The Threat
Sophisticated emulators and automated botnets are bypassing standard platform attestation.
The Impact
Account takeovers, API abuse, and the erosion of trust in mobile environments.
Legacy Failure
Software-based checks like App Attest are increasingly vulnerable to sophisticated spoofing.
The Solution
Deterministic, hardware-rooted verification that operates independently of platform APIs.
Tools like Apple's App Attest and Google's Play Integrity are software-based. Sophisticated attackers can now emulate these environments or use automated botnets to bypass them, making them insufficient for high-stakes security.
TrustSig moves beyond software-based checks by challenging the client's physical hardware and rendering environment. We provide a deterministic layer that proves the client is a genuine consumer device, not an emulator.
We view TrustSig as a necessary, independent layer of defense. While platform tools provide a baseline, our hardware-rooted verification ensures that your app's integrity is verified by physical silicon signals, not just software APIs.
The Limits of Platform-Provided Security
In our opinion, the mobile security landscape is shifting. For years, developers have relied on platform-native tools like Apple's App Attest and Google's Play Integrity to verify that their apps are running on genuine, untampered devices. While these tools were once sufficient, we think they are increasingly becoming a liability.
As mobile devices evolve into "agentic" platforms capable of autonomous workflows, the attack surface has expanded. Sophisticated botnets and emulators have become adept at mimicking the signals these APIs look for. When your security relies entirely on the platform's own software-based checks, you are essentially trusting the same environment that the attacker is trying to compromise.
Why Legacy Defenses Struggle
If you rely solely on standard attestation, you might be leaving your APIs exposed to:
- Emulator Spoofing: Modern emulators can now simulate the hardware-backed keys that platform attestation services rely on.
- Automated Botnets: Attackers use high-frequency scripts that can bypass traditional rate limiting and visual CAPTCHAs, which we believe are no longer effective against AI-driven threats.
- The "Human Tax": When bots scrape your data or exploit price lags, it is the human user who pays the price through degraded performance and unfair market conditions.
Moving Toward Deterministic Verification
We believe the future of mobile security lies in multi-layered, hardware-rooted verification. Instead of asking a platform API if a device is "safe," we think you should be able to prove it yourself.
At TrustSig, we take a different approach. We eradicate the need for CAPTCHAs by challenging the client's environment—specifically its hardware and rendering capabilities. By analyzing signals like WebGL fingerprints, CPU thread concurrency, and audio context evaluation, we can mathematically prove whether a request is coming from a genuine consumer device or a headless emulator running on a rack server.
Why This Matters for Your App
- Deterministic Results: We don't rely on probabilistic software scores. We look for physical silicon signals that are nearly impossible to fake at scale.
- Zero-Latency Protection: Our verification happens out-of-band, ensuring that your real users never experience friction or visual puzzles.
- Platform Independence: By operating independently of platform-specific APIs, we provide a consistent security posture across both iOS and Android, regardless of OS updates or changes to platform-native attestation logic.
Securing the Future
The era of relying on a single point of failure for mobile security is ending. To protect your users and your infrastructure, you need a defense that is as dynamic as the threats you face. We think it is time to move beyond the basics and implement a positive security model that verifies the physical reality of the requesting client.
References
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