Defendify

Portland, United States Founded: 2017 • Age: 9 yrs
Cybersecurity suite solutions are delivered via a unified platform.

About Defendify

Defendify is a Technology company based in Portland (United States) founded in 2017 by Rob Simopoulos and Andrew Rinaldi. Cybersecurity suite solutions are delivered via a unified platform. Defendify has raised $14.19 million across 7 funding rounds from investors including York IE, Maine Technology Institute and Maine Venture Fund. Its website defendify.com draws about 14 thousand monthly visits. Defendify offers products and services including Detection and Response, Policies and Training, and Assessments and Testing. Its focus areas include Enterprise Infrastructure, Cybersecurity and Suite. Its legal entity is Defendify, Inc. Its competitors include Palo Alto Networks, Imperva and Fortinet; 3 of its 3 listed competitors have raised funding.

Company details

Defendify was founded in 2017 in Portland, United States, within the cybersecurity sector. A platform is provided that integrates multiple layers of security, along with ongoing support and guided expertise. Incident response planning is facilitated, complemented by 247 active monitoring and containment services. Operations focus on enhancing protection for organizations through these combined resources.

  • Headquarters Portland, United States
  • Founders Rob Simopoulos, Andrew Rinaldi
  • Sectors
    Technology
  • Website category Computers Electronics and Technology · Computer Security
  • Phone
    •••• ••••
  • Website defendify.com
  • Social LinkedIn X Facebook Instagram YouTube
  • Legal Name Defendify, Inc
Key Metrics
  • Total Equity Funding
    $14.19M (USD)

    in 7 rounds

  • Latest Funding Round
    $1.45M (USD), Series B

    Oct 2025

  • Investors
    York IE

    & 7 more

Products & Services of Defendify

Defendify offers a comprehensive portfolio of products and services, including Detection and Response, Policies and Training, and Assessments and Testing.

Detection and Response
Security Services

Monitors and responds to cyber threats for organizations.

Policies and Training
Education Services

Delivers cybersecurity awareness training and policy tools.

Assessments and Testing
Risk Assessment

Conducts scans and tests to identify vulnerabilities.

Apps and channels of Defendify

its YouTube channel Defendify has 202 subscribers and 30 videos.

Defendify
YouTube 202 subscribers 30 videos Science & Technology
Open channel

Videos from Defendify

The most watched videos on Defendify's YouTube channel, Defendify (202 subscribers). Click a video to play it here.

Defendify | The All-In-One Cybersecurity® Solution
1.7K views
Defendify Cybersecurity Essentials Package | 3 Free Cybersecurity Tools
1.5K views
Phishing Simulations | Defendify
1.4K views
Vulnerability Scanning | Defendify
1.3K views

More on Defendify.

Funding Insights of Defendify

Defendify has successfully raised a total of $14.19M across 7 strategic funding rounds. The most recent funding activity was a Series B round of $1.45 million completed in October 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $14.19M
  • Total Rounds 7
  • Last Round Series B — $1.45M
  • First Round $1.6M

    (Oct 2019)

  • Investors Count 8

All 7 funding rounds of Defendify with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Oct 2025$1.45MSeries B––
–
Jan 2025$2.47MSeries B––
–
May 2023$2.37MSeries A––
–
Aug 2022$3.35MSeries A–Maine Venture Fund
Dec 2020$960,000Seed––
–
Dec 2019$2MSeed––
Oct 2019$1.6MSeed–Maine Venture Fund
–
Valuation history

8 investors in total: 8 institutional.

Investors in Defendify

Defendify has secured backing from 8 investors, including venture fund and institutional investors. Prominent investors backing the company include York IE, Maine Technology Institute and Maine Venture Fund.

All
Venture Fund
Institutional
InvestorDescriptionFounded YearDomainLocation
maineventurefund.com
Advisory and investment services for technology companies, focusing on B2B SaaS growth.
2019york.ieManchester, United States
Early-stage venture capital funding is provided by FreshTracks Capital.
2000freshtrackscap.comShelburne, United States
Sector-agnostic investments are directed primarily toward US companies.
opusventures.usPortland, United States
3dot6ventures.tcc.mode
Maine's technology sector is supported by a state government agency.
1999mainetechnology.orgBrunswick, United States
Platform enables accredited investors to select and manage startup investments collaboratively.
2010wasabivp.comPalo Alto, United States
Business blog providing insights on professional and personal topics by Richard Bravman.
2004coastal-ventures.comBloomfield Hills, United States
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Investor details for Defendify

The complete investor list, round-by-round participation and investor portfolios require an active premium plan.

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People of Defendify

8 people are tracked at Defendify (4 in leadership, 4 in team).

NameRoleGroup
Rob Simopoulos
Co-FounderLeadership
Andrew Rinaldi
Co-FounderLeadership
John Mayfield
Director, GTM TeamLeadership
Jim Holben
Chief Marketing OfficerLeadership
Darryl Barton
Account ExecutiveTeam
Ashley McCurry
Community ManagerTeam
Rob Pitt
Product & DesignTeam
Donald Minor
Sales Development RepresentativeTeam
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Complete people profiles for Defendify

Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.

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Timeline of Defendify

3 dated milestones of Defendify across 8 years, from founding to its latest funding, stage changes and deals.

  1. Founded Defendify is founded.
  2. Funding First funding round of $1.6M.
  3. Funding Latest funding round, Series B, of $1.4M.

Competitors of Defendify

Defendify has 3 listed competitors in our database, 3 of them funded. They include Palo Alto Networks, Imperva and Fortinet.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
paloaltonetworks.com2005Santa Clara, United States$65.69M1,391
AI and cloud-based platforms are utilized for cybersecurity solutions.
imperva.com2002Redwood, United States$54M528
Cloud-based cybersecurity solutions are provided for enterprise protection.
fortinet.com2000Sunnyvale, United States$54.2M42
Cloud security posture management solutions are provided by the platform.
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Detailed competitors of Defendify

The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.

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Verified entity values are shown only after access is granted.

Web traffic of Defendify

The website of Defendify (defendify.com) receives about 14.3K visits a month and ranks #1,281,781 among all websites worldwide, #3,172 in Computer Security.

  • Monthly visits
    14.3K

    ▼ 8.5% vs previous month

  • Unique visitors
    7.8K

    per month

  • Global rank
    #1,281,781

    among all websites

  • Category rank
    #3,172

    Computers Electronics and Technology · Computer Security

Similar websites

Websites whose visitors overlap most with Defendify. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
cybermagazine.com
100%
85.2K#431,700View details
google.com
81%
85.8B#1View details
linkedin.com
66%
1.9B#18View details
techmagic.co
60%
#456,940View details
getastra.com
40%
133.2K#340,153View details

Top companies in Cybersecurity & Data Protection

3 companies that operate in the same segment as Defendify (Cybersecurity & Data Protection) in United States, ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Cloud based website security solutions
2009San Francisco, California, United StatesUSD 332.1 MUSD 1.67 B7,330
Cybersecurity and zero trust solutions are delivered for secure networks.
2007San Jose, California, United StatesUSD 148 MUSD 3.35 B9,616
Cloud-based identity management solutions are provided for enterprises.
2002Denver, Colorado, United StatesUSD 136.89 MUSD 36.94 M821
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Related news about Defendify

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Complete news archive for Defendify

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Frequently Asked Questions about Defendify

Defendify was founded in 2017 and raised its 1st funding round 2 years after it was founded.

Defendify is headquartered in Portland, United States. It is registered at Portland, Oregon, United States.

Defendify is a funded company, having raised a total of $14.19M across 7 funding rounds to date. The company's 1st funding round was a Seed of $1.6M, raised on Oct 2019.

Defendify was founded in 2017 in Portland, United States, within the cybersecurity sector. A platform is provided that integrates multiple layers of security, along with ongoing support and guided expertise. Incident response planning is facilitated, complemented by 247 active monitoring and containment services. Operations focus on enhancing protection for organizations through these combined resources.

Defendify's top competitors include Fortinet, Palo Alto Networks and Imperva.

Defendify offers Detection and Response, Policies and Training, and Assessments and Testing.

Defendify has 8 investors. Key investors include York IE, Maine Technology Institute, Maine Venture Fund, FreshTracks Capital, and Wasabi Ventures.

Defendify operates through Defendify, Inc.

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