Blackwall raises $100M in Series C funding with a valuation of $2.2B
Estonia-based cybersecurity firm Blackwall has raised $100 million in a Series C round, valuing the company at $2.2 billion — quadrupling its valuation since its last fundraise in 2025. The funding was led by AVP with participation from existing investors Dawn Capital, MMC Ventures, and Tera Ventures. Blackwall specializes in tools that help hosting providers manage bot traffic, including AI agents, through a channel-based model where it partners directly with web hosts rather than selling to end users. The company’s approach allows hosting providers to customize and brand its security solutions for their clients while sharing revenue with Blackwall. Its technology includes digital fingerprinting and endpoint AI models that distinguish between legitimate traffic and malicious bots or rogue agents. As the internet becomes more crowded, especially with rising bot activity and AI interactions, companies like Blackwall are gaining traction by offering tools to manage this complex landscape. Blackwall plans to use its new funding for global expansion into North America, Europe, Asia-Pacific, and the Middle East, as well as developing additional security solutions. The company sees a growing opportunity in managing traffic from AI agents that interact with websites on behalf of users.
Topics: cybersecurity startup funding web infrastructure
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