Every new California business filing, every day2 cybersecurity businesses recently registered in Santa Clara, California.
Updated August 19, 2026 · Most recent business filing Sep 3, 2025

Every new California filing, every day
See how it worksThis page lists new cybersecurity businesses registered in Santa Clara, California. We currently track 2, sourced directly from the California Division of Corporations and refreshed daily as new cybersecurity companies file.
Recent additions include ThreatDown and ThreatDown. The most recent cybersecurity business filing was on Sep 3, 2025.
Each entry shows the filing date and, where we can verify it, the owner name and contact details. If you sell to cybersecurity businesses in Santa Clara, this is one of the freshest prospect lists in the market.
ThreatDown Inc. is a cybersecurity company based in Santa Clara, CA, offering an all-in-one platform that unifies EDR, MDR, patch management, and email security for SMBs, mid-market firms, and MSPs. The website lists sales, press, and legal contact emails, and features officer names matching the LLC filing, including Ameet Matharu and Marcin Kleczynski.
ThreatDown Inc. is a cybersecurity software company headquartered in Santa Clara, California. The company is powered by Malwarebytes and offers sales, press, and legal contacts at the same address as the LLC filing.
Sign up to see verified contact details for this business and 2 others in Santa Clara
Build My Campaign FreeWe find newly registered businesses, verify their contact details, and build the campaign. You review everything before anything sends.
Build My Campaign Free ›