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Blackwall quadruples valuation to $2.2B as websites wrangle an increasingly crowded internet

Security1 min read

Blackwall, a security company from Estonia, raised $100 million at a $2.2 billion valuation. It makes tools that help websites handle the growing flood of bot traffic, including AI agents.

What happened

Blackwall said it raised $100 million in a Series C funding round. The round was led by AVP, and existing investors Dawn Capital, MMC Ventures and Tera Ventures also took part. The deal values the company at $2.2 billion. Blackwall's executive chairman says this is four times its valuation at its last fundraise in 2025.

Key numbers

  • Funding raised: $100 million
  • Valuation: $2.2 billion
  • Valuation growth since 2025: about 4 times
  • Round type: Series C (a later stage of startup funding)

Why websites need this

Many websites now get huge amounts of automated traffic called bot traffic. Some bots are harmless, but others attack sites, scrape data, or send bad requests. Companies like Cloudflare and Akamai already help with this problem. Blackwall does not compete with them directly. Instead, it sells to hosting companies, which then offer Blackwall's tools to their own customers under their own brand. Both sides earn money, because hosts set prices and share revenue with Blackwall.

Why it matters

The internet is getting more crowded with bots and AI agents. Sorting good visitors from harmful bots is a hard job, and it is getting more valuable. Blackwall's plan is to help hosting companies manage AI agent access and payments in the future. This could become a large market, and the fast rise in value shows that investors believe in it.

What to watch

  • How fast Blackwall expands across North America, Europe, Asia-Pacific and the Middle East
  • New security tools for hosting, cloud and managed service providers
  • How Blackwall competes with Cloudflare's AI Crawl Control, which lets site owners allow, block or charge AI crawlers

Glossary

Blackwall
A company that builds web traffic security tools for hosting providers.
Series C
A later round of startup fundraising, after earlier rounds of investment.
Valuation
How much a company is worth, based on what investors think it is worth.
Cloudflare
A web infrastructure company that helps protect and speed up websites.

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