HackingTechnologyInformationCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

Semtech (formerly Sierra Wireless)

bd_758ddb96f3573bd3 · schema v1 · pii pii-v1

Severity

High

Discovered

Sep 17, 2021

Filed

Oct 22, 2021

To disclose

5 weeks

Affected · nationwide

2,6083 in this filing

Linked

5 filings

Confidence

66%

Full breach record for Semtech (formerly Sierra Wireless) →2 incidents on file

Sierra Wireless, Inc. reported an external system breach (hacking) occurring between January 12, 2021, and March 20, 2021, discovered on September 17, 2021. The incident affected 2,608 individuals, including 3 Maine residents. Acquired data included names and Social Security Numbers. Sierra Wireless provided written notification on October 22, 2021, and offered 24 months of credit monitoring and fraud protection through TransUnion.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Sep 17, 2021 → Filed with AG Oct 22, 202135d ⏱ ME AG >30d5 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 248 days

discovery → filing · 5 weeks / 35 days

Jan 12, 2021

Begins

Sep 17, 2021

Discovered

Oct 22, 2021

Filed

vs. sector median

14 wks faster

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Montana State AGbd_205bf88d01e5a6b42021-10-22Candidate
Massachusetts State AGbd_4d92ca9f8d36cca62021-10-22Verified
Indiana State AGbd_674efbbb5dddad142021-10-22Verified
New Hampshire State AGbd_e3f3a53d88c739582021-10-22Verified

Name: Semtech (formerly Sierra Wireless)
norm: semtech formerly sierra wireless
Domain: sierrawireless.com

Name: Semtech (formerly Sierra Wireless)
norm: semtech formerly sierra wireless
Domain: sierrawireless.com
Industry: Technologyllm

Discovered: Sep 17, 2021
Breach occurred: Jan 12, 2021 – Mar 20, 2021
Undetected for: 248 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 22, 2021
Affected individuals: 2,608state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 24 months of complimentary credit monitoring and fraud protection services from TransUnion
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(35 days from discovery to filing)
Compliance flags: ME AG >30d · 35d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Sep 17, 2021
→ Filed with AG: Oct 22, 2021
35d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Sep 17, 2021 → Filed with AG: Oct 22, 2021	35d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Montana State AGOct 22 · first

Massachusetts State AGOct 22 · first

Indiana State AGOct 22 · first

New Hampshire State AGOct 22 · first

Maine State AGOct 22 · 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/028aad2d-97ea-4bee-8305-f5e2bfd76539.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 22, 2021
Raw hash: 2f2447f6bc8c940fcaedad1761b7a0f9bbbcb999b0d4a9d290de4ac8668a628d

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entitySemtech (formerly Sierra Wireless)

Victim entitySemtech (formerly Sierra Wireless)

Incidentdiscovered Sep 17, 2021

Stated responseSent written notification to affected individuals

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov