Your access to client sites makes you a high-value supply chain target

Why digital agencies are a supply chain risk

A compromised agency credential is worth far more to an attacker than a compromised end client. One set of stolen FTP or CMS admin credentials can give access to dozens or hundreds of client websites simultaneously. Attackers know this — and they specifically target agencies, freelancers, and development teams as an efficient route into a large number of victims at once.

Enterprise and public sector clients are increasingly requiring their digital suppliers to hold Cyber Essentials before granting development access. It is also becoming a baseline requirement in procurement frameworks and IR35 contractual terms. Beyond the commercial case, a supply chain compromise that exposes client data carries significant GDPR liability and reputational damage that is very difficult to recover from.

What we do for web development and digital agencies

• Cyber Essentials certification — increasingly required by enterprise and public sector clients before granting development access; a commercial differentiator in competitive pitches
• Developer access and credential security — identify how client credentials are stored, shared, and revoked across your team, tooling, and offboarding processes
• Code repository and CI/CD security — access controls, secrets management, and deployment pipeline security to prevent supply chain compromise via your build tooling
• Web application security assessment — test your own and client-facing applications against the OWASP Top 10 before vulnerabilities are exploited
• Email authentication (SPF, DKIM, DMARC) — prevent attackers spoofing your domain to target your clients with fraudulent support requests or invoices
• Incident response planning — clear steps if developer credentials are stolen or a client site is compromised via your access, including client notification and ICO obligations

Start with your domain

Check your domain's email security in under 30 seconds. Our free passive scan reads your public DNS records — no sign-up, no scanning your network.

UK-registered cybersecurity specialists  ·  No vendor affiliation  ·  Priced for studios and independent agencies