Fundraising Fox

ThreatSTOP

Carlsbad, US · Delaware corporation

ThreatSTOP provides a protective DNS security service that blocks malicious DNS resolution requests and IP connection attempts using 600+ threat categories, protecting networks from phishing, ransomware, malware, and unwanted traffic. It integrates with DNS servers, firewalls, routers, and cloud infrastructure and serves education, healthcare, enterprise, SMBs, service providers, and managed service providers.

CybersecurityEnterprise SoftwareSaaS

Founders & leadership

TL
TOMAS L. BYRNESinFounder
KB
KAREN BYRNESinExecutive

Board

SH
SEAN HAFEEZBoard director
JE
JOEL EVANIERBoard director
TB
THOMAS BENNETTBoard director
DE
DAVID EHRLICHBoard director

Reported raises · per SEC filings

Form D private placements

$4.8M disclosed across 1 round · 2015

▶$4.8MraisedOct 2015 · 6 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • SEAN HAFEEZDirector
  • TOMAS L. BYRNESExecutive Officer, Director
  • JOEL EVANIERDirector
  • THOMAS BENNETTDirector
  • KAREN BYRNESExecutive Officer
  • DAVID EHRLICHDirector
Offering amount
$4.8M
Amount sold
$4.8M
First sale
Feb 2015
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Competitors · 7

by search overlap
Palo Alto Networks80 shared keywordsPalo Alto Networks provides cybersecurity platforms and services to protect organizations' digital infrastructure across cloud, network, and security operations. The company serves enterprise organizations, governments, financial institutions, utilities, and healthcare providers globally.
Cloudflare Turnstile75 shared keywordsCloudflare provides a global cloud network platform delivering security, performance, and development services through sixty-plus integrated services including SASE, application security, and full-stack development infrastructure.
ArrowPoint72 shared keywordsCisco provides networking, data center, and security technology for enterprises, including infrastructure to run traditional and AI workloads and tools to keep organizations running against cyberattacks and outages. Its platform connects networking devices and monitors security events across corporate networks.
Instart60 shared keywordsInstart was a Palo Alto-based web content delivery and application performance company whose assets Akamai acquired in 2020.
Check Point Software58 shared keywordsCheck Point Software Technologies is a cybersecurity company providing security products and solutions. This page is its investor relations section, containing annual reports, SEC filings, financial results, and corporate governance information.
Infoblox48 shared keywordsInfoblox provides DNS, DHCP and IP address management (DDI) along with DNS-based security services for hybrid and multi-cloud enterprise networks. Its cloud-native, SaaS-based platform serves large organizations, helping NetOps, SecOps and CloudOps teams manage core network services and security.
Trend Micro46 shared keywordsTrendAI (Trend Micro) provides enterprise cybersecurity through its TrendAI Vision One platform, which unifies endpoint, network, cloud, and identity security with XDR visibility, threat intelligence, and AI-focused threat protection. It serves enterprise customers across 185 countries, including hybrid cloud, virtualized data center, and modern SOC environments.

Companies competing with ThreatSTOP for the same Google search keywords, organic and paid, via search-intersection analysis.

Non-dilutive funding · 1 SBIR/STTR award

Federal grants — no equity taken
AgencyPhaseYearAmount
Department of Homeland SecurityPhase I2010$91.5K

Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.

Frequently asked questions

What does ThreatSTOP do?
ThreatSTOP provides a protective DNS security service that blocks malicious DNS resolution requests and IP connection attempts using 600+ threat categories, protecting networks from phishing, ransomware, malware, and unwanted traffic. It integrates with DNS servers, firewalls, routers, and cloud infrastructure and serves education, healthcare, enterprise, SMBs, service providers, and managed service providers.
Who founded ThreatSTOP?
ThreatSTOP was founded by TOMAS L. BYRNES.
How much funding has ThreatSTOP raised?
ThreatSTOP has disclosed $4.8M raised across 1 round.
Where is ThreatSTOP headquartered?
ThreatSTOP is headquartered in Carlsbad, US.