Blackwall Raises $100M Series C at $2.2B Valuation for Web Security
The Estonia-based web traffic security firm secured its latest funding round led by AVP, following a previous raise in March 2025.
Key points
- Blackwall raised $100 million in a Series C funding round.
- The company achieved a valuation of $2.2 billion.
- AVP led the investment round for the security vendor.
Estonia-based web traffic security company Blackwall announced on Tuesday that it has raised $100 million in a Series C funding round. The investment was led by AVP and values the company at $2.2 billion, according to a report by TechCrunch.
This latest capital injection follows a previous Series B raise of $49.2 million that Blackwall completed in March 2025. The funding trajectory highlights continued investor interest in specialized web security infrastructure providers.
Funding Context and Valuation
The $100 million Series C round represents a significant increase in capital for the Estonian firm. By securing this amount, Blackwall has reached a $2.2 billion valuation, marking a substantial growth milestone since its earlier funding activities.
According to TechCrunch, the lead investor for this round is AVP. This follows the company’s March 2025 Series B financing, which brought in $49.2 million. The rapid succession of funding rounds suggests strong market confidence in the vendor’s business model and technology stack.
Who Is Affected
Blackwall builds web traffic security tools specifically designed for hosting providers. The company focuses on protecting the infrastructure that supports web services, rather than offering direct-to-consumer security products.
Hosting providers and infrastructure operators are the primary beneficiaries of Blackwall’s technology. These organizations rely on specialized tools to manage and secure the traffic flowing through their networks. The new funding may allow Blackwall to expand its offerings or improve its existing security solutions for these clients.
What should you do?
Security professionals should monitor Blackwall’s product updates as the company scales with new capital. Hosting providers using Blackwall’s tools should review their current configurations to ensure they are leveraging the latest security features available.
What to do and how to stay safe: Blackwall
- Review current web traffic security configurations to ensure alignment with best practices.
- Monitor vendor announcements for new features or updates following recent funding rounds.
- Assess whether your hosting infrastructure has adequate visibility into traffic patterns.
- Verify that security tools are properly integrated with existing network monitoring systems.
Step-by-step guide: Mobile Device Security: How to Protect Data Beyond Passwords
General security guidance from the Threat Times newsroom. It is not confirmed advice from the organisations named in this story.
Frequently asked questions
How much money did Blackwall raise in its latest funding round?
Blackwall raised $100 million in a Series C funding round led by AVP.
What is Blackwall’s current valuation?
The company is valued at $2.2 billion following the Series C investment.
When did Blackwall raise its previous Series B funding?
Blackwall raised $49.2 million in a Series B round in March 2025.
