Automated signups
Scripts and headless browsers create accounts faster than manual review can catch them.
Security assessment for SaaS + AI products
Stop account abuse. Protect your product and your margins.
Find out how repeat users, automated accounts and coordinated signups exploit your free trials, credits and promotions—before they quietly become part of your cost of growth.
No tools to sell.
Independent analysis, evidence-backed findings and a prioritized path to reduce abuse without punishing legitimate users.
100k
Your growth metrics can lie
100,000 users looks great—until they aren’t 100,000 people.
When one actor can create account after account, your acquisition data, infrastructure planning and unit economics become contaminated. You may be funding abuse while measuring it as growth.
Inside the deliverable
Evidence that makes the abuse path visible.
Sample artifacts show how the assessment moves from observed behavior to connected evidence and a report your team can act on.
The hidden attack surface
Your signup flow is a business system. Attackers treat it like one.
Def Code examines the complete path from account creation to benefit consumption and repeat signup—not only the individual controls in isolation.
Repeat-user exploitation
One person appears as many new customers to repeatedly claim the same incentive.
Resource drain
Abusive accounts consume GPU, voice, messaging and third-party services you pay for.
Distorted growth data
Fake uniqueness corrupts conversion, retention and customer-acquisition decisions.
The person doing the work
Princeton Ebanks
Founder & Principal Security Engineer
I worked on risk detection and user protection at Okta/Auth0, including responding to signup-abuse incidents and developing signals used to identify abusive actors. Def Code brings that experience to SaaS and AI companies whose growth models depend on knowing whether accounts represent real, distinct users.
You work directly with me—from discovery through technical investigation and the final remediation plan.
Okta / Auth0Risk detectionIdentity systemsAbuse-path analysis
How it works
A focused assessment, not an open-ended engagement.
MODEL
Map the economics
We identify what an abusive actor can extract, the path required to reach it, and the defenses already protecting that path.
ATTACK
Run controlled abuse experiments
We simulate repeat and automated actors against the product to determine which abuse paths survive the existing controls.
ANALYZE
Reconstruct the actors
We correlate available network, identity and behavioral signals to identify related accounts and coordinated populations that individual controls can miss.
INTERVENE
Test the defenses
We change defensive conditions and replay the experiment to determine which controls actually break the abuse path.
MEASURE
Quantify the tradeoff
We compare attack success, economic exposure and impact on legitimate users to identify the most effective intervention.
What you receive
Deliverables built around signup abuse.
Not a generic vulnerability report. Every artifact helps your product, security and engineering teams understand the same abuse problem.
01
Abuse-path map
How an actor moves from signup to verification, incentive consumption and repeat signup.
02
Account-relationship findings
Evidence that supposedly independent accounts may be controlled by the same actor.
03
Control-gap analysis
Where CAPTCHA, email verification, rate limits, IP controls and current safeguards fail.
04
Cost and impact estimate
A business-readable view of what successful abuse costs—or could cost—the company.
05
Prioritized countermeasures
What to fix first, balancing abuse reduction with friction for legitimate customers.
06
Executive and technical readout
A clear walkthrough for decision-makers, plus enough depth for the team implementing changes.
Simple engagement
Know where you’re exposed—and what to do next.
The assessment is scoped around one product and its signup incentive. You get a clear price, a defined timeline and direct access to the person conducting the work.
USD
$7,500
- Flat fee
- 7–10 business days
- No retainer
- Direct founder involvement
Start with a short conversation
Do your new accounts represent new users?
In 15 minutes, we’ll determine whether a signup-abuse assessment fits your product, incentive model and current stage.
Book your assessment call