Zacks Investment Research, Inc. — November 2021 breach

Clustered 6 filings across 6 jurisdictions · filing window Jan 24, 2023 → Feb 24, 2023. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

6 filings

States

Affected · reported

820,000

First → last filing

Jan 24, 2023 → Feb 24, 2023

Merge confidence

100%

incident inc_84b86f6d660a4ae0 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 6 regulatory filings. The filings describe unauthorized access. Intrusion Nov 1, 2021–Aug 31, 2022, discovered Dec 28, 2022 — the first regulatory filing landed 27 days later (flagged late). 820,000 individuals reported across the linked filings. Data reported: Authentication, Credentials, and Identity (basic). Notifications rolled out on a 31-day schedule across 6 filings beginning Jan 24, 2023. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

27days

Discovered → first regulatory filing

Discovery variance

0days

Range of discovered_at dates across filings

Filing span

31days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster.

Regulatory clocksOregon✗ OR AG >45dVermont⏱ VT AG >14 bdayWashington✓ WA AG ≤30dMaine✓ ME AG ≤30d · 27dCalifornia✓ CA 60-day OK · 37dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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