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State AGConfirmed3 filings · 3 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedhigh sensitivity
Merged incident · 3 filings

TESSERA TECHNOLOGIES INC. — March 2019 breach

Clustered 3 filings across 3 jurisdictions · filing window May 31, 2019 → Jun 6, 2019. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

3 filings

States

3

Affected · reported

5

First → last filing

May 31, 2019 → Jun 6, 2019

Merge confidence

100%

incident inc_9dee567c795442de · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 3 regulatory filings. The filings describe a phishing attack. Intrusion Mar 11, 2019–Mar 15, 2019. 5 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), and Credentials. Notifications rolled out on a 6-day schedule across 3 filings beginning May 31, 2019. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental
Filing span
6days

Time between earliest and latest filing

Not recorded for this incident

Discovery variance · Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster; needs two dated filings.

Regulatory clocksMassachusetts✓ MA credit monitoring dueFull clock table in Litigation Timeline

Sensitive data

identity_government

Incident timeline

Mar 11, 2019breach begins
May 31, 2019first filing
Jun 6, 2019most recent filing

No discovery date is recorded on any filing in this cluster, so the notification delay is not computable. Dashed segments fill in as filings merge.

Member cascade — every filing about this breach

  1. MAY 31MT AGMT AG noticefirst filing · 1 MT residentsday 0
  2. JUN 5MA AGMA AG notice4 MA residents+5d
  3. JUN 6NH AGNH AG noticemost recent · 1 NH residents+6d
  4. Watching for additional filings — new sources merge into this incident automatically.

Roll-up facts — reconciled across members

Breach window
Mar 11, 2019 – Mar 15, 2019
MT AG
Discovered
—
Data types
Credentials · Identity (basic) · Government ID
MT AG + NH AG + MA AG
Attack vector
Phishing
MT AG

Each fact cites the member filing that establishes it; when filings conflict, every value shows with its source.

Affected residents by state

per-state reported counts

MA4
MT1
NH1

State AGs report only their own residents; teal bars show each state's reported slice.

Evidence ladder — rungs this incident occupies

Leak-site claim

No leak-site claim on record for this incident.

Press / market report

No press coverage linked yet.

State AG / regulator filing3 members

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

No SEC filing or victim statement yet.

Merge provenance

Method
deterministic
Confidence
1.00 · above the 0.85 auto-merge floor
Audit
Every link edge records its method, confidence and model + prompt versions (100% is the strongest edge).

Merges are reversible — a wrong link can be detached with its audit trail intact. How merging works.

Filing velocity

Spread

6 days

Cadence

~1 / 3d

vs. multi-state median

1.3× faster

About this clustering

DisclosureLens links filings into incidents through layered matchers: deterministic rules (same source document, multistate filings of one breach, tight-window same-victim pairs), a weighted-similarity scorer for cross-source candidates, and an operator review queue for everything uncertain. Each link records its own method and confidence — shown per filing in the timeline below. The system defaults to NOT merging when uncertain, because a false merge (collapsing two unrelated breaches) is more harmful than a false split (showing related filings separately); uncertain pairs route to human review instead of auto-merging. This page states only what the linked filings agree on; each filing's own account stays on its own record, linked from the timeline below.

The weekly clock on records like this one

The Disclosure Clock is a weekly briefing on what landed in the disclosure record, and the gap between the criminals' post and the regulator's filing — measured on the whole record, with the method shown.

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