Cybersecurity Disclosures

SEC Cyber Incidents

Every material cybersecurity incident a U.S. public company was required to disclose under SEC Item 1.05 — structured, enriched with AI-extracted fields, linked across 8-K/A amendments, and joined to stock-price reactions. Ready for research, risk modeling, and journalism.

70 incidents·48 companies·Dec 2023 → present·last built 15h ago·next check in 8h
Latest filing:Oncology Institute, Inc.(TOI)·2026-05-22·unauthorized access
Package Contents

What's in the bundle

Main incident table

Every Item 1.05 filing with 30+ AI-extracted fields: incident type, data categories exposed, operational disruption, timeline, remediation status, threat-actor attribution where disclosed.

Amendment chain rollup

8-K/A amendments linked to the original disclosure, with a summary of what changed — scope updates, cost disclosures, regulatory cooperation notes.

Stock-price reaction panel

Daily returns t-5 to t+30 around the disclosure date, with market- and industry-adjusted returns. Joined to the main table by accession.

Risk-factor cross-reference

The company's own 10-K cybersecurity language before and after the incident, with AI-generated diff summaries showing what they added post-breach.

Analyst report

16-page CyberSecurityReport in Markdown, HTML, and PDF — incident type mix, filing cadence, data-category breakdown, disclosure lag, notable incidents.

Five formats — CSV, Parquet, DuckDB, JSONL, SQLite. Every format has the same row counts; use whichever fits your stack.

Featured Incidents

What the dataset looks like

A closer look at five filings — fields, market reaction, and a narrative excerpt. The bundle covers every Item 1.05 filing, with full disclosures and every extracted field populated.

UFP TECHNOLOGIES INC

UFPT
2026-02-24
data breachoperational disruption10d to disclose
Exposed:customer datapii

Coinbase Global, Inc.

COIN
2025-05-15
data breach4d to disclose
Exposed:piipaymentcredentialsinternal docscustomer dataemployee data

UNITEDHEALTH GROUP INC

UNH
2024-02-22
unauthorized accessoperational disruption1d to disclose

MICROSOFT CORP

MSFT
2024-01-19
data breach7d to disclose
Exposed:employee datainternal docs

V F CORP

VFC
2023-12-18
ransomwareoperational disruption5d to disclose
Exposed:piicustomer data
Market Reaction

Stock price around disclosure

Every incident with market data has a daily panel from t-5 to t+20, both raw and market-adjusted. Example: UFP TECHNOLOGIES INC (UFPT) on 2026-02-24.

-11.7%-2.7%6.3%0.0% t-5t+0t+5t+10t+15t+20 cumulative return market-adjusted
The Corpus

Every Item 1.05 filing · 70 total

Full catalog, newest first. A short teaser is shown for each; the complete narrative, 30+ extracted fields, risk-factor diff, and stock-price panel are in the bundle.

DateCompanyTickerTypeDisruptiont+5
2026-05-22Oncology Institute, Inc.TOIunauthorized access
2026-05-20WEST PHARMACEUTICAL SERVICES INC (A)WSTransomwareyes
2026-05-11WEST PHARMACEUTICAL SERVICES INCWSTransomwareyes
2026-05-11CB Financial Services, Inc.CBFVdata breach
2026-04-09STRYKER CORP (A)SYKnot specifiedyes-0.5%
2026-04-08Bitcoin Depot Inc.BTMunauthorized access75.5%
2026-03-27CareCloud, Inc.CCLDunauthorized accessyes-15.0%
2026-03-20TRIO-TECH INTERNATIONALTRTransomware-4.2%
2026-02-03WYTEC INTERNATIONAL INC (A)WYTCotheryes-8.8%
2025-12-29Coupang, Inc. (A)CPNGdata breach-3.0%
2025-12-16Coupang, Inc.CPNGdata breach-7.8%
2025-10-30BayFirst Financial Corp.BAFNdata breach-13.7%
2025-10-21JEWETT CAMERON TRADING CO LTDJCTCransomwareyes-3.9%
2025-10-15F5, INC.FFIVdata breach-13.2%
2025-09-10DATA I/O CORPDAIOransomwareyes-4.6%
2025-08-29WYTEC INTERNATIONAL INCWYTCotheryes1.7%
2025-08-21DATA I/O CORPDAIOransomwareyes-4.9%
2025-06-26UNITED NATURAL FOODS INCUNFIunauthorized accessyes7.3%
2025-06-20NUCOR CORP (A)NUEdata breachyes4.2%
2025-06-13Zoomcar Holdings, Inc.ZCARdata breach-55.6%
2025-05-14NUCOR CORPNUEunauthorized accessyes-6.1%
2025-04-14CONDUENT IncCNDTdata breachyes-2.9%
2025-04-09Sensata Technologies Holding plcSTransomwareyes8.4%
2025-03-06NATIONAL PRESTO INDUSTRIES INCNPKnot specifiedyes-6.7%
2025-03-06LEE ENTERPRISES, Inc (A)LEEransomwareyes0.5%
2025-02-18LEE ENTERPRISES, IncLEEransomwareyes-19.3%
2025-01-27ENGLOBAL CORP (A)ENGransomwareyes
2024-12-11Krispy Kreme, Inc.DNUTunauthorized accessyes-4.2%
2024-12-02ENGLOBAL CORPENGransomwareyes
2024-11-18iLearningEngines, Inc.AILEbecyes
2024-09-03HALLIBURTON COHALdata breachyes-8.4%
2024-08-06KEY TRONIC CORP (A)KTCCdata breachyes-4.0%
2024-08-06BASSETT FURNITURE INDUSTRIES INC (A)BSETunauthorized accessyes-0.9%
2024-08-05SONIC AUTOMOTIVE INC (A)SAHsupply chainyes3.4%
2024-08-01META MATERIALS INC.MMATQotheryes-10.3%
2024-07-31Cencora, Inc. (A)CORdata breach4.4%
2024-07-25Crimson Wine Group, LtdCWGLdata breachyes-0.3%
2024-07-15BASSETT FURNITURE INDUSTRIES INCBSETransomwareyes-6.6%
2024-07-12AT&T INC.Tdata breach1.4%
2024-07-05SONIC AUTOMOTIVE INCSAHsupply chainyes5.5%
2024-06-14KEY TRONIC CORP (A)KTCCdata breachyes-5.8%
2024-05-28BRANDYWINE OPERATING PARTNERSHIP, L.P. (A)ransomwareyes0.4%
2024-05-10KEY TRONIC CORPKTCCunauthorized accessyes-2.4%
2024-05-07BRANDYWINE OPERATING PARTNERSHIP, L.P.ransomwareyes3.4%
2024-05-01DROPBOX, INC.DBXdata breach0.7%
2024-04-24UNITEDHEALTH GROUP INC (A)UNHnot specified-0.4%
2024-04-18Frontier Communications Parent, Inc.FYBRunauthorized accessyes
2024-04-12ORASURE TECHNOLOGIES INCOSURdata breach-8.5%
2024-04-08B. Riley Financial, Inc.RILYunauthorized accessyes-13.1%
2024-04-01MARINEMAX INC (A)HZOdata breachyes-10.0%
2024-03-29SouthState Corp (A)SSBunauthorized accessyes-3.0%
2024-03-20RADIANT LOGISTICS, INCRLGTunauthorized accessyes-1.1%
2024-03-12MARINEMAX INCHZOunauthorized accessyes-3.8%
2024-03-08UNITEDHEALTH GROUP INC (A)UNHunauthorized accessyes2.9%
2024-03-08MICROSOFT CORP (A)MSFTdata breach1.8%
2024-03-01Federal Home Loan Bank of New Yorkbec
2024-02-27Cencora, Inc.CORdata breach-1.3%
2024-02-21PRUDENTIAL FINANCIAL INC (A)PFHdata breach1.0%
2024-02-13PRUDENTIAL FINANCIAL INCPFHunauthorized access-2.4%
2024-02-09SouthState CorpSSBunauthorized accessyes6.8%
2024-01-24Hewlett Packard Enterprise CoHPEdata breach-1.4%
2024-01-18V F CORP (A)VFCdata breachyes11.8%
2024-01-12First American Financial Corp (A)FAFunauthorized accessyes-0.0%
2023-12-29First American Financial Corp (A)FAFdata breachyes-4.2%
2023-12-22First American Financial CorpFAFunauthorized accessyes-2.0%
Analyst Report

Preview the 16-page analysis

Every bundle ships a buyer-focused analyst report with corpus rollups, filing-cadence trends, data-category breakdowns, and notable-incident callouts. Preview the first three sections below, or open the full report.

First 3 sections · Open full report →
Use Cases

Built for

Cybersecurity researchers

Build empirical studies on breach disclosure timing, materiality standards, and cross-industry incident patterns with a clean, complete corpus.

Cyber-insurance underwriters

Benchmark disclosed incident frequency, severity, and remediation timelines across sectors. Calibrate loss models on real SEC-reported events.

Journalists & analysts

Track repeat filers, amendment chains, and the gap between discovery and disclosure. Every field has a source-sentence pointer.

Corporate risk teams

See how peers disclose, what they choose to omit, and how risk-factor language changes post-incident. Ready-made for peer-benchmark decks.

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