Summary: Quantum computing poses a looming challenge to today’s encryption standards, especially for mobile apps that rely on asymmetric key exchange to secure user data. Threat actors can potentially capture encrypted traffic now and decrypt it later with post-quantum techniques. Appdome is ready for this future by building quantum-resistant encryption and runtime protections into its AI-native, no-code platform. In this blog, we explain how Appdome protects data at rest and data in transit from quantum threats, and why mobile brands using Appdome are already ahead of the post-quantum curve.
As quantum computing advances from theory to reality, many security teams are asking a critical question: Will the encryption we rely on today still protect sensitive data in the future?
This concern is particularly important for mobile apps. Apps store and transmit high-value information—user credentials, payment details, biometric identifiers, and session tokens—that must remain secure not just today, but long into the future. Security professionals are rightly focused on a growing threat model: the idea that threat actors could capture encrypted data now, and use quantum computers to decrypt it years later. Known as “harvest now, decrypt later,” this tactic assumes that even if quantum computers cannot break encryption today, it’s only a matter of time before they can.
Appdome has been preparing for this future. We’ve spent years building strong, quantum-aware encryption into the core of our platform, helping mobile brands stay ahead of the curve. Our protections are designed to defend both data at rest and data in transit against the threats posed by post-quantum cryptography (PQC).
For data at rest, Appdome uses AES-256-CTR, a symmetric encryption algorithm widely recognized as one of the most secure and quantum-resilient methods available today. Symmetric encryption like AES-256 is far less vulnerable to quantum attacks than traditional asymmetric encryption schemes such as RSA or elliptic-curve cryptography (ECC).
In the quantum computing model, even the best-known algorithm—Grover’s algorithm—can at most reduce the effective strength of AES-256 by half. That still leaves us with 128 bits of quantum-level security, a threshold considered secure against foreseeable quantum attacks. AES-128 alone is already seen as quantum-resistant, so using AES-256 provides an even greater margin of safety. Appdome applies AES-256-CTR encryption to everything we protect inside the app—from local files and secure preferences to obfuscated assets and internal app secrets—ensuring this data remains shielded from future decryption attempts, even if harvested and stored by attackers today.
When it comes to protecting data in transit, Appdome enforces the use of TLS 1.3, the most advanced and secure transport layer protocol available. TLS 1.3 typically relies on elliptic-curve cryptography for secure key exchange, which may eventually be vulnerable to quantum decryption. However, Appdome adds another critical layer of protection by enforcing certificate pinning inside the app. This ensures that the app only communicates with trusted servers, reducing the risk of man-in-the-middle attacks and unauthorized interception. Should the industry move away from ECC in the future, Appdome is already equipped to go further—we can introduce symmetric encryption on the network payload itself, giving our customers a quantum-resistant alternative that doesn’t rely on asymmetric key exchange at all.
Our commitment to quantum readiness doesn’t stop there. Appdome continuously monitors changes in cryptographic standards and supports trusted libraries like OpenSSL. As hybrid post-quantum algorithms—those that combine classical and quantum-safe cryptography—become standardized and broadly available, Appdome will integrate them into our platform. Our customers won’t have to rewrite code, refactor security flows, or delay app releases to get access to stronger protections. With Appdome, staying ahead of the quantum curve is automatic.
For mobile brands and developers, this means peace of mind. While competitors may still be assessing how to respond to quantum risks, Appdome has already delivered a defense strategy that ensures your mobile apps remain safe today and tomorrow. Our AI-native platform, built entirely on a no-code foundation, gives mobile teams everything they need to protect user data—at rest, in transit, and in the runtime environment—without adding complexity or engineering work.
The quantum future is coming. But with Appdome, your mobile app doesn’t have to wait for new encryption standards to stay protected. You’re ready now.
