CodeWall Emerges From Stealth With $4 Million in Pre-Seed Funding

London-based cybersecurity startup CodeWall has emerged from stealth with $4 million in pre-seed funding to develop AI agents for ongoing enterprise security testing.

Osney Capital led the round, with InReach Ventures, Antler and angel investors participating. CodeWall plans to expand the environments its agents can test and build workflows for checking findings and fixes.

The agents begin without credentials, source code or inside access, then investigate systems in parallel. They connect findings across applications and retest changes within the scope each customer authorizes.

CodeWall positions the service as ongoing testing rather than periodic penetration tests. The company plans to grow its teams in London.

CodeWall says its agents found vulnerabilities at McKinsey & Company, Boston Consulting Group and Bain & Company earlier this year. In a March research post, CodeWall described an agent finding an SQL injection in McKinsey’s Lilli generative AI platform and gaining read and write access to its production database within two hours. CodeWall said it disclosed the findings to McKinsey and that the issues were fixed before publication.

Axos Financial is working with CodeWall to test applications more frequently from an attacker’s perspective. Raghu Valipireddy, Axos Financial’s senior vice president and chief information security officer, said, “As AI changes what attackers are capable of, we think it's important to be adopting these technologies early.”

CodeWall founder and CEO Paul Price said, “Enterprises shouldn’t have to wait for a real attacker to find out whether their defenses hold.”