Screen webhook traffic for malicious IPs automatically

Every incoming webhook request is checked against a threat database, so malicious traffic gets blocked or flagged.

How the work actually flows

It branches. Exactly one path is taken.

Pattern: Transient Trigger (23) · Exclusive Choice (4)

flowchart TD trig>"webhook request arrives"]:::trig s0["receive webhook request"]:::task s1["check IP threat database"]:::svc trig --> s0 s0 --> s1 gx{"× is IP malicious"}:::gate s1 --> gx p00["allow request through"]:::task gx -->|"trusted or unknown IP"| p00 p10["block or flag request"]:::task gx -->|"flagged malicious IP"| p10 p00 --> out p10 --> out out[/"malicious traffic blocked automatically"/]:::out pay{{"protected webhook without manual review"}}:::pay out --> pay classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff
Starts itA stepAn outside serviceOne path onlyResultPayoff
Build size
Standard

A mid-size build with several tools working together.

Business functions
API & Webhook IntegrationDevOps & IT Operations
Connects
CrowdSec

The problem it solves

Webhooks that accept outside requests are an open door for attackers, and bad actors often reuse the same infrastructure across multiple targets. Manually reviewing every incoming request for threats isn't realistic. You need a way to automatically filter out known bad traffic before it can do damage.

Who it fits

IT and security teams who expose webhooks or APIs to outside traffic and need automated threat screening.

How it works

  1. A request arrives at your webhook
  2. The system checks the sender's IP address against a threat intelligence database
  3. Trusted or unknown IPs are allowed to continue
  4. Flagged or malicious IPs are blocked or tagged for review
What you get

Malicious traffic blocked before it reaches you

You get every incoming webhook request checked against threat intelligence and blocked automatically when it's malicious.

What you get

A filtered stream of webhook traffic with malicious requests blocked or flagged.

What you need

A CrowdSec account and API key.

We can build this. But should you?

The hard question is not how to build it. It is whether this is the right thing to build first.

That is what a Fractional Chief AI Officer figures out with you, before anyone writes a line of code.

Let's Talk Strategy

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