Backend Development
in London
Proof-driven Backend Development for organizations in London. We deliver validated exploit evidence, not automated scanner noise.
Free Scoping CallLondon Threat Intelligence
Global financial capital with one of the world's most mature cybersecurity markets. FCA and PRA regulations mandate regular penetration testing for financial institutions.
Technology Ecosystem
Europe's largest fintech hub. Home to 2,500+ fintech firms, major banks (HSBC, Barclays), and the FCA regulatory framework.
API manipulation in Open Banking implementations
Container escape in Kubernetes-based microservice architectures
Sophisticated social engineering targeting financial sector employees
Supply-chain attacks on fintech SaaS platforms
Regional Regulations
Key Industries
Proof-Driven Methodology
Discovery
Attack surface mapping & asset enumeration
Analysis
Manual testing beyond automated scanners
Exploit & Proof
PoC validation for every finding
Report & Retest
Remediation code + free retest
Frequently Asked Questions
How long does the Backend Development process take?
Typically 1-4 weeks depending on scope and infrastructure complexity. We provide a firm timeline after discovery.
What do the deliverables look like?
Each finding includes exploit proof (PoC), business impact score, and developer-friendly remediation code — plus an executive summary.
Is the report valid for regulatory audits?
Yes. Our reports are accepted as audit evidence for ISO 27001, PCI-DSS, SOC2, GDPR, and HIPAA compliance processes.
Why Eresus Security?
Proof-Driven Reporting
Every finding is validated with a real exploit. No scanner noise — only proven risks.
Offensive Security Expertise
Specialized team in AI security, API pentesting, Red Team operations, and cloud security review.
Free Retest Guarantee
We retest your fixes for free. Remediation code and developer support included.
Audit-Ready Deliverables
Reports accepted in ISO 27001, PCI-DSS, SOC2, GDPR, and HIPAA audit processes.
Related Service Areas
Validate Your Security Posture
Don't rely on scanner outputs. We execute the same techniques real attackers use — in a controlled environment, for you.
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