HackingTechnologyInformationEmployee Data InvolvedIdentity (basic)Government IDFinancial accountEmploymentMediumContained

MAXLINEAR, INC.

bd_42f3fba5e71eec13 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 24, 2020

Filed

Jun 11, 2020

To disclose

18 days

Affected

Not disclosed

Linked

3 filings

Confidence

64%

Full breach record for MAXLINEAR, INC. →

MaxLinear, Inc. notified California residents of a security incident discovered on May 24, 2020. Unauthorized access occurred between April 15, 2020, and May 24, 2020. Affected data included names, email addresses, mailing addresses, employee IDs, driver's license numbers, financial account numbers, Social Security numbers, dates of birth, work locations, compensation/benefit info, dependents, and employment dates. The company took systems offline, engaged forensic experts, contacted law enforcement, reset passwords, and offered one year of credit monitoring.

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California clockDiscovered May 24, 2020 → Notified Jun 10, 202017d ✓ CA 60-day OK18 days discovery → filing

Incident timeline

undetected · 39 days

discovery → filing · 18 days

Apr 15, 2020

Begins

May 24, 2020

Discovered

Jun 11, 2020

Filed

vs. sector median

16 wks faster

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

Indiana State AGbd_da72a38b88127aea2020-06-10 · +1dVerified
Massachusetts State AGbd_fcd2902f2d5f549d2020-06-17 · +6dVerified

Name: MAXLINEAR, INC.
norm: maxlinear

Name: MAXLINEAR, INC.
norm: maxlinear
Industry: Technologyllm

Discovered: May 24, 2020
Breach occurred: Apr 15, 2020 – May 24, 2020
Undetected for: 39 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 10, 2020
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial accountEmployment
Data elements: Social Security numberDate of birth
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External

During the incident: Took all systems offline
Retained third-party cybersecurity experts to aid in the investigation
Contacted law enforcement
Worked to safely restore systems
Implemented an enterprise-wide password reset
Offering free credit monitoring services, Triple Bureau Credit Monitoring/Triple Bureau Credit Report/Public Records monitoring/Cyber Monitoring for one (1) year provided by CyberScout
Changes made: Continue to take steps to enhance our security program and prevent similar events from happening in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 days(18 days from discovery to filing)
Compliance flags: CA 60-day OK · 17d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: May 24, 2020
→ Notified: Jun 10, 2020
17d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: May 24, 2020 → Notified: Jun 10, 2020	17d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGJun 10 · first

California State AG+1d · this page

Massachusetts State AG+7d

Pattern: first filing Jun 10 (IN), last Jun 17 (MA) — a 7-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://oag.ca.gov/ecrime/databreach/reports/sb24-190822
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 11, 2020
Raw hash: 5577d69ad88fa027a3ddb2ebd49d03dcb497d925ada71825a3d3a65a1a0408cd

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMAXLINEAR, INC.

Victim entityMAXLINEAR, INC.

Incidentdiscovered May 24, 2020

Stated responseTook all systems offline

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov