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SecureMigrate

Banks & Financial Services

Cloudflare DDoS & security controls for banks and fintech

Many compliance frameworks and financial regulators expect demonstrable DDoS protection and availability controls. We implement and evidence the Cloudflare controls — DDoS, WAF, API and bot defence, Zero Trust — that support PCI DSS, DORA, NIS2, ISO 27001 and SOC 2.

Who this is for

  • Banks & online banking platforms
  • Fintech, payment & wallet providers
  • Insurance & lending platforms
  • Trading, exchange & investment portals

Why this matters

Why banks and fintech need DDoS & security controls

In regulated finance, DDoS protection and availability are not just good practice — specific frameworks expect them, and auditors want to see the evidence.

Compliance frameworks require DDoS protection

Standards and regulations such as PCI DSS, DORA, NIS2, ISO 27001 and SOC 2 — plus financial regulators’ operational-resilience rules — expect demonstrable protection against DDoS and strong availability controls.

“Show us the evidence”

Auditors and assessors want documented controls, logs and security events — not just a dashboard with settings switched on.

Downtime is a reportable event

For a bank or payment provider an outage isn’t just lost revenue — it can be a reportable incident with regulatory consequences.

Always-on, high-value target

Financial brands are constant targets for DDoS, credential stuffing and account-takeover attempts around the clock.

Open-banking APIs widen the surface

Partner and open-banking APIs expand the attack surface and need dedicated protection and rate limiting.

Hard to implement and prove correctly

Knowing a framework expects DDoS protection is easy; configuring, tuning and evidencing it without breaking services is the hard part.

Compliance drivers

Which frameworks expect DDoS & availability controls

These are the standards and regulations that commonly drive the requirement. Your compliance team confirms which apply to you; we implement the technical controls they call for.

PCI DSS

Card-data environments require WAF coverage, access control and logging for public-facing web and payment flows.

DORA (EU)

The Digital Operational Resilience Act expects financial entities to withstand and recover from ICT incidents, including cyberattacks and DDoS.

NIS2 (EU)

Network & information security rules push availability, resilience and protection of essential services.

ISO 27001 / SOC 2

Information-security and availability controls auditors expect to see evidenced, not just toggled on.

Operational resilience rules

Financial regulators broadly expect institutions to protect critical online services against DDoS and maintain availability.

Internal & partner requirements

Risk teams, banking partners and acquirers increasingly require demonstrable DDoS protection before onboarding.

We support the technical, edge-layer controls behind these frameworks. We do not issue certifications, act as a QSA, or provide legal or regulatory advice — your assessors and regulators determine compliance.

Controls we implement

The Cloudflare controls we configure and tune

Edge-layer controls that strengthen resilience and support your security and compliance programme.

DDoS resilience (L3/L4 & L7)

Always-on mitigation and Under Attack readiness to help keep online banking, portals and APIs available during volumetric and application-layer attacks.

WAF & OWASP coverage

Managed and custom rules protecting customer portals, payment flows, admin and back-office systems.

API & open-banking protection

Rate limiting, schema-validation patterns and bot defence for REST and partner/open-banking APIs.

Bot & abuse defence

Defence against credential stuffing, account-takeover attempts, card testing and automated abuse.

Zero Trust for staff & admin

Identity-based access for internal apps, admin panels and third parties, with least privilege and SSO.

Origin protection

Hiding and locking down origin infrastructure so attackers cannot bypass the edge.

Logging & audit trails

Security events and log export (e.g. Logpush to your SIEM) to support monitoring and audit evidence.

Monitoring & escalation

Defined monitoring, alerting and an escalation path so incidents are caught and handled quickly.

Implementation

How we help you implement it

Implementation and evidence — not just a recommendation. We do the hands-on work and leave you audit-ready.

  1. 1

    1. Map controls to requirements

    We translate the technical expectations of the frameworks you’re held to — PCI DSS, DORA, NIS2, ISO 27001, SOC 2 — into a concrete Cloudflare control set for your environment.

  2. 2

    2. Implement & tune

    We implement DDoS, WAF, API, bot and Zero Trust controls in staged, reversible steps, tuned to your portals and APIs so legitimate customers and partners are never blocked.

  3. 3

    3. Evidence & document

    We configure logging and log export to your SIEM and produce clear documentation of what is configured and why — the evidence your auditors and assessors ask for.

  4. 4

    4. Operate & rehearse

    Monitoring, an incident playbook and managed-care options keep controls effective and ready, with rehearsed Under Attack and escalation procedures.

Compliance context

Supporting compliance — not replacing your auditors

We implement and document the technical, edge-layer controls that support frameworks like PCI DSS, DORA, NIS2, ISO 27001 and SOC 2. We help your security and audit teams with evidence — security events, logs and documented configuration — but we do not issue certifications, act as a QSA, or provide legal or regulatory advice. Your assessors and regulators determine compliance.
Discuss your requirements

What this covers

  • Technical controls mapped to framework requirements
  • DDoS and availability controls regulators expect
  • Log export to your SIEM for audit evidence
  • Clear documentation of what is configured and why

Scope

What is and isn’t included

What is included

  • Mapping framework requirements to Cloudflare controls
  • Hands-on implementation & tuning of DDoS, WAF, API, bot & Zero Trust
  • Origin protection and hardening
  • Logging / Logpush to your SIEM and security events
  • Documentation of controls for your audit team
  • Peak-event and incident readiness playbooks

What is not included

  • Compliance certification or audit sign-off (PCI DSS, etc.)
  • Acting as a QSA or providing legal/regulatory advice
  • Anti-money-laundering, KYC or transaction-fraud systems
  • Core banking, hosting or application development
  • Uptime guarantees outside a signed SLA

When you need this

  • A framework or audit (PCI DSS, DORA, NIS2, ISO 27001, SOC 2) asks for DDoS evidence
  • An assessor or banking partner requires demonstrable DDoS protection
  • You’re launching or scaling online banking or payments
  • Open-banking or partner APIs are going live
  • Your security team needs logs and documented controls

When Cloudflare is not enough

Cloudflare is a strong edge layer for resilience and security, but in regulated finance it is one part of a wider programme. It does not replace:

  • Your compliance, audit and risk functions and their sign-off
  • Transaction-fraud, AML and KYC platforms
  • Secure development, code review and patching
  • Core banking, hosting and disaster recovery
  • Full incident response and forensics capability

An honest note on compliance & security

Cloudflare strengthens resilience and blocks a large share of malicious traffic, and we document the controls we configure. It does not, on its own, make an institution compliant or guarantee availability. Compliance is determined by your assessors and regulators, and availability commitments are only offered as part of a signed SLA.

Compliance & regulatory support

Mapping Cloudflare controls to your compliance frameworks

We help you implement and evidence the Cloudflare-side controls relevant to PCI DSS, GDPR, DORA, the EU NIS2 directive and SOC 2 — translating control areas into concrete edge configuration.

WAF, managed rules & virtual patching

Managed and custom WAF rules and virtual patching help protect against known vulnerabilities and OWASP-style attacks — supporting the vulnerability-protection controls frameworks such as PCI DSS and SOC 2 look for.

DDoS protection & rate limiting

Edge mitigation and rate limiting help keep services available under attack — supporting the availability and resilience expectations behind DORA, NIS2 and SOC 2.

Zero Trust / Access & RBAC

Identity-based access with SSO and role-based permissions helps enforce access control and least privilege for staff, admins and third parties — relevant to PCI DSS, SOC 2 and GDPR.

TLS/SSL & HSTS

Modern TLS configuration and HSTS help enforce encryption in transit for customer and partner traffic — supporting PCI DSS, GDPR and SOC 2 expectations.

Logpush to SIEM & audit logs

Log export to your SIEM and Cloudflare audit logs help provide the logging, monitoring and traceability evidence frameworks such as PCI DSS, SOC 2, DORA and NIS2 ask for.

Bot management

Bot defence helps reduce fraud, abuse, credential stuffing and automated card testing — supporting the fraud and abuse-prevention controls relevant to PCI DSS and GDPR data-protection obligations.

We are an independent Cloudflare consultancy — not auditors, a certification body or a QSA. Achieving and maintaining compliance with PCI DSS, GDPR, DORA, NIS2, SOC 2 or any other framework remains your responsibility, determined by your assessors and regulators. We support the Cloudflare-configuration aspects only and make no guarantee of certification or of meeting any framework. We hold no compliance certification ourselves.

Frequently asked questions

Which compliance frameworks require DDoS protection for banks?
Frameworks and regulations that drive DDoS and availability requirements include PCI DSS, the EU Digital Operational Resilience Act (DORA), NIS2, ISO 27001 and SOC 2, alongside operational-resilience expectations from financial regulators. The exact obligations depend on where you operate and what you do; your compliance team confirms which apply, and we implement the technical controls they call for.
Does Cloudflare make our bank compliant?
No. We implement and tune the technical, edge-layer controls — DDoS protection, WAF, bot defence, Zero Trust, origin protection and logging — that support requirements such as PCI DSS, DORA and ISO 27001. Compliance itself is determined by your auditors, qualified assessors (QSAs) and regulators, not by us or by any single tool.
Can you help with the implementation, not just advice?
Yes — implementation is the core of what we do. We configure and tune the Cloudflare controls in staged, reversible steps, set up logging and evidence for your auditors, and document the configuration. We can also train your team or operate it for you under a managed-care plan.
Can you help with PCI DSS specifically?
We help with the technical, edge-layer controls relevant to PCI DSS — such as WAF coverage, protecting cardholder-data web flows, access control and logging. We do not act as a QSA, perform certification, or sign off compliance. We work alongside your assessor and security team.
Can you guarantee we will never be taken offline?
No. Cloudflare absorbs and mitigates a large share of DDoS and malicious traffic and significantly improves resilience, but no provider can guarantee that a site will never go offline. Defined availability or response targets are only offered as part of a signed SLA, and real resilience also depends on your hosting, applications and incident response.

Implement the DDoS & security controls your auditors expect

Talk to a Cloudflare specialist about DDoS, WAF, API and Zero Trust controls that support PCI DSS, DORA, NIS2, ISO 27001 and SOC 2 — implemented and evidenced for you.