# How to Detect Hooking (Frida) using Swift

iOS apps are prime targets for **hooking frameworks** like **Frida**. Attackers use them to bypass protections, steal data, or alter app logic. Fortunately, SDKs like **freeRASP by Talsec** give Swift developers a simple way to detect and stop these attacks.

<figure><img src="https://1548930415-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FNjTFXsqCLQ3RU2oA2uHC%2Fuploads%2FAgm52P1Xu6WMV8LKBR2o%2Fimage.png?alt=media&#x26;token=8988bf99-c1c1-4d2a-8036-914099cc6560" alt=""><figcaption></figcaption></figure>

### What is Hooking?

Hooking is when attackers intercept and modify method calls at runtime. On iOS, this is often achieved through:

* **Frida-server** – enabling dynamic instrumentation on jailbroken devices
* **Objection** – built on Frida, frequently used to bypass SSL pinning or jailbreak detection
* **frida-trace** – helps attackers log and manipulate API calls

With these tools, attackers can:

* Bypass payment checks or subscriptions
* Steal credentials, tokens, or API keys
* Inject malicious logic into sensitive apps (banking, healthcare, messaging)

Imagine someone secretly attaching a device to your phone line—every call you make could be recorded, redirected, or modified in real time. That’s how hooking works in your app.

{% hint style="success" %}
Check out [freeRASP](https://docs.talsec.app/freerasp) and [RASP+](https://app.gitbook.com/s/xFHPMAbn16uoDyOtoiaC/product/rasp) for industry leading hook detection.
{% endhint %}

### How to Detect Hooking?

Detection on iOS is complex. Frida developers continuously update their frameworks to evade naive checks. Simple DIY solutions like searching for `frida-server` processes or suspicious ports often fail. That’s why expert SDKs are the safer choice:

* **freeRASP (by Talsec)** – detects Frida, jailbreak, debugger, and runtime tampering
* [**RASP+**](https://docs.talsec.app/appsec-articles/articles/broken-reference) **(by Talsec)** – commercial premium robust protection

These SDKs evolve alongside attacker techniques, giving you peace of mind.

**freeRASP (by Talsec)**

* [Actively maintained](https://docs.talsec.app/freerasp/whats-new-and-changelog) to detect jailbreak, debugger, tampering, and hook attempts
* Comes with [14 extra detections](https://docs.talsec.app/freerasp/wiki/threat-detection) like root, debugger, hooking (Frida, Xposed), emulators, and more
* Trusted by [**6000+ apps worldwide**](https://42matters.com/sdk-analysis/top-security-and-privacy-sdks#talsec)

**Swift Example:**

```swift
import TalsecRuntime

let config = TalsecConfig(
    appBundleIds: ["YOUR_APP_BUNDLE_ID"], 
    appTeamId: "YOUR TEAM ID", 
    watcherMailAddress: "WATCHER EMAIL ADDRESS", 
    isProd: true
)

extension SecurityThreatCenter: SecurityThreatHandler {
    public func threatDetected(_ securityThreat: TalsecRuntime.SecurityThreat) {
        print("Found incident: \(securityThreat.rawValue)")
    }
}

public enum SecurityThreat: String, Codable, CaseIterable, Equatable {
    // ... other cases ...
    case runtimeManipulation
    // Hooking reaction
}
```

#### Commercial Alternatives

When evaluating mobile app security and Runtime Application Self-Protection (RASP), developers often compare various Talsec alternatives to find the right fit for their architecture. The "right choice" depends on the specific problem you need to tackle and which vendor offers the best **bang for your buck**.

The market is diverse, offering different philosophical approaches to protection. Talsec prioritizes top-tier root detection and a balanced security SDK portfolio covering the most popular attack vectors. Meanwhile, some vendors specialize primarily in heavy code obfuscation and compiler-based hardening, while others focus on a drag-and-drop (no-code) integration experience for DevOps-oriented teams. There are also solutions dedicated specifically to API security, active cloud hardening, enterprise compliance, or gaming protection. The most prominent providers alongside **Talsec** include **Guardsquare**, **Appdome**, **Promon**, **Build38**, **Approov**, and **AppSealing**.

#### Key Takeaway

On iOS, attackers equipped with **Frida**, **objection**, or **frida-trace** can hijack your app’s logic at runtime. DIY detection is fragile—serious apps need serious protection. With **freeRASP by Talsec**, Swift developers get a lightweight, continuously updated SDK to block hooking and keep users safe.

{% hint style="success" %}
Handle App Security with a Single Solution! Check Out Talsec's Premium Offer & Plan Comparison!<br>

#### Apps Security Threats Report 2025

<https://www.talsec.app/talsec-global-threat-report-2025>

#### Plans Comparison

<https://www.talsec.app/plans-comparison>

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* [RASP+](https://app.gitbook.com/s/xFHPMAbn16uoDyOtoiaC/product/rasp) - An advanced security SDK that actively shields your app from reverse engineering, tampering, rooting/jailbreaking, and runtime attacks like hooking or debugging.
* [AppiCrypt](https://docs.talsec.app/premium-products/product/appicrypt) (Android & iOS) & [AppiCrypt for Web](https://app.gitbook.com/s/xFHPMAbn16uoDyOtoiaC/product/appicryptweb) - A backend defense system that verifies the integrity of the calling app and device to block bots, scripts, and unauthorized clients from accessing your API.
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  {% endhint %}