Map the real risk.
Identify where a hostile client can change a sensitive action and what your server needs to know.
ByteBack Device Trust
Trust the evidence.
Not the client.
Mobile integrity and attestation, integrated into your product. Connect app-side evidence to backend verification and the security decisions you already make.
For security, fraud, and engineering teams protecting onboarding, account recovery, and high-value mobile actions.
SDK integration · Backend verification · Custom controls · Adversarial testing
15 yearsMobile security, payment hardware, firmware, and hands-on adversarial testing.
Start with your product
Tell me what you’re building.
A new integration, a gap in your defenses, or an existing system to validate? Let’s scope the right starting point.
Prefer a private chat? Talk on Signal
How Device Trust fits
Your product.
Your trust decision.
The integration connects three parts. Your backend retains control of policy; device evidence informs the decision rather than replacing it.
- 01 / YOUR APP
Collect evidence.
Integrate app-side checks and attestation around the actions that matter.
- 02 / VERIFICATION
Validate what arrived.
Verify evidence on the backend and distinguish adverse findings from unavailable measurements.
- 03 / YOUR BACKEND
Make the decision.
Use that evidence alongside your existing fraud signals, account history, and business policy.
Working components, not just recommendations
From threat model
to integration.
Start with a focused review or scope an implementation pilot. Delivery can include SDK integration, verification services, custom controls, and a validation handoff.
Connect the components.
App-side collection and backend verification, adapted to your product’s flows and deployment constraints.
Test the attack paths.
Agreed adversarial scenarios—not just a clean-device demo. Record failures, limits, and what remains unproven.
Make it operable.
Integration guidance, failure behavior, rollout criteria, and a plan for retesting as attacks change.
How the work comes together
From a threat model
to working defenses.
In a mobile integrity engagement, the work began by mapping what the server could safely trust. It continued through building device-side checks, server-side verification, adversarial test tooling, and an integration handoff.
The important part wasn’t collecting more signals. It was defining what each signal could prove—and making sure “not measured” didn’t quietly become “safe.”
An engineering deliverable is not proof of fraud reduction. Production outcomes need to be measured after integration.
The person doing the work
Senior judgment.
Hands-on execution.
ByteBack is run by Manizzle. Fifteen years of work spans mobile threat signals and payment hardware at Square, mobile red-team work at Visa, and low-level security work at Root Labs and SourceDNA, later acquired by Apple.
The person scoping your engagement also does the engineering. Implementation and retesting can follow a review under a separately agreed scope.
More about ByteBackBefore we talk.
Is this only an assessment?
No. An engagement can include working app-side components, backend verification, integration engineering, and adversarial testing. A review is one starting point, not the entire offering.
Can we download an SDK or start a pilot?
There is no self-service download. Tell us about your product and we can discuss a scoped integration pilot. Supported platforms, delivery, licensing terms, and validation criteria are agreed in the proposal.
Do we need to replace our existing integrity provider?
No. A review starts with your existing system and the decisions it needs to make. We look for gaps and define where additional controls or better validation would help.
Can you guarantee that a device is safe?
No. A compromised device can limit what software can observe. The work makes those limits explicit and designs the server’s response to clean, adverse, and unavailable evidence.
What happens after I submit?
ByteBack reviews the inquiry and replies to the email you provide. If the project is a fit, we discuss scope and a written proposal. There is no obligation to book an engagement.
Start with the action you need to trust.
Discuss integration