Fundraising Fox

Feroot Security

YC W21

Toronto, CA · Founded 2017 · 24 employees · 4 known investors

Feroot discovers and monitors third-party scripts, tags, and trackers on websites to detect malicious or unwanted code and block threats. The platform helps organizations comply with PCI DSS, HIPAA, GDPR, CCPA, and other regulations while protecting customer data.

Founders & leadership· Y Combinator alumni (W21)

Feroot Security was founded in 2017 by Ivan Tsarynny and Vitaliy Lim.

ITIvan Tsarynny
Ivan Tsarynnyin𝕏CEO & Co-founderIvan Tsarynny is CEO and co-founder of Feroot Security, which provides security testing and protection for web application client-side code.
VLVitaliy Lim
Vitaliy LiminFounder & CTO

Investors · 4

Funding

SEC filings, press & company announcements
  • Undisclosed amountSeries ANov 2025 · 2 sources
    Source ↗

Source: company announcements and press reports — follow each round's link for the claim.

Founder mafia

2 people who came through Feroot Security went on to found or lead other companies.

Competitors · 10

by search overlap
Cloudflare Turnstile507 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.
Accountable443 shared keywordsAccountable provides a platform that automates HIPAA compliance tasks including policies, training, risk assessments, vendor management, and incident tracking for small and mid-size healthcare organizations such as dental offices, therapy practices, and health tech startups.
Paubox441 shared keywordsPaubox provides HIPAA compliant email security for healthcare organizations, using generative AI to detect and block phishing, ransomware, and social engineering attacks before they reach the inbox. Its products protect both inbound and outbound email while maintaining compliance for protected health information.
Imperva421 shared keywordsImperva provides cybersecurity solutions to protect customers from cyberattacks across applications, data, and identities during digital transformation. The company serves enterprise customers including major financial institutions, telecom providers, and Fortune 100 companies.
Upguard388 shared keywordsUpGuard provides a platform for managing cybersecurity risk, including third-party vendor and supply chain risk assessment. It is aimed at organizations seeking to evaluate and monitor the security posture of their vendors.
Palo Alto Networks383 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.
Netezza364 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.
illusive networks354 shared keywordsProofpoint offers a suite of enterprise security and compliance products that protect people, email, cloud apps, and data from human-centric cyber threats using machine learning and AI. Its tools also cover data loss prevention, communications archiving, e-discovery, compliance supervision, identity threat detection, and security awareness training.
Sentinel One334 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.
Secureframe333 shared keywordsSecureframe provides a compliance automation platform that helps enterprises maintain security and compliance posture with common controls mapping across multiple frameworks. The platform uses AI and automation to reduce manual compliance work for organizations managing standards like SOC 2, ISO 27001, and HIPAA.

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

In the news

Frequently asked questions

What does Feroot Security do?
Feroot discovers and monitors third-party scripts, tags, and trackers on websites to detect malicious or unwanted code and block threats. The platform helps organizations comply with PCI DSS, HIPAA, GDPR, CCPA, and other regulations while protecting customer data.
Who founded Feroot Security?
Feroot Security was founded by Ivan Tsarynny, Vitaliy Lim in 2017.
Who are Feroot Security's investors?
Feroot Security's investors include StoneMill Ventures, True Ventures, Y Combinator, Preface Ventures.
Where is Feroot Security headquartered?
Feroot Security is headquartered in Toronto, CA.