Mobile App Security Study & related Question’s & Answer’s

Abhishek Srivastava
11 min readMay 5, 2024

Mobile app security stands for the practice of safeguarding and protecting users’ digital identity, sensitive information, and high-end mobile applications from all kinds of fraudulent attacks in all forms. Any form of interference or manipulation such as keylogging, Phishing, reverse engineering, tampering, or malware attacks is considered within the parameters of fraudulent attacks.

Mobile application security guards against dangers, including viruses, Trojan horses, and spyware, as well as other harmful software. In addition, it comprises steps implemented to avoid unwanted access to the information kept in apps as well as those made to prevent the application from being exploited as a launchpad for assaults on the system or network.

In order to accomplish this, security controls must be used for user input validation, data encryption, and authentication, as well as authorization and contact between both the app and its server.

What are the common types of mobile attacks?

Some of the common types of mobile attacks are as follows:

  • Malware
  • Phishing
  • Social Engineering
  • Unpatched Software
  • Reverse Engineering
  • Unsecure Wi-Fi Connections
  • Unauthorized App Downloads

Why is Mobile App Security Important in App Development?

Mobile apps are the cynosure of all our attention in recent times. Every day millions of sensitive information such as financial details, geographical location, documents, personal details, etc., are shared over multiple applications. A single breach can bring the organization and its users to its knees.

What is reverse engineering and why is it a concern in mobile app security?

Reverse engineering refers to the method of disassembling software or a system and looking at its parts to see how it functions. Because it gives bad players a deeper knowledge of the source code and infrastructure of the mobile app, which can be exploited to find flaws and manipulate them, it raises concerns about mobile app security.

In addition, reverse engineering can be used to defeat security measures, implant malicious code, and retrieve sensitive data.

What are the Mobile App Security Issues?

To showcase how pitiful and ominous the situation is, we can reflect on current data. 35% of the mobile app development companies have never tested their mobile applications, and 40% have not catered to the client’s expectation standards in terms of security. The multiple fronts where all the fraudulent attacks on the mobile app take place are: Stealing login credentials Unauthorized account takeover Exposure of confidential credit card information Unsolicited access to business networks Identity theft Phishing of confidential information Denial of Service.

How does Mobile App Security Work?

Mobile app security works on multiple fronts. It is a significant workload and a cumbersome process that the developers follow very carefully. The steps they take to ensure safety are:

Database Securing — Data storage is an essential element where all data must reside safely and securely to restrict any unlawful and unauthorized access. The data needs to be entirely encrypted and with proper backup.

Secure Source Code — Source code is the backbone of any application. It needs to be guarded with a high level of security so it can’t be accessed or deciphered by any unauthorized source.

Secure Data Transmissions — Countless amount of data gets transferred through apps every day. It is easiest for attackers to bypass the security protocols and attack confidential data when it is in transit. Data channels must be secure with SSL, TSL, HTTPS, VPN tunnels, and strong cryptography for enhanced and secure data portability and input validation tests.

Vulnerability Assessment — In this step, we try to find all the loopholes in the system which can be potential attack points for hackers. The automated VA process provides a comprehensive check on the system. It starts with uploading the binary ( for iOS/ Android), static scan, dynamic scan, thorough API security testing, and a complete and comprehensive report of the VA assessment. It covers the entire paradigm of careful and rigorous testing and all the exposed vulnerabilities that need a remediation call.

Penetration Testing — is known as one of the most effective processes for finding any loopholes in the security system. Penetration testing can be broken down into three parts —

  1. Analysis of threat landscape and performing exploits for advanced threat detection.

2. A detailed Assessment report covering regulatory and compliance issues, vulnerabilities, and business impact.

3. Implementation of corrective measures for a successful remediation.

What is jailbreaking/rooting and why is it a concern in mobile app security?

Users are able to access components of their mobile operating systems that are often heavily guarded by the developer by jailbreaking and rooting their devices. Users now have the option to personalize their gadgets and add third-party apps that aren’t offered through official app shops.

What is a mobile device management (MDM) solution and why is it important for mobile app security?

A form of software package called mobile device management (MDM) gives users transparency, safety, and authority over their mobile devices and the software that runs on them. In addition, it is crucial for mobile app security since it makes sure that only approved users can access the app and that it is being used on a safe device.

Furthermore, MDM also aids with the swift detection and quick reaction to threats, as well as the enforcement of mobile device policies like password restrictions and device encryption.

What is mobile threat defense (MTD) and why is it important for mobile app security?

A prominent security tool called Mobile Threat Defense (MTD) assists in defending against hazardous mobile threats, including risky websites, malicious apps, and some other malicious mobile behaviors. Because it assists in shielding consumers from criminal behavior and data leaks that might happen through mobile apps, it is crucial for mobile app security.

Moreover, MTD has the ability to identify malicious behavior, warn users about it, and prevent access to websites, apps, and other harmful content. Subsequently, MTD can offer extra security mechanisms like app strengthening, which assists in improving the security of apps.

What is the OWASP Mobile Top 10 and why is it important for mobile app security?

The top ten most significant threats to mobile applications are listed in the OWASP Mobile Top 10. It is intended to assist designers and security professionals in prioritizing their cyber defenses and helping them understand the potential security issues connected to mobile applications.

Because it gives a thorough overview of the most prevalent and critical security concerns, it is crucial for mobile app security and aids businesses in shielding the user base from potential dangers. A variety of security vulnerabilities are covered by the OWASP Mobile Top 10, such as unsafe data storage, inadequate server-side controls, unsafe authentication and authorization, and unsafe communication.

What is data encryption and why is it important for mobile app security?

Encoding information precisely so that it may only be viewed by authorized personnel is known as data encryption. In addition, the protection of data from unwanted access or alteration is crucial for mobile app security.

Moreover, this protects sensitive material from criminals, such as credentials, debit and credit card details, and other private info. Further, it aids in preventing data breaches, which can have major repercussions for both individual users and companies.

How Do I Know if an App Is Safe?

There is no assured step by definitive step guide, but a couple of steps can be taken as preventive measures:

  1. Always check for the review of the application

2. Always download from a reliable source or App store

3. Check how many downloads have taken place

4. What level of permission does it want?

5. Careful observation of the installation process and restriction of any unwanted steps.

What is secure communication and why is it important for mobile app security?

Employing encrypted data and safe mechanisms to secure information sent over networks is known as secure communication. In addition, it is crucial for mobile app security since it helps prevent malicious attackers from stealing or intercepting sensitive data.

Further, it aids in ensuring that information is only shared with those with whom it is meant and that it is not altered or distorted in any manner. In order to safeguard users’ security and privacy, secure communication is an essential part of mobile app security.

What is secure data storage and why is it important for mobile app security?

The technique of keeping electronic information in an encrypted area that is guarded against unwanted access is known as secure data storage. It is crucial for mobile app security as it guarantees that critical data is protected from bad actors. Passwords, client information, financial information, and other private information that might be misused are included in this category.

Moreover, users can be shielded from data breaches, identity theft, and other dangerous actions with the use of secure data storage.

How To Do Security Testing for Mobile Apps? Security testing can be done in two ways — Vulnerability assessment and Penetration testing.

VA testing is where we get to see whether any potential loophole or exposure exists in the system or not. It is done in multiple steps — static scan, dynamic scan, API scan, and code scanning against numerous use cases.

The technique of examining mobile applications to look for potential security flaws and vulnerabilities is known as mobile application vulnerability scanning. This kind of analysis enables businesses to find security holes in the architecture of their mobile applications and fix them before malevolent actors take advantage of them. Such scanning might be carried out either manually or automatically using tools.

Because it enables businesses to identify potential security flaws and take preventative action to safeguard their mobile applications, it is crucial for mobile app security.

Penetration testing, or PT, is checked whether any existing architecture weakness is prevalent or not and what level of threat it can potentially be.

The practice of vulnerability detection in mobile applications is called mobile application penetration testing (sometimes referred to as mobile app pentesting). This kind of analysis is crucial since it enables developers to find security flaws and hazards in their apps before they are made public, giving them the opportunity to take corrective action before that happens.

Since this assists in guarding users against malevolent attackers who might steal data, interfere with services or carry out other attacks on the application, mobile application security is crucial. Penetration testing for mobile apps is an essential component of mobile app security that helps customers feel confident using and downloading the applications they choose.

Penetration testing can be segregated into three metric groups:

  1. Basic metric Group

2. Temporal Metric Group

3. Environmental Metric Group

Through security testing, we try to gauge the following measures:

Business Impact: To understand the sheer impact of vulnerabilities that can impact the daily business operation and bottom line.

Vulnerability Severity: Have a detailed assessment and analysis of the potential dangers emanating from the vulnerabilities.

Regulatory & Compliance: To understand the underlying legal and regulatory issues that can emerge because of the vulnerabilities and adversely impact the business and the subsequent industry.

Coverage of Test Cases: Detailed view of test cases the vulnerabilities have been tested against and what has been the underlying impact.

Vulnerability Location: To pinpoint the existing vulnerabilities’ location without spending unnecessary time scouring the entire source code.

How Do I Secure My Mobile App?

It is paramount to have users’ trust and faith in the app’s security as a developer. The various ways an app can be secure are:

  1. The code needs to be written securely.
  2. All data about the app must be encrypted.
  3. Preventive measures need to be taken for libraries.
  4. Using authorized and verified APIs only
  5. High-level authentication with tamper-detection technology
  6. Using up-to-date cryptography tools and techniques
  7. Using comprehensive and detailed vulnerability analysis to find out the loopholes
  8. Complete coverage of Penetration testing to analyze the threat landscape and advance threat detection.
  9. Having an up-to-date and exhaustive list of vulnerabilities vetted against multiple test cases and understanding of its impact on business
  10. Taking all the necessary preventive and corrective measures for a successful remediation.

What is a Mobile App Security Assessment?

A Mobile App security assessment is a comprehensive series of tests performed on an application to check the app’s potential loopholes (if any). A team of security experts conducts the test or can even be completely automated. A detailed assessment report comprises business impact, severity level, code location, and regulatory and compliance-related checks.

What Are the Best Mobile App Security Solutions?

There are multiple Mobile App security best practices & tools in the market. We need to assess it carefully before going with one:

  1. ImmuniWeb® MobileSuite

2. Micro Focus

3. Appknox

4. Drozer

5. WhiteHat Security

ImmuniWeb® MobileSuite: provides comprehensive back-end testing and PCI, GDPR, and DSS compliance. It also offers one-click patching via WAF. Micro Focus: One of the biggest companies in the security and test management space, they provide end-to-end mobile app security testing across multiple platforms, devices, servers, and networks.

Appknox: Rated as a high performer and the best ROI tool in mobile app security testing, Appknox has made its mark in the ecosystem. With comprehensive and automated static and dynamic mobile app security testing and a detailed vulnerability assessment, our security solutions are favored by startups, Fortune 500 companies, and enterprise businesses.

Drozer: Drozer is an open-source tool that supports both emulators and actual android devices for mobile application security purposes. It executes the java-enabled code on the device itself.

WhiteHat Security: WhiteHat provides a cloud-based security platform that provides a brief and concise description of security vulnerabilities and provides a relevant solution.

What is secure authentication and why is it important for mobile app security?

Secure authentication is a technique for confirming a system’s or person’s identification during the mobile app security process. As it assists in avoiding unwanted access to the program and its information, it is crucial for mobile app security.

Moreover, it assists in ensuring that only users with permission can use the application. Biometric authentication, two-factor authentication, and multi-factor authentication are only a few methods for secure authentication. The user is ensured by the use of various authentication methods that the data they are viewing is safe and that they are the only individuals with access to it.

What is code signing and why is it important for mobile app security?

The act of digitally signing software code to verify its authenticity and origin is known as code signing. Secondly, It t acts as an assurance that no outside entity has amended or interfered with the code.

In addition, this is crucial for mobile apps because it shields them against malicious code injection and reassures users that the software comes from a reliable source. Furthermore, code signing enables developers to quickly update their software without having to repeat the verification procedure each time.

What is app wrapping and why is it used in mobile app security?

App wrapping is a security mechanism that adds an extra security layer on top of the program to protect mobile applications, generally enterprise applications. In addition, it requires swathing the application in a security barrier that can offer extra security safeguards like encryption, authentication, and data loss prevention.

Moreover, this method is applied to safeguard mobile applications from hostile intrusions like data loss and illegal access. In addition, App wrapping can help safeguard corporate data kept on mobile devices by providing a security layer and ensuring compliance with security rules.

What is mobile application firewall and why is it important for mobile app security?

A safety feature known as a mobile application firewall (MAF) is included in mobile applications to guard against hacking attempts and guarantee that only authorized individuals may use the application. Due to their ability to shield applications against harmful practices, including data theft, illegal access, and malicious code execution, MAFs are crucial for mobile app security.

Besides providing additional layers of authentication to guarantee that just authorized individuals can use the program, MAFs also offer a way to track and regulate the data that is delivered and received by the application.

What is mobile app reputation management and why is it important for mobile app security?

Tracking, preserving, and enhancing a mobile app’s reputation are all part of mobile app reputation management. In order to prevent the app from just being banned by app stores or marked as dangerous by users, it is crucial for mobile app security because it assists in recognizing any potential dangers or suspicious behavior connected to the app.

Moreover, the maintenance of existing users’ confidence and loyalty, as well as compliance with security and privacy requirements, are two additional benefits of app reputation management.

Thanks for the AppKnox and Crew academy to provide such important information.

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Abhishek Srivastava

Senior Software Engineer | Android | Java | Kotlin | Xamarin Native Android | Flutter | Go