GreenFi · Cloudflare

WAF was the door.
Here's the actual room.

The earlier conversation was about a single product. For a regulated neobank with greenfi.com, api.greenfi.com, and login.greenfi.com as live attack surfaces — a WAF is the entry point to the conversation, not the conversation itself.

The actual security posture every fintech eventually arrives at is one layer in front of every surface, doing five things at once: filtering bad requests, distinguishing humans from bots, validating API schemas, monitoring third-party scripts, and stopping credential stuffing before it reaches Okta.

www.greenfi.com
Marketing + onboarding surface · WAF + Bot Management + Page Shield for the script-execution attack surface
api.greenfi.com
The real money-moving endpoints · API Shield + Schema Validation + per-route Rate Limiting
login.greenfi.com
Okta-fronted auth · Bot Management + Turnstile for ATO defense before requests hit the IdP
my.greenfi.com
Customer dashboard · Cloudflare One + Access for staff side; WAF + DDoS L7 for customer side
Why this matters now Credential stuffing and account takeover are now the dominant fraud vector for neobanks. Verizon's DBIR and Mastercard fraud reports both flag fintech ATO as accelerating in 2026. A WAF alone catches signatures; what catches ATO is identity-aware bot management in front of the IdP. That's the upgrade from the original conversation.

Three things worth knowing about the bundled approach:

One contract, one console, one log. WAF + Bot + API Shield + Page Shield + Rate Limiting are line items on a single Cloudflare bundle. Procurement is simpler than stitching together three vendors.
Already-in-the-stack. The DNS-level addition is non-invasive — no origin changes, no app rewrites. Orange-cloud the existing AWS infrastructure.
Climate-credible by accident. Cloudflare's network is publicly reported as the most energy-efficient web infrastructure on a per-request basis. That's not the lead, but it's a footnote that aligns with the GreenFi brand.

One question to restart the conversation:

Is the original WAF need still active, or has the priority shifted to ATO defense, API security, or something further upstream? 20 minutes to scope what the bundle would actually cost and what it would replace.

Deeper Dive

The full architecture, ready when you are

The detailed surface-by-surface mapping — the four GreenFi attack surfaces (www, api, login, my), the ATO defense story in front of Okta, the bundle economics vs. multi-vendor stitching, and the 90-day proof plan — runs about 17 KB of dense technical content.

Read the expanded version →
Grab 20 minutes →
Matt Holscher Cloudflare · Developer Platform