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Blackwall (formerly BotGuard)

Blackwall (formerly BotGuard)

Estonia · Information Technology & Services

Information Technology & Services

Blackwall, formerly known as BotGuard, is a security infrastructure company based in Estonia. Founded in 2019 by Nik Rozenberg and Denis Prochko, Blackwall focuses on protecting web ecosystems from malicious bots, crawlers, and scrapers. The company has made a name for itself in the cybersecurity industry with its flagship product, GateKeeper, which is designed for web hosting providers. GateKeeper offers real-time threat mitigation through features like a Web Application Firewall, support for HTTP/3 and TLS 1.3, automated SSL certificate management, content caching, and rate limiting. Blackwall partners with over 100 intermediaries, including hosting service providers and e-commerce platforms, to deliver its security solutions to small and medium-sized businesses. Its services are utilized across more than 2.3 million websites and applications globally. In 2025, Blackwall raised €45 million in a Series B funding round, reinforcing its commitment to enhancing online security for its clients.

Company Insights
Company Overview

2019

Founded

Information Technology & Services

Industry

Estonia

Location

3,040,326

Ranking

76 employees

Size

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