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Why Mobile Banking App Testing is Crucial in 2024: Ensuring Security and Trust

Pratik Patel
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Pratik Patel
  • Jul 25, 2024
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    12 min read
Why Mobile Banking App Testing is Crucial in 2024: Ensuring Security and Trust
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In the banking industry, customers seek efficient and enhanced methods for managing their financial needs. They desire convenience, allowing them to access services at any time, and personalization, ensuring products are tailored to their specific requirements. Additionally, customers expect around-the-clock access to financial products.

As a result, banks and financial firms are developing advanced mobile banking applications and online platforms to meet these expectations. However, it is important to note that banking apps are sophisticated and involve handling important / sensitive data. This is why security testing is important, especially when creating a new prototype or designing a new application. 

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What is the Need for Testing Banking Applications?

Banking services are a crucial part of most people’s lives, so it is imperative to conduct load testing of banking applications. Considering ourselves as the clients and users of these applications, we are entitled to perfect performance from banking apps. Nevertheless, it is essential to grasp the rationale of the extensive testing process before plunging into any testing activities.

Here are the key reasons to invest in testing banking and finance applications:

Key reasons of Software Testing for Banking
  1. Security: First of all, high-stakes information is processed through applications that connect to banks including, but not limited to, financial and, in some cases, personal information. Thorough Security Testing for Banking Apps helps to consider all the possible vulnerabilities as well as the ways to avoid them.
  2. Reliability: Users expect to use the software or system without any problems and issues. Testing is done to guarantee the correct working of the app in specific conditions.
  3. Compliance: Banking apps are required to be trained as applications covering specific standards (e.g. GDPR, PCI-DSS). Financial app testing was used to ensure compliance with these legal standards.
  4. User experience: Ease or smooth handling of a business and its functions is crucial to the customer and thus the customer’s loyalty. Testing points out the current problems or potential issues, which are related to usability.
  5. Financial risks: Bugs or errors in banking applications can lead to financial losses for both the institution and its customers. Effective financial app testing reduces these risks by identifying and fixing issues before deployment.
  6. Reputation: Banking is a sensitive industry, and trust is very important in this industry. Testing banking applications thoroughly ensures that they meet the highest standards of security and reliability.

Types of Mobile Banking Application Testing

When testing mobile banking apps, a variety of tests must be considered to ensure performance testing, user experience Testing, and security testing.

Types of Mobile Banking Application Testing
  1. Performance testing: It is crucial for mobile banking security applications. It is important to note that performance testing is also significant for mobile banking applications. It guarantees that customers can utilize their credit and debit instruments, or merely check balances, complete routine transactions or transfer funds properly.
  2. Functional testing: Functional testing complements performance testing to ensure that the end product is as good as desired in a banking application. Aspects regarding the particular application design encompass the following:
    For example, users should be able to carry out transactions with a single click, and app interfaces should have logical organization. An area of software testing that checks whether the app works correctly is called functional testing.
  3. Security testing: When we are thinking about Security it is a critical aspect of application development for all products, especially for mobile banking. This should be in line with the guidelines of the Open Web Application Security Project (OWASP) for practices.
  4. Accessibility testing: Ensures that the app is accessible to as many people as possible including disabled persons with vision, and physically and disabled mentally impaired persons. This means that testing for accessibility is added to the SDLC and done together with functional, and performance testing, among others.
  5. Cross-platform compatibility testing: As millions of users are capable of using banking apps, organizations involved in finance must consider compatibility with different platforms. The testing process should involve iOS and Android devices and platforms, including new features, enhancements or otherwise to ensure the optimal user experience is achieved.

Testing Workflow for Banking Domain Application

Testing workflow for banking domain application

1. Gather and Identify Requirements

  • Documentation and categorization: It is also tested, and the requirements are logged and classified according to the use case or functional description. Hence, in the context of the BFSI sector, it is essential to have a sufficient amount of domain expertise because the area is wide and complex interrelated sub-domains.
  • Module identification: In each aspect of the application, for money transfer, bill payment, mortgage, loan, and deposit, the QA testers have to divide the requirements into specific modules.

2. Develop Business Cases and Review Needs

  • Scenario creation: QA engineers develop second and third-level business processes of the system capturing all the business requirements from the requirement documents in the form of functional specifications or use cases.
  • Stakeholder review: QA engineers and other experts such as development leads and business analysts assess the scenarios to ensure all business processes are not violated.

3. Create a Test Case Template

  • Test-Case preparation: Rising from business scenarios test cases comprise positive and negative test cases as well. Popular ones are ALM / Quality Center, qTest, TestRail, and TestDirector.
  • Test-Case review: Other QA engineers also go through the listed test cases to ensure that they are correct and that none is missing.
  • Test-Case execution: The test case is run manually or with the help of automated tools like Quality Centre (QC), and Unified Functional Testing (UFT).

4. Functional Testing

  • Workflow verification: The QA team performs Functional Testing as this aiming to check that all important user flows as well as the main features are free from any defects and that they meet the specified requirements.
  • Functional testing checklist:
    • Confirm error messages for the empty specific obligatory fields.
    • Check how the validators confirmed valid and invalid data in the BD field.
    • Check that the correct value is entered for character limits for each field.
    • Check that all links and buttons are working well.
    • Verify calculations are accurate.
    • Test scrolling functionality.
    • Check the application when the phone has no network connection such as in the flight mode.
    • Verify the application in communication during phone calls, text messages, or notifications.
    • Check installation and uninstallation processes and also check update processes.

5. Database Testing

  • Data Integrity and schema assessment: Make sure that the data within the app is consistent in which integrity plays a significant role. Evaluations of the type of data used and structured in the database, the functions, the procedures used, and the speed of data loading into the database testing.
  • Testing focus area:
    • Data loading: Verify the data is loading correctly into the database.
    • Database migration: Ensure that data has transitioned from one database to the other without hitches.
    • Schema and datatype testing: Also verify the database schema and the given data types.
    • Rules testing: Business rules in the database should be validated.
    • Stored procedures and functions: Check the work of function and productivity.
    • Triggers: Check if Verify triggers work properly.
    • Data integrity: This will create data consistency and accuracy.

6. Security Testing

  • Vulnerability assessment: Secure IT systems and networks: detect and eliminate risks. Comply with security such as OWASP.
  • Security measures: Use access validation in multiple centers (for example, OTP) to ensure that only authorized personnel gain access.
  • Test scenarios: Such that there are negative use cases and positive use cases of the actual system to ensure that it withstands these attacks.

7. User Acceptance Testing (UAT)

  • Real-World scenario testing: Find the weaknesses and possibilities of the application by asking a focus group to perform real-life tasks with it.
  • Simulating high user load: It is recommended to create high loads for users and check the distinct options concerning mobile devices, operation systems, and connections.
  • User feedback: Gather and respond to end-user feedback to satisfy the users of the application’s features.

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Complexities and challenges in testing mobile banking application

Complexities and Challenges in Testing Mobile Banking Applications

The process of testing applications for Mobile Banking significantly encompasses several difficulties and complications to provide the final customer with a working and safe program. Due to the inherent nature of dealing with financial data, the tests have to be keenly conducted. On the same note, At Alphabin, we specialize in financial app testing, enabling us to address and overcome these challenges effectively.

  • Security is Critical: Banking applications as it is with any application containing private customer data are full of confusion and vulnerable data. QA teams have to ensure that both the beneficial functionalities and the flaws of the system are well tested in order not to leave possibilities for unauthorized access and to identify imperfections.
  • Complex Data: One of the big issues in financial app testing is the handling of large complicated data. The specific, repeated checking of database connectivity and logical functions, with the connection being run preferably through a Virtual Private Network (VPN), will ensure that data remains turbulent-free and sound.
  • Omni-Channel Banking: Omni-channel banking or branchless banking is a modern twist to the issue because the financial markets are operated without physical branch establishments. QA teams need to be aware of the overall usability testing and productivity of the mobile applications to go through the whole process of proper interaction with the client's portable devices across multiple channels, such as web browsers.
  • Performance Failures: The sources of performance problems could be infrastructure and connectivity as well as back-end integration challenges. Cold-browsing of transactions coupled with daily or weekly administration of loads and stress is crucial to ascertain whether multiple transactions impair the application’s efficiency. For that load testing ensures all banking app performance. 
  • Integration with Programs: The application must work hand in hand with other banking applications that the end user may have; the application must not have a hard time handling workflows. The presence of third-party websites often causes conflicts, which becomes a concern for the QA teams when it comes to coding issues and bugs.
  • Real-time Activities: Banking applications require real-time transaction updates to both the clients and the other connected systems. The testers must make certain that there is no undue lag when the app is updated in real-time, even with the decision of Network connectivity.

What are the main Challenges of Mobile Banking app Testing?

Mobile banking app testing challenges

Mobile banking app testing is an area where test automation has been adopted and integrated as the standard way of realizing the reassurance of IT assets’ stability, security, and performance. This guide also considers the importance of automating testing in mobile banking and its advantages.

The following are the reasons why the use of automation is very crucial in the mobile banking security testing:

1. Efficiency and Speed

  • Rapid deployment: Automation leads to executing the tests faster than manual tests, and when mobile banking apps are frequently updated and deployed, the advantage of automation tests becomes a crucial factor.
  • Continuous integration/Continuous deployment (CI/CD): Automated tests can also become a part of the CI/CD Testing workflow, this means that new code will be tested constantly and deployments will be more stable.

2. Consistency and Reliability

  • Repeatability: In comparison to manual testing, automated tests can be run on a round-robin/regression basis with the greatest precision.
  • Elimination of human error: The decision-making capabilities increase when human error is eliminated as is the case with repetitive functions that are performed during testing.

3. Comprehensive Test Coverage

  • Multiple scenarios: Test automation enhances the testing process since many various situations can be tested, including those that the tester has yet to consider during the manual testing.
  • Device compatibility: The tests performed can be run on multiple devices and operating systems; therefore, the compatibility and functionality are extensive.

4. Cost-Effectiveness

  • Long-term savings: Though investment is initial and automation is costly, in the long run, it proves beneficial in terms of maximum efforts being saved and testing being done in minimum time.
  • Resource optimization: Automated testing allows the people involved to perform more important and high-level tasks since machines do the repetitive ones.

The compliance and standards of regulation in the testing of mobile banking

In today’s mobile banking, ensuring regulatory compliance and adhering to standards is crucial. Compliance not only protects financial institutions from legal penalties but also builds customer trust and ensures secure, reliable banking experiences.

Key regulatory requirements in mobile banking

Key Regulatory Requirements in Mobile Banking

  1. Payment Card Industry Data Security Standard (PCI DSS)
    • Objective: Memorize all the card details to resist the temptation of copying them down, and ensure that the information is secure when entered.
    • Requirements: These include: protection of cardholder data, secure authentication processes, vulnerability, and gaining access to vulnerability using networks, and information security policy.
  2. General Data Protection Regulation (GDPR)
    • Objective: Preserve the identity and privacy of the EU citizens.
    • Requirements: The requirements regarding data encryption, the necessity for the user’s consent to the data processing, the obligation to notify users of the personal data breach within 72 hours, and the responsibility for providing users with their rights to access or erase their data.
  3. Gramm-Leach-Bliley Act (GLBA)
    • Objective: Protect the consumer's financial data.
    • Requirements: Measures that are taken to prevent unauthorized access to data, Mobile Banking Security communicating notice of the customer’s privacy policy, and the security and accuracy of customer information.
  4. Sarbanes-Oxley Act (SOX)
    • Objective: Enhance investors’ protection through enhancement of the quality and reliability of information disclosed to the market by companies.
    • Requirements: Controls concerning the recording of financial transactions, accuracy, and the preservation of the audit trail of electronic records.
  5. Bank Secrecy Act (BSA)/Anti Money laundering (AML)
    • Objective: Fight money laundering and other financial offenses.
    • Requirements: Ensuring strong customer identification practices, being able to identify and report fraudulent conduct, and keeping records of customer transactions.

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Standards in Mobile Banking Testing

  1. ISO/IEC 27001
    • Focus: ISMS is a collective term for information security management systems.
    • Relevance: A way of guaranteeing that financial institutions adhere to and maintain good security controls in handling sensitive information.
  2. NIST Cybersecurity Framework
    • Focus: Enhancing protection of critical infrastructures that are prone to threat attacks or are of high value.
    • Relevance: FTC’s best practice recommendations in connection with cyber incident reporting, prevention, recognition, mitigation, and management.
  3. Open Web Application Security Project  (OWASP)
    • Focus: Improving software security.
    • Relevance: Presents a checklist of principles and standards for the creation of safe web applications; it might also apply to mobile apps.
  4. ISO/IEC 22301
    • Focus: Management system in business continuity process.
    • Relevance: Captures the method through which the banking sector would proceed during and after a disruption; whether in the form of cyber attacks or otherwise.

Innovative Testing Solutions for Banking Applications by Alphabin

Alphabin recognizes the critical importance and sensitivity of banking application testing like no other. Users can ensure their financial app testing performs crucial functions seamlessly, such as authenticating users with the digital bank server, managing deposits and withdrawals from checking or savings accounts, registering new users, and securely logging out users.

How Alphabin attains these objectives by building cutting-edge mobile testing strategies that are specific to the banking application. For these applications, Alphabin incorporates complex tools into performance tests to automatically adjust for functionality in various situations. This includes:

  • Verifying application performance based on GPS & Network: To ensure its proper functionality in the international territory and different network availability.
  • Biometric authentication testing: Providing reliable login procedures by utilizing users’ biometrics to increase the level of security for the given data.
  • Image injection functionality: Using photo-fraud technology to check all the functionalities that have been implemented in the application such as the check deposit feature that can be done through mobile.

Further, the service virtualization of the business means that Alphabin generates appearances of third-party applications that one may not access due to high costs or licensing.

Thus, with Alphabin being a valued partner, clients can minimize the challenges characteristic of the banking industry and be sure that their applications are in capable hands.

Final Thought

In 2024, the importance of mobile banking app testing cannot be overstated. As the demand for secure, reliable, and user-friendly banking apps grows, a thorough testing process is crucial to meet user expectations and maintain trust.

Comprehensive testing ensures that banking apps handle sensitive information securely, comply with stringent regulations, and provide a seamless user experience.

Leveraging our expertise in all types of testing, including performance, functional, security, accessibility, cross-platform compatibility, database, and user acceptance testing (UAT), we ensure that every aspect of a mobile banking app is meticulously examined.

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Frequently Asked Questions

How do I ensure my mobile banking app is secure?
FAQ ArrowFAQ Minus Arrow

To ensure the security of a mobile banking app, conduct thorough Security Testing for Banking Apps  that includes vulnerability assessments, penetration testing, and compliance with industry standards like OWASP, PCI DSS, and GDPR. Implement robust encryption, secure authentication methods, and regular security audits.

How do I handle performance testing for mobile banking apps?
FAQ ArrowFAQ Minus Arrow

Use performance testing tools like JMeter, LoadRunner, or Neoload to simulate various load conditions and evaluate the app’s performance. Test under different network conditions and ensure the app remains responsive and stable.

What are the key performance metrics to monitor in mobile banking app testing?
FAQ ArrowFAQ Minus Arrow

Monitor metrics such as response time, transaction speed, error rates, load times, and resource usage. Performance testing tools can help identify and address bottlenecks.

How do I handle database testing for my mobile banking app?
FAQ ArrowFAQ Minus Arrow

Ensure data integrity, schema validation, and accurate data migration through database testing. Use tools like SQL Server Management Studio (SSMS) and Oracle SQL Developer for database testing and validation.

About the author

Pratik Patel

Pratik Patel

Pratik Patel is the founder and CEO of Alphabin, an AI-powered Software Testing company.

He has over 10 years of experience in building automation testing teams and leading complex projects, and has worked with startups and Fortune 500 companies to improve QA processes.

At Alphabin, Pratik leads a team that uses AI to revolutionize testing in various industries, including Healthcare, PropTech, E-commerce, Fintech, and Blockchain.

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Pro-tip

Incorporate continuous testing early and throughout the entire development lifecycle to catch issues as they arise. This proactive approach ensures security vulnerabilities, performance bottlenecks, and functional defects are identified and addressed promptly.

At Alphabin, our expertise in leveraging advanced testing tools and integrating automated tests into CI/CD pipelines ensures high-quality, secure, and efficient mobile banking applications that meet the highest standards and maintain customer trust.

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Why Mobile Banking App Testing is Crucial in 2024: Ensuring Security and Trust