Blackwall quadruples valuation to $2.2B as websites wrangle an increasingly crowded internet
Estonia-based cybersecurity firm Blackwall has raised $100 million at a $2.2 billion valuation. The company provides security tools to hosting providers to help them manage bot traffic and AI-driven threats.
Why it matters
As AI agents and automated bot traffic increase, web infrastructure security is becoming a critical and highly lucrative sector for hosting providers.
Estonia-based Blackwall , which builds web traffic security tools for hosting providers, said on Tuesday that it has raised $100 million at a $2.2 billion valuation. It builds products that helps websites grapple with the skyrocketing volume of bot traffic, especially AI agents.
The Series C was led by AVP, with participation from existing investors Dawn Capital, MMC Ventures and Tera Ventures. Blackwall’s executive chairman, Roi Carthy, told TechCrunch this funding round increased the company’s valuation by 4 times since its previous fundraise in 2025 .
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