Defendify
Portland, US · Founded 2017 · Delaware corporation · 3 known investors
Consolidated cybersecurity platform designed for small and medium-sized organizations without dedicated security teams.
Cybersecurity
Founders & leadership
Defendify was founded in 2017 by T. Andrew Rinaldi and Rob Simopoulos.
TA
T. Andrew RinaldiCo-founder
RS
Rob SimopoulosCo-founder
Board
NM
Norman MentzBoard director
JR
Joe RaczkaBoard director
JK
Jerry KingBoard director
Investors · 3
Reported raises · per SEC filings
Form D private placements$10.2M disclosed across 7 rounds · 2019–2025
▶$1.4MraisedNov 2025 · 13 investors · Other TechnologyRule 506(b)
▶$1.4MraisedNov 2025 · 13 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Rob SimopoulosExecutive Officer, Director
- Norman MentzDirector
- Joe RaczkaDirector
- T. Andrew RinaldiExecutive Officer, Director
- Jerry KingDirector
- Offering amount
- $1.5M
- Amount sold
- $1.4M
- First sale
- Oct 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$2.5MraisedFeb 2025 · 14 investors · Other TechnologyRule 506(b)
▶$2.5MraisedFeb 2025 · 14 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- T. Andrew RinaldiExecutive Officer, Director
- Norman MentzDirector
- Rob SimopoulosExecutive Officer, Director
- Joe RaczkaDirector
- Jerry KingDirector
- Offering amount
- $2.6M
- Amount sold
- $2.5M
- First sale
- Jan 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$2.4MraisedMay 2023 · 7 investors · Other TechnologyRule 506(b)
▶$2.4MraisedMay 2023 · 7 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Jerry KingDirector
- Norman MenzDirector
- Joe RaczkaDirector
- T. Andrew RinaldiExecutive Officer, Director
- Rob SimopoulosExecutive Officer, Director
- Offering amount
- $3M
- Amount sold
- $2.4M
- First sale
- Apr 2023
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$1.4MraisedFeb 2022 · 11 investors · Other TechnologyRule 506(b)
▶$1.4MraisedFeb 2022 · 11 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Jerry KingDirector
- T. Andrew RinaldiExecutive Officer, Director
- Norman MenzDirector
- Rob SimopoulosExecutive Officer, Director
- Joe RaczkaDirector
- Offering amount
- $2.5M
- Amount sold
- $1.4M
- First sale
- Feb 2022
- Incorporated
- Corporation, Delaware, 2017
- Federal exemptions
- 06b
▶$175KraisedSep 2021 · 3 investors · Other Technology
▶$175KraisedSep 2021 · 3 investors · Other Technology
Officers, directors & promoters on the filing
- Jerry KingDirector
- Norman MenzDirector
- Joe RaczkaDirector
- Rob SimopoulosExecutive Officer, Director
- T. Andrew RinaldiExecutive Officer, Director
- Offering amount
- $400K
- Amount sold
- $175K
- First sale
- Aug 2021
- Incorporated
- Corporation, Delaware, 2017
- Federal exemptions
- 04
▶$960KraisedDec 2020 · 5 investors · Other TechnologyRule 506(b)
▶$960KraisedDec 2020 · 5 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Jerry KingDirector
- Joe RaczkaDirector
- Robert SimopoulosExecutive Officer, Director
- T. Andrew RinaldiExecutive Officer, Director
- Norman MenzDirector
- Offering amount
- $1.5M
- Amount sold
- $960K
- First sale
- Nov 2020
- Incorporated
- Corporation, Delaware, 2017
- Federal exemptions
- 06b
▶$1.4MraisedOct 2019 · 4 investors · Other TechnologyRule 506(b)
▶$1.4MraisedOct 2019 · 4 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Robert John SimopoulosExecutive Officer, Director
- T. Andrew RinaldiExecutive Officer, Director
- Offering amount
- $4M
- Amount sold
- $1.4M
- First sale
- Sep 2019
- Incorporated
- Corporation, Delaware, 2017
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 10
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Netezza222 shared keywordsIBM is a global technology company whose business spans enterprise software (including Red Hat, HashiCorp, and Confluent), IT infrastructure such as mainframes, servers, and storage, and IT consulting services. The company is also investing heavily in quantum computing and AI-based enterprise offerings, including its Lightwell open-source software security clearinghouse and the Anderon quantum wafer foundry.
Sentinel One215 shared keywordsSentinelOne provides an AI-powered cybersecurity platform for enterprises that integrates endpoint protection, threat detection, and incident response capabilities. The company serves large enterprises, including many Fortune 500 organizations, to protect against cyber threats at scale.
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ASTRA by Czar Securities163 shared keywordsAstra builds a continuous offensive pentest platform that helps businesses identify and remediate security vulnerabilities. The platform serves thousands of businesses seeking to improve their security posture.
Check Point Software155 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.
Huntress152 shared keywordsHuntress provides enterprise-grade cybersecurity solutions designed for businesses of all sizes, focusing on threat detection and response to protect organizations against hackers.
Knowbe4149 shared keywordsKnowBe4 provides security awareness training, simulated phishing attacks, and AI-powered human risk management for organizations worldwide. The platform helps enterprises secure both human employees and AI agents against cybersecurity threats through attack simulation, training, and behavioral security interventions.
Mimecast147 shared keywordsMimecast provides email security, data loss prevention, cloud archiving, and human risk management products used by organizations to protect communications and data. Its cybersecurity portfolio serves enterprise and channel-partner customers across regions including EMEA and APAC.
Cynet139 shared keywordsCynet provides enterprise-grade cybersecurity protection designed to be accessible and affordable for mid-market and smaller organizations. The platform delivers threat detection, protection, and remediation capabilities to help companies defend against cyber threats without requiring large security teams.
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In the news
Frequently asked questions
- What does Defendify do?
- Consolidated cybersecurity platform designed for small and medium-sized organizations without dedicated security teams.
- Who founded Defendify?
- Defendify was founded by T. Andrew Rinaldi, Rob Simopoulos in 2017.
- Who are Defendify's investors?
- Defendify's investors include CEI Ventures, FreshTracks Capital, The Alchemy Fund.
- How much funding has Defendify raised?
- Defendify has disclosed $10.2M raised across 7 rounds.
- Where is Defendify headquartered?
- Defendify is headquartered in Portland, US.