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Same-day alerts when a public company files an SEC 8-K Item 1.05 cyber breach. Sourced from EDGAR, not the news cycle. Free weekly sector digest.
What is SEC 8-K Item 1.05 cybersecurity disclosure
Item 1.05 requires SEC registrants that file Form 8-K to promptly disclose material cybersecurity incidents, focusing on what happened, timing, scope, impact, data exfiltration, remediation status, and updates. The key is a cross-functional materiality decision, timely filing after the date of determination, and careful but narrow redactions when disclosure would hamper response or an investigation.
Read more →Cybersecurity incident materiality determination under Item 105
Item 105 applies a facts-and-circumstances materiality test to cybersecurity incidents, meaning companies must weigh technical impact, operational disruption, data sensitivity, contractual and regulatory obligations, remediation exposure, and investor perception together. Practical decision making requires cross-functional escalation triggers, contemporaneous documentation, and a clear disclosure workflow so a defensible call can be made promptly as facts evolve.
Read more →How to get incident response clients from 8-K filings
Monitor Form 8-K cybersecurity disclosures as fast-moving lead signals. Itemized language like unauthorized access, ongoing investigation, and third-party engagement often marks an active, materially consequential incident, giving incident response teams a narrow window to offer rapid, relevant assistance.
Read more →How to monitor SEC 8-K filings for data breaches
Monitor Item 105 disclosures in Form 8-Ks by combining EDGAR feeds, vendor alerts, and human triage. Use clear filters, keyword buckets, and a simple escalation workflow to detect and act on breach-related filings quickly.
Read more →SEC 8-K vs state data breach notification laws
SEC Item 105 is investor-focused disclosure of material cyber incidents for public companies, state breach-notification laws require notice to affected individuals and regulators and both can apply to the same incident.
Read more →SEC 8-K Breach Monitoring FAQ: 12 Questions for IR, MSSP, and Cyber Insurance Teams
Direct answers to the questions IR firms, MSSPs, and cyber insurance teams actually ask about monitoring SEC Item 1.05 cybersecurity 8-K filings: cost, speed, scope, and what BreachTrigger does and does not do.
Read more →SEC Item 1.05 vs Regulation S-K Item 106: The Two-Part Cybersecurity Rule
The SEC's 2023 cybersecurity rule has two parts: Item 1.05 (Form 8-K, 4-day incident disclosure) and Item 106 (Regulation S-K, annual risk governance). Here is the exact regulation text and how they differ.
Read more →What Is SEC EDGAR? The Free Database Behind Every Public Company Filing
SEC EDGAR is the free, public database where every US public company files its disclosures, including material cybersecurity 8-Ks. Here is what it is, what full-text search covers, and how to use it.
Read more →SEC 8-K Cyber Disclosure Examples: Strong vs Weak
Annotated Item 1.05 and 8.01 cyber 8-K patterns: what strong disclosures include, what weak ones omit, and how amendments usually fill the gaps.
Read more →Best Data Breach Alert Services in 2026 (For IR Firms, MSSPs, and Insurers)
Compare regulatory filing alerts, dark-web monitors, and breach aggregators. Features, pricing, latency—trusted by incident responders.
Read more →Breach Disclosures as Sales Triggers: Turning 8-K Filings Into Warm Outreach
SEC 8-K breach filings are the highest-intent sales triggers in cybersecurity. Learn the 48-hour window, who to contact, and templates that work.
Read more →Cyber Insurance Leads: How Brokers and Carriers Generate Them in 2026
Learn how brokers leverage SEC 8-K filings and breach disclosures to find qualified cyber insurance leads and convert renewal conversations.
Read more →SEC Cybersecurity Materiality Determination: 8-K Test
How companies apply the quantitative and qualitative materiality test to decide if a cybersecurity incident triggers SEC Item 1.05 disclosure, and why most incidents land in Item 8.01 instead.
Read more →How to Get Incident Response Clients: 7 Channels That Actually Fill IR Pipelines
7 proven channels for IR firms to build pipelines: insurance panels, law firm referrals, breach alerts, and retainer conversions. Ranked by effort vs. deal size.
Read more →How to Monitor SEC 8-K Filings for Data Breaches (Manual, EDGAR API, and Alert Tools)
Three practical ways to catch Item 1.05 cybersecurity disclosures: EDGAR search, API automation, and managed alerts. Trade-offs and setup steps.
Read more →MSSP Lead Generation: Strategies That Work Beyond Cold Email in 2026
Event-driven MSSP lead generation using breach disclosures, supplier targeting, and proof-of-monitoring offers that convert faster than cold outreach.
Read more →SEC 8-K vs State Data Breach Notification Laws: Who Must Be Told, and When
Compare SEC 8-K 4-day filing deadlines vs. state breach notification law requirements. Timeline, thresholds, and audiences explained.
Read more →SEC Cyber Disclosure Rules: 4-Business-Day Deadline
The Item 1.05 clock starts at materiality, not discovery. The materiality test, the AG delay exception, and how Item 8.01 differs from Item 1.05.
Read more →SEC EDGAR Full-Text Search for Breach 8-Ks
Exact search strings and API calls to find material cybersecurity incident 8-Ks. Hedged-language traps, rate limits, and Item 1.05 filters.
Read more →SEC 8-K Item 1.05: The 4-Day Cybersecurity Disclosure Rule
Item 1.05 is the 4-business-day Form 8-K for a material cybersecurity incident, timed from the materiality decision, not discovery. What the filing covers.
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