Blocking Unauthorized Access by Detecting Rooting and Emulators – A Case Study of LIAPP, a Mobile App Security Service
Hello!
Today, we'd like to share a real-world example of how LIAPP, a security service, addressed security threats posed by mobile apps, specifically unauthorized access via rooted devices and virtual environments (emulators).
With the proliferation of various mobile services in finance, commerce, and public sectors, everything from checking accounts, transferring money, making payments, and authenticating accounts can now be done with just a smartphone. However, behind this convenience lies a security vulnerability that hackers exploit.
Case Situation: Attacks Exploiting Rooting and Emulator Environments
One recent security threat involves attempts to access accounts illegally, collect automated information, and insert malware through apps running on rooted Android devices or PC-based emulators.
These attacks were characterized by:
- Breaking down the app's security perimeter on rooted devices
- Repeated account takeover attempts using automated scripts in emulators
- Bypassing security policies and manipulating authentication or payment processes
- Automating information leaks by running the app in parallel with malicious apps
This resulted in the exposure of user account information, authentication tokens, and session information, potentially leading to unknowing remittance and payment fraud. This was a very dangerous situation.
Response: Rooting and Emulator Detection and Blocking with LIAPP
To address this issue, we introduced LIAPP, a specialized mobile app security service.
LIAPP provides real-time environment detection and behavior-based analysis capabilities that can respond to various threat scenarios, ensuring the security of the app execution environment.
Summary of Applied Features
1. Rooting Detection and Blocking
- Detects system domain changes, su command usage, and root-privileged apps.
- Immediately halts app execution and issues a warning upon detection of rooting.
- Precisely detects rooting bypass techniques (masking, root cloaking, etc.)
2. Emulator Detection and Blocking
- Virtual environment detection based on device profiling
- Blocks execution of major emulators such as BlueStacks, Nox, and Genymotion
- Prevents PC-based automation tools and repetitive bot attacks
3. Unauthorized Access Behavior Analysis
- Detects abnormalities such as unauthorized networks and debugging connections
- Integrates server logs and blocks abnormal user behavior
- Configures administrator notifications when security events occur
4. Prevents app forgery and tampering and protects the execution environment
- Repackaging and malware Disabling embedded apps
- Automatically terminates apps if anomalies are detected after an integrity check
- Improving app security without user interaction
Implementation Results
Since implementing LIAPP, the app's security has been significantly improved:
- 100% blocking app execution in rooted and emulator environments
- Real-time analysis of unauthorized access attempt logs strengthens the proactive response system
- Maintaining zero account hijacking and authentication bypass attempts
- Many users have expressed trust in the app
- Highly evaluated in internal audits and external security reviews
Most importantly, the app has been able to thoroughly respond only to attackers without inconvenience to legitimate users.
In conclusion
Rooting detection and emulator blocking are not mere options; they are fundamental and essential elements of mobile service security.
Especially in financial, commerce, and authentication-based apps, a single security incident can threaten trust, users, and even revenue. Therefore, a proactive security response system that keeps apps safe is crucial even at this very moment.
LIAPP provides comprehensive security features, from the execution environment to internal logic and server integration. If you want to protect the core assets of your mobile app, join LIAPP.
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