Sentinel Den
Zero-back end, on-device iOS security SDKs
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What is Sentinel Den?
Sentinel Den is an iOS security SDK and audit platform providing drop-in security tooling for production teams that can't afford to fail. The company offers vendor-grade iOS security SDKs, binary-audit tooling, and proactive threat-modeling consulting for high-stakes native apps. Their core mission is bridging the gap between high-level app development and specialized security requirements.
The platform ships twelve iOS SDKs plus SentinelDen Studio, including RuntimeGuard SDK (a hardened, drop-in library for runtime defense), PayloadGuard SDK, EnclaveVault, AgenticGuard, BehaviorGuard, InputGuard, and more. These SDKs provide runtime defense, binary protection, secure vault capabilities, AI agent security, behavior monitoring, and input validation for iOS applications.
Sentinel Den is designed for iOS development teams building production-grade apps in high-stakes environments such as fintech, healthcare, enterprise software, and gaming. The tooling is ideal for teams that need enterprise-level security without building custom security infrastructure from scratch.
Key features include runtime tampering detection, hook prevention, binary integrity checks, secure credential storage, AI agent threat modeling, behavioral anomaly detection, and input sanitization. The SDKs are designed for low overhead and seamless integration into existing iOS development workflows.
The company also provides independent iOS security research and consulting services, offering proactive threat-modeling for teams building apps where security failures could have catastrophic consequences.
Sentinel Den pricing
Pricing model: Freemium
$399/year per Bundle ID. The SentinelDen Suite offers a 31-32% multi-product discount for purchasing multiple products together. Contact [email protected] for licensing scope requests and pre-sales questions. No free tier is publicly listed; all access requires paid licensing.
Sentinel Den pros
- Drop-in iOS security SDKs requiring minimal setup
- Twelve specialized SDKs covering all security layers
- RuntimeGuard provides hardened runtime defense
- PayloadGuard protects app binary integrity
- EnclaveVault offers secure credential storage
- AgenticGuard secures AI agents in iOS apps
- BehaviorGuard detects anomalous user behavior
- InputGuard sanitizes and validates all inputs
- Low overhead with <0.01ms per check performance
- Vendor-grade security suitable for enterprise
- Binary-audit tooling for production verification
- Proactive threat-modeling consulting included
- Independent iOS security research expertise
- Seamless integration with existing iOS workflows
- Designed specifically for high-stakes native apps
- Suitable for fintech, healthcare, and enterprise
- No custom security infrastructure building needed
Sentinel Den cons
- iOS-only platform, no Android support
- Paid pricing at $399/year per Bundle ID
- May be expensive for small teams or startups
- Requires Bundle ID for licensing
- 12 SDKs may be overwhelming for simple apps
- No public free tier mentioned
- Consulting engagements require separate proposals
- Email support only with no chat option
- Limited documentation visibility publicly
Frequently asked questions about Sentinel Den
What is RuntimeGuard SDK and what does it do?
RuntimeGuard SDK is a hardened, drop-in library focused on runtime defense for iOS applications. It provides tampering detection, hook prevention, and real-time anomaly detection to protect apps from runtime attacks and modifications.
What is PayloadGuard SDK used for?
PayloadGuard SDK protects the integrity of your app's binary payload. It performs binary integrity checks to ensure the app has not been tampered with, repackaged, or modified before execution.
What does EnclaveVault provide?
EnclaveVault offers secure credential storage for iOS applications. It provides a protected vault for storing sensitive data like API keys, tokens, and user credentials with encryption and access controls.
What is AgenticGuard and when should I use it?
AgenticGuard secures AI agents integrated into iOS applications. It provides threat modeling and protection for AI-powered features, preventing malicious manipulation of agent behavior and data.
How does BehaviorGuard work?
BehaviorGuard detects anomalous user behavior in iOS applications. It monitors user actions and patterns to identify potential security threats, account takeover attempts, or fraudulent activity.
What is InputGuard's purpose?
InputGuard sanitizes and validates all inputs in iOS applications. It prevents injection attacks, SQL injection, and other input-based security vulnerabilities by filtering and validating user-supplied data.
How do I purchase Sentinel Den SDKs?
Sentinel Den SDKs are purchased at $399/year per Bundle ID. Contact [email protected] for licensing scope requests. The SentinelDen Suite offers a 31-32% discount when purchasing multiple products together.
Is there a free tier or trial available?
No public free tier is listed on the website. All access requires paid licensing at $399/year per Bundle ID. Pre-sales questions can be directed to [email protected] to discuss options.
What types of apps are Sentinel Den SDKs best for?
Sentinel Den SDKs are designed for high-stakes native iOS apps where security failures could have catastrophic consequences. This includes fintech apps, healthcare applications, enterprise software, gaming apps with valuable assets, and any app handling sensitive user data.
Does Sentinel Den offer consulting services?
Yes, Sentinel Den provides proactive threat-modeling consulting for production teams. You can propose a consulting engagement by contacting [email protected]. Replies are typically within one business day.