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Software Security Testing 

A Full Guide with Time and Costs

With 21 years in cybersecurity and Certified Ethical Hackers in the team, ScienceSoft offers a full range of security testing services. We help software vendors and enterprises enhance their cyber defense and stay one step ahead of hackers.

IT Security Testing - ScienceSoft
IT Security Testing - ScienceSoft

Security Testing: Essence

Software security testing is focused on identifying and assessing vulnerabilities that can compromise app protection. A type of non-functional testing, it does not evaluate if software fulfills its intended functions but examines whether it is securely designed, developed, and configured to withstand potential security threats.

Types: vulnerability assessment, penetration testing, security code review, compliance assessment, and security audit.

Major cost factors: the number and complexity of the testing targets, the testing types and techniques, the composition of the security testing team.

 

Security Testing Types

Vulnerability assessment

Extensive identification, analysis, and prioritization of software security flaws.

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Penetration testing

Simulation of life-like cyberattacks to detect and explore the existing vulnerabilities and their impact on the company.

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Security code review

Detection of security flaws in application source code, such as encryption errors, buffer overflow, XSS, and SQL injection vulnerabilities.

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Compliance assessment

Checking if software security security controls meet the requirements of regulatory standards: e.g., PCI DSS, HIPAA, GLBA, GDPR.

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Software security audit

A full-scale assessment of a software security controls. Checking software protection along with evaluating the information security policies and employees' cyber resilience.

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Common Myths about Software Security Testing

We don't need security testing: our app doesn't operate with sensitive data, so it can't interest cybercriminals.

While sensitive data is a common target, cybercriminals can hack applications for other reasons, for example:

  • To deliver malware to other devices or systems that interact with the app.
  • To steal login credentials, which can then be used for unauthorized access to other accounts.
  • To overload CPU, memory, or other system resources, aiming to disrupt the app's performance or even the entire IT network.
  • To execute phishing attacks or scams, tricking app users into revealing personal information or performing actions that benefit the attacker.

Our software has successfully passed compliance checks, so it is well-protected.

Regulatory standards may not envisage measures for new and emerging threats. Also, attackers can exploit vulnerabilities that compliance checks might not cover. Meeting compliance requirements is just a baseline; additional security measures are often needed to fully protect software.

Our developers follow best practices, so our software is secure.

Following best practices reduces the likelihood of software vulnerabilities but doesn't eliminate them entirely. Here are a few reasons why:

  • Best practices that are effective today might be insufficient to counter attackers' evolving tactics.
  • Developers might be unable to predict all the creative ways attackers can use, especially considering the wide range of scenarios and user interactions.
  • If your software relies on third-party libraries, frameworks, and plugins, vulnerabilities in these external components can also pose security risks.

Security testing slows development down; we can check our app after deployment.

Security testing is an integral part of development, not an impediment. Integrating security measures from the beginning helps address security vulnerabilities early, reduce technical debt and related costs, ensure compliance, and maintain user trust.

The Scope of Software Security Testing

Along with analyzing software components, it is essential to check non-technical security controls that comprise robust software protection. Therefore, security testing targets may include:

Applications

  • Web applications.
  • Mobile apps.
  • APIs.
  • Desktop applications.

Depending on the SDLC phase, application security testing may include manual and automated security code review, vulnerability scanning, and penetration testing.

System software

  • Operating systems.
  • Device drivers.
  • Utility software.
  • Middleware.
  • Firmware.

System security testing involves checking for outdated and unpatched versions with known vulnerabilities or insecure software settings. System software security tests typically include vulnerability scanning and pentesting.

 

Security awareness

  • Development teams.
  • Project managers and product owners.
  • Vendors and partners.
  • Corporate software users.

Cybersecurity professionals conduct interviews to assess the knowledge of best practices for secure software development and use. They can also perform social engineering testing to evaluate the risk of human-based attacks.

 

 

Security policies and DevSecOps practices

  • ​​​​​​Access control.
  • Third-party risk management.
  • Data handling.
  • Compliance management.
  • Secure deployment and configuration management.
  • Patch management.
  • Incident response and reporting, and more.

Cybersecurity specialists analyze the existing gaps and offer the required improvements to secure software engineering.

Security Testing Techniques: Ethical Hacking to Enhance Software Cyber Resilience

ScienceSoft's testers simulate real-world hacking tricks to explore how potential attackers can compromise software. Some of the most common techniques include:

Reverse engineering testing

Analyzing software code, binaries, or executables to understand software functionality, vulnerabilities, and potential hidden features.

Testing for remote code execution

Checking if malicious code can be executed on a remote system to install malware, steal data, escalate privileges, or perform other unauthorized activities.

Brute-force testing

Trying combinations of usernames and passwords to see if a potential attacker can guess the correct credentials.

Testing for man-in-the-middle attacks

Attempting to interfere with the communication between software and a web server to evaluate if the data can be intercepted and altered.

Clickjacking testing

Checking if a hacker can conceal malicious content behind seemingly legitimate UI elements and trick users into performing actions for the attacker's benefit.

SQL injection testing

Manipulating web app input fields or parameters to see if it is possible to craft SQL queries to misuse the database content.

Cross-site scripting (XSS) testing

Checking if malicious scripts can be injected into a web application, which can then be executed by users, potentially leading to data theft or unauthorized actions.

Cross-site request forgery (CSRF) testing

Manipulating an application to see if it is possible to make it perform unauthorized actions on behalf of an authenticated user.

Server-side request forgery (SSRF) testing

Checking if it is possible to make a server send requests to internal or external resources and elicit data or compromise security in another way.

Software Security Testing Setup Plan

The unique security considerations of various applications demand a case-by-case approach to security test planning and execution. Below, we outline the typical flow of projects at ScienceSoft.

1.

Planning

Duration: up to 2–3 weeks
  • Assigning a manager to plan and oversee the security testing project.
  • Defining the scope of the cybersecurity checkup: the targets, testing types, and time frame.
  • Estimating the budget of the project.
  • Designing the data handling policy: collecting, storing, sharing, and deleting test data.
  • Planning a mitigation strategy for possible risks related to the software security checkup: e.g., unintentional data exposure or software crashing.
  • Optimizing the plan to ensure against redundant efforts and expenses.

A company should plan at least one penetration test per year and one vulnerability assessment per quarter. Ideally, a security test should follow any major change in software or IT infrastructure.

Head of Information Security Department at ScienceSoft

2.

Preparation

Duration: up to 8 weeks
  • Gathering a team of cybersecurity professionals with relevant skills and experience in similar  projects.
  • Deciding on the security testing approach and techniques: for example black box, gray box, or white box tests, destructive (SQL injections, DDoS attacks,  application level floods, brute-force attacks, etc.) or non-destructive (social engineering, vulnerability scanning, etc.) techniques.
  • Selecting appropriate open-source or/and commercial tools, depending on the assessment goals:
    • To identify and classify known software vulnerabilities: general software scanners, container vulnerability scanners, Security Content Automation Protocol (SCAP) scanners, etc.
    • To see how software weaknesses can be exploited: password-cracking tools, fuzzers, web crawlers, dynamic application security testing (DAST) tools, exploitation frameworks, etc.
    • To detect code issues: static and dynamic code analysis tools, and more.
    • To evaluate adherence to applicable compliance standards: sensitive data finders, automated evidence collection tools, compliance scanners, and others.
  • Deciding if a test environment is needed. This can be a reasonable solution if the team applies intrusive techniques that may damage the production environment.
  • Obtaining the required access to the target assets and data for test execution.
ScienceSoft

ScienceSoft

3.

Launch and execution

The launch and execution phase will differ depending on the testing scope and, consequently, the type:

  • Vulnerability assessment. Duration: 1–2 weeks. 
    • Running automated scans on the target software to identify existing vulnerabilities.
    • Manual review of scanning results to eliminate false positives.
    • Analyzing detected vulnerabilities and their causes, evaluating their severity.
    • Reporting on the results with recommendations on how to fix the vulnerabilities.
  • Penetration testing. Duration: 1–3 weeks.
    • Vulnerability scanning: identifying exploitable vulnerabilities.
    • Vulnerability exploitation: simulation of true-to-life attacks.
    • Analyzing the exploited vulnerabilities and their impact on compromised software.
    • Reporting and remediation guidance.
  • Security code review. Duration: 1–8 weeks.
    • Automated scanning of the application source code.
    • Manual review.
    • Analyzing detected vulnerabilities.
    • Reporting on the findings and recommendations on enhancing the protection of the application.
  • Compliance assessment. Duration: up to 10 weeks.
    • Running vulnerability scanners, reviewing application source code, and using pentesting techniques to find software security flaws.
    • Defining deviations from regulatory standards and advising on their mitigation.
    • Report on Compliance and/or Attestation of Compliance.
  • Security audit. Duration: up to 14 weeks.
    • Analyzing security policies and procedures.
    • Interviewing employees to assess their cybersecurity awareness.
    • Incorporating vulnerability assessment, penetration testing, code review, and compliance assessment, depending on the audit scope.
    • A report with detailed description and analysis of all findings as well as recommendations on how to fix the revealed weaknesses.

Choosing a provider to take over the software security testing process in your company, you may be guided by:

  • Credentials and testimonials. Certifications (ISO 9001, ISO 27001, CEH, etc.) and real people reviews serve as tangible quality proof.
  • Portfolio.
  •  The qualifications and experience of the team expertise: preferably dedicated specialists skilled in automated and manual techniques.
  • Reports that should include a sound analysis of identified vulnerabilities and their causes, as well as remediation guidance for each finding.

ScienceSoft's Penetration Testing Consultant, CEH

Consider Professional Security Testing Services

 

Security testing consulting

  • Analyzing your software.
  • Advising on the security testing type, approach, and techniques.
  • Cost calculation.
  • Developing the testing strategy and plan.
  • Help with the interpretation of the test finding.

Let's talk about it

Security testing outsourcing

  • An optimal strategy for your security testing needs and scope.
  • Vulnerability assessment, pentesting, compliance assessment, or security audit, depending on your goals and needs.
  • Description and prioritization of the existing vulnerabilities.
  • Remediation recommendations.
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Why Choose ScienceSoft

  • Since 2003 in cybersecurity.
  • A solid portfolio of successfully completed projects.
  • A competent team: Certified Ethical Hackerscompliance consultants, certified cloud security experts, certified ISO 27001 internal auditors, and more.
  • ISO 9001-certified mature quality management to guarantee smooth cooperation and value-driving results.
  • The safety of our customers' data ensured by ISO 27001-certified security management system.
  • Recognized as Top Penetration Testing Company by Clutch.
  • ScienceSoft is a 3-Year Champion in The Americas’ Fastest-Growing Companies Rating by the Financial Times.

Join Our Happy Customers

Star Star Star Star Star

Throughout security testing activities, ScienceSoft’s cybersecurity team proved to be result-oriented and attentive to detail. Thanks to ScienceSoft’s quality testing efforts, we were able to ensure a higher level of protection of our cloud application and the sensitive customer data stored in it.

ScienceSoft’s security testing team performed exceptionally well and gave us confidence that our application posed no serious vulnerabilities. The collaboration was smooth and easy, and we were very pleased with selecting ScienceSoft as our vendor.

ScienceSoft’s security professionals always responded quickly on any question regarding the identified security vulnerabilities. Upon the completion of security tests, we got comprehensive reports with the detailed information on the detected critical and non-critical security weaknesses and recommended measures to mitigate them. 

Success Stories by ScienceSoft

Cloud Application Code Review and Pentesting for an Award-Winning IT Company

Cloud Application Code Review and Pentesting for an Award-Winning IT Company

Combining manual and automated checks, ScienceSoft conducted an in-depth analysis of security issues in a cloud-based app for tax returns. With ScienceSoft's remediation guidance, the customer ensured the app's reliable protection before releasing it to the market.

Pentesting of Blockchain Software for a Fintech Company

ScienceSoft performed black and gray box pen tests of the customer's mobile and web applications, as well as infrastructure components: servers, databases, APIs, Bitcoin nodes, etc. The testing revealed multiple vulnerabilities of different severity levels.

Software Audit and Code Refactoring for a Telehealth Platform

Software Audit and Code Refactoring for a Telehealth Platform

In just three months, ScienceSoft audited and refactored the platform's code, fixed critical defects, and stabilized the features. The outcome was a high-quality HIPAA-compliant MVP ready to enter the market.

Web Application Penetration Testing for a Multinational Retail Chain

Web Application Penetration Testing for a Multinational Retail Chain

ScienceSoft performed black box pentesting for a multinational retailer with more than 12,000 stores worldwide. The team identified flaws undermining the protection of the target web applications and advised on corrective measures needed to prevent security breaches.

Security & Quality Assessment of a Patient Portal for a US Healthcare Provider

As a result of vulnerability scanning, malware detection, pentesting, and source code review, ScienceSoft found high-severity vulnerabilities that could enable unauthorized access to the EHR system and data theft. Our experts provided remediation guidance to help the healthcare provider improve the portal's protection in line with HIPAA requirements.

Typical Roles on ScienceSoft's Security Testing Team

The composition of the team is tailored to specific scope and requirements. Here is a list of ScienceSoft’s experts who may be involved in different projects.

Security testing manager

  • Plans a security testing project depending on the negotiated scope.
  • Manages security testing process and the team.
  • Supervises security testing execution.
  • Communicates with the customer to coordinate the project.

Vulnerability analyst

  • Runs vulnerability scans on applications, networks, and devices to identify vulnerabilities.
  • Performs a manual review of the findings to exclude false positives.
  • Evaluates the severity of discovered vulnerabilities.
  • Analyzes the root causes of the vulnerabilities.
  • Reports on the findings and advises on remediation steps.

Penetration test engineer

  • Locates and explores exploitable vulnerabilities.
  • Identifies entry points and methods hackers can use.
  • Develops penetration scripts and tests.
  • Simulates hackers’ attacks on applications, networks, or devices.
  • Evaluates the impact of the detected weaknesses on the company.
  • Provides recommendations on security risk mitigation.

Security code review analyst

  • Performs a manual analysis of application source code.
  • Selects or develops automation tools for code review.
  • Identifies vulnerabilities in the code.
  • Recommends remediation actions.

IT compliance specialist

  • Reviews a company’s IT security policies and procedures, evaluating their compliance with regulatory standards.
  • Investigates if all mandatory software security controls are in place and meet regulatory requirements.
  • Documents compliance deviations.
  • Offers mitigation guidance.
  • Collaborates on compliance documentation.

IT security auditor

  • Reviews a company’s security policies and procedures.
  • Verifies employees’ security awareness.
  • Evaluates the effectiveness of software  security controls.
  • Provides a comprehensive report of the audit and a security risk management plan.

Security Testing Sourcing Models

Management and implementation are in-house

  • Minimizing the risk of sensitive data leaks.
  • A good understanding of the company’s processes and IT environment.
  • Limited skills and experience.
  • “Inside-the-box” thinking due to the familiarity of the IT environment, which can be fraught with missing certain vulnerabilities.
  • The need to update the security testing toolkit and hold training for the testers.
  • Salaries and maintenance costs.

Management and implementation are completely outsourced

  • Solid experience and best practices: a wide choice of advanced cybersecurity assessment technologies and skills.
  • Cost-effectiveness and reduced TCO.
  • The vendor takes over the test plan, preparation, and implementation.
  • An independent expert view.
  • Exposing your IT assets to a third party may be risky unless you deal with a reliable vendor.
  • The team needs time to get familiar with the specifics of your software and IT environment.

Management is in-house; the test team is completely or partially external

  • Flexibility: scaling up and down, depending on the testing needs.
  • Control: the internal manager who overviews the testing process.
  • It may be difficult to find a well-versed expert able to design the security testing strategy and ensure smooth cooperation and monitoring.

Cybersecurity Goals We Help Achieve

Defend against ever-evolving cyber threats

We stay tuned for popular and more sophisticated hacking tricks to help protect your software against both common and advanced cyberattacks.

Why important: 38% was the rise in attacks worldwide in 2022 compared to 2021 (CheckPoint).

Streamline vulnerability remediation

Our team not only provides a comprehensive view of software vulnerabilities. We prioritize the detected issues, advise on efficient corrective measures, and are ready to fix any flaws in your software.

Why important: 60% of all data breaches stem from unpatched vulnerabilities (Automox).

Maintain compliance

Our security engineers collaborate with compliance consultants to identify and rectify gaps related to data protection standards such as HIPAA, PCI DSS, GDPR, and others.

Why important: $14,800,000 is the average cost for organizations that experience non-compliance problems (GlobalScape).

Common Questions Answered

Can software security testing be fully automated?

Automated tools are great at detecting many security issues quickly, but they cannot fully replace the deep understanding and skills of experts who perform manual testing. Here's why:

  • Automated tools depend on established patterns, potentially overlooking new vulnerabilities that are not in the databases.
  • These tools often generate false positives: struggling to grasp an application's unique context and logic, they may confuse intended actions with security threats.
  • They disregard human creativity, including advanced hacking methods.

What does manual software security testing involve?

During manual vulnerability exploration, our security testers:

  • Use threat modeling to identify potential threats and prioritize testing efforts.
  • Probe inputs, interactions, and configurations to uncover security flaws.
  • Dig into the application's architecture, code, and logic to identify hidden vulnerabilities.
  • Analyze the unique context of the application, including business rules, user roles, and specific functionalities.
  • Simulate less common or more sophisticated attacks that go beyond the scope of automated tools, and more.

How does software security testing contribute to information assurance practices?

IT security tests serve as a robust information assurance tool that safeguards information assets in line with core security requirements:

  • Confidentiality: Data security testing identifies vulnerabilities that could potentially lead to the exposure of sensitive information.
  • Integrity: Information security testing examines vulnerabilities that might result in unauthorized tampering or data changes.
  • Authentication: Security tests assess authentication mechanisms to ensure that only authorized users can access the system.
  • Availability: IT security tests help prevent cyberattacks that may lead to system crashes or data loss.
  • Authorization: Security testing verifies the implementation of proper authorization mechanisms, restricting access based on user roles.
  • Non-repudiation: Security testing validates audit trails, logs, and transaction records, ensuring that actions can be traced back to responsible parties.

Tools ScienceSoft Uses to Assess Software Protection

Along with vulnerability scanners and automated penetration testing tools, cybersecurity professionals use:

  • Static application security testing tools to find vulnerabilities in the app's architecture and source code.
  • Dynamic application security test tools to explore the app's security flaws through the front end.
  • Software composition analysis tools to analyze open-source application components.

Having hands-on experience with multiple security testing automation tools, ScienceSoft's experts competently choose an optimal toolset for each project to get quick and accurate results.

Software and IT Infrastructure Security Testing Costs

The costs of a security checkup vary across different projects, depending on the scope of testing required for a particular company.

General cost factors

  • The number and complexity  of the testing targets.
  • The testing types and techniques: vulnerability scanning, black or white box approach, security code review, social engineering, etc.

For in-house security testing

  • The size of the security testing team (salaries and benefit packages, additional training).
  • Creating and maintaining the working environment for the security testing unit.
  • Toolkit maintenance (license fees).

For outsourced security testing

  • The number of security testers and their qualifications.
  • One-time or long-term cooperation (a vendor may be willing to reduce the costs for subsequent assessments).
Pricing Information

Depending on the factors described above, software security testing activities may cost anywhere from $5,000 to $15,000+.

Sample price: Social engineering campaign and gray-box pentesting of customer-facing software (a web and a mobile application) and its external APIs may cost $15,000+.

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About ScienceSoft

About ScienceSoft

ScienceSoft is a global provider of cybersecurity services headquartered in McKinney, Texas, US. With Certified Ethical Hackers on board, ScienceSoft’s team offers their expertise to help our customers enhance their cyber defense and maintain their compliance with regulatory standards. Customer information safety is ensured by ISO 27001 certification.