Blackwall, a global web infrastructure company building a web traffic management ecosystem, today announced it raised $100 million in a Series C funding, valuing the company at $2.2 billion.
The firm is a cybersecurity and web-traffic management company headquartered in Estonia. It develops tools that help web-hosting companies, cloud providers and managed service providers protect websites from bots, agents and other malicious traffic.
The company’s flagship product, GateKeeper, inspects incoming traffic by filtering malicious bots, application-layer distributed denial-of-service attacks, and brute-force login attempts before they reach client applications. Blackwall’s broader service also includes firewalls, load balancing, and optimization tools to distinguish legitimate and artificial intelligence traffic from potential attackers.
“The web is becoming more automated, more distributed and more complex, but the infrastructure that powers it remains highly fragmented,” said co-founder and Chief Executive Nikita Rozenberg. “Our ambition is to build the traffic management ecosystem that brings those worlds together.”
The company’s name, Blackwall, changed from BotGuard in March 2025 alongside its Series B funding round, references Cyberpunk 2077, a science fiction video game published by CD Projekt Red. In the game, the Blackwall is a digital barrier that protects the Net from terrifying rogue artificial intelligences that would destroy humanity’s corporate and information infrastructure.
Rozenberg said the new funding will help the company expand globally and deepen its platform, giving hosting and infrastructure providers the technology to participate in the next generation of the web.
AVP led the funding round, with participation from existing investors Dawn Capital, MMC Ventures and Tera Ventures.
“Blackwall has built something rare: a security company that grows with the internet itself,” said AVP General Partner Warda Shaheen. “It is already the layer in front of millions of websites, and as more of the web’s traffic comes from agents, the company in that position becomes indispensable. That’s why we’re leading this round.”
Blackwall partners with web hosting and cloud providers to catch unwanted traffic, cut operating costs and speed up traffic. Its modular nature also boosts customer-facing web security features, which customers can pick and choose, package and bundle as their own products, generating revenue without building or maintaining the technology themselves.
The web hosting market hit $150 billion in 2025, according to a report from Grand View Research Inc., and is projected to reach $178 billion by the end of this year. The same report estimates that the market will reach $506 billion by 2033. Blackwall supports this market by providing cybersecurity resilience for providers that add its services to their own offerings. According to Grand View, the market is driven primarily by growth in startups and small-business activity online.