, Inc. notified the New Hampshire Attorney General of a security incident involving unauthorized access to employee email accounts between December 24, 2020, and March 8, 2021. The breach exposed the names and Social Security numbers of 7 New Hampshire residents, along with limited health information related to an employee welfare plan. AtriCure secured the accounts, engaged a forensic firm, and provided 7 residents with one year of credit monitoring via Experian.

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Incident timeline

undetected · 104 days

discovery → filing · 8 weeks / 58 days

Dec 24, 2020

Begins

Apr 7, 2021

Discovered

Jun 4, 2021

Filed

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_338592893cfa9fcf2021-06-04Verified
Maine State AGbd_8ed62bf8396488012021-06-04Verified
Indiana State AGbd_9cebdf7d74930d072021-06-04Verified
Montana State AGbd_ad88398e2a96a76d2021-06-04Verified

Show 1 more filing ↓

Massachusetts State AGbd_e542fe1b6c0baf442021-06-04Verified

Name: AtriCure, Inc.
norm: atricure
Domain: atricure.com

Name: AtriCure, Inc.
norm: atricure
Domain: atricure.com

Discovered: Apr 7, 2021
Breach occurred: Dec 24, 2020 – Mar 8, 2021
Undetected for: 104 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 4, 2021
Affected individuals: 7state-resident count only
Data types: Government IDIdentity (basic)Health (basic)
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: External
Initial access: phishing_link

During the incident: Took measures to secure the email accounts
Launched an investigation with the assistance of a professional security firm
Review of the emails and attachments that could have been viewed
Providing written notice to the New Hampshire residents via First Class U.S. Mail
Offering the New Hampshire residents a complimentary one-year membership in credit monitoring and identity theft protection services through Experian
Established a dedicated call center
Changes made: Taking steps to enhance its existing security protocols
Implementation of multi-factor authentication for email accounts
Re-educating its staff for awareness of these types of incidents
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(58 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 · 6 states

View merged incident ↗

HHS OCRJun 4 · first

Maine State AGJun 4 · first

Indiana State AGJun 4 · first

Montana State AGJun 4 · first

Massachusetts State AGJun 4 · first

New Hampshire State AGJun 4 · 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://mm.nh.gov/files/uploads/doj/remote-docs/atricure-20210604.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 4, 2021
Raw hash: dd1a521d07b67794190166eb641b3b5d6d011ae6803ae6e625ab18aadd05979a

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityAtriCure, Inc.

Victim entityAtriCure, Inc.

Incidentdiscovered Apr 7, 2021

Stated responseTook measures to secure the email accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov