FREE TRIAL - NO CARD NEEDED
Pubrio gives your team the data, timing, and tools to reach the right prospects before the competition does.
Company & people search
Filter 560M+ contacts by role, industry, tech stack & more.
Sequences
Automate multi-step outreach without losing the personal touch.
Market signals
Stay ahead of every market shift. Pubrio Signals watches companies for you and delivers the right intelligence.
Start your free trial
Join 9,000+ revenue teams already using Pubrio.
No credit card · Cancel anytime · GDPR safe
Already have an account?Log in
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.
2019
Founded
Information Technology & Services
Industry
Estonia
Location
3,040,326
Ranking
76 employees
Size

Get full access to view complete information

© Pubrio 2026