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Adopting Secure SDLC & Other Security Best Practices

  • Category

    Software & High-Tech

  • Chirpn IT Solutions

    AI First Technology Services & Solutions Company

  • Date

    April 08, 2024

In today’s digital landscape, where cyber threats are growing at a faster rate, organizations are clinching the critical need to fortify their defense mechanism. The rise in security breaches has drawn a line under the inherent vulnerabilities in traditional software development lifecycles (SDLCs) and operational processes. As a result, there is a growing recognition of the paramount importance of integrating powerful security measures throughout the entire SDLC and unclasping to a comprehensive security-first mindset.

Businesses are partaking in different options, investing in cybersecurity solutions, and adopting secure SDLC methodologies, which involve incorporating security considerations from the start of the phases onto the development and maintenance. These proactive measures streamline the security impact, which is woven into the fabric of software development.

This literally minimizes the risk of vulnerabilities and data breaches. In order to safeguard the interest of software development and secure SDLC practices, there is a need for industry-proven security policies such as network hardening, access controls, and continuous monitoring. It is crucial for every organization to safeguard the interests of their digital assets, to bring customer trust, and to leverage business continuity within the hostile cyber landscape. 

Addressing Cybersecurity Risks

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Discovering security breaches within a system can take organizations months, primarily due to lengthy intervals between security baseline assessments, often conducted annually or less frequently. Mitigation plans based on outdated vulnerabilities, if not continuously updated, may lack effectiveness. The absence of ongoing risk monitoring makes it challenging to identify potential threats that could significantly impact the security of applications and business infrastructure.

Implementing security practices before a release is crucial to assess the impact of existing vulnerabilities and determine necessary updates. This includes activities such as threat modeling, secure code review, vulnerability assessment, and penetration testing. While these activities may require additional budget allocation, the value derived from identifying and managing cybersecurity vulnerabilities earlier in the SDLC outweighs the upfront costs of remediating findings after a release.

What advantages does a secure software development lifecycle offer?

The primary benefits of a secure SDLC:

  • High Security: A secure SDLC promotes a proactive stance towards adhering to security-related rules and regulations. This approach elevates the security levels of your applications and ensures that all stakeholders are well-informed about potential security issues.
  • Cost Savings: Early integration of code reviews within the SDLC results in a reduction in the costs associated with managing and resolving security-related vulnerabilities. In essence, you economize by identifying and addressing issues promptly as they arise.
  • Regulatory Compliance: By establishing a secure environment, a secure SDLC aligns with the requirements of your business, reinforcing safety, security, and compliance standards. It aids in the early detection of design flaws in the SDLC process, thereby diminishing business risks within your organization.


Annual Security Assessment

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An Annual Security Assessment in SDLC (Software Development Life Cycle) security refers to a comprehensive evaluation conducted once a year to assess the security posture of a software development process. This assessment aims to identify and analyze potential vulnerabilities, risks, and security issues within the development lifecycle of software applications.

During an Annual Security Assessment, security experts typically conduct a thorough examination of the entire SDLC, from the initial planning and design phases to coding, testing, deployment, and maintenance. The goal is to uncover any weaknesses or gaps in security measures and to ensure that the development process aligns with established security standards and best practices.

Key components of an Annual Security Assessment in SDLC may include:

  • Risk Identification: Identify potential security risks and vulnerabilities associated with the software development process.
  • Compliance Check: Ensure that the development practices comply with relevant security standards, regulations, and organizational policies.
  • Code Review: Scrutinize the codebase for security flaws, coding errors, and vulnerabilities that could be exploited by attackers.
  • Penetration Testing: Conduct simulated attacks to assess the resilience of the software against real-world threats.
  • Security Policy Review: Evaluate the effectiveness and adherence to security policies and procedures throughout the SDLC.
  • Documentation Analysis: Review documentation related to security practices, guidelines, and incident response procedures.
  • Training and Awareness: Assess the level of security awareness and training among development teams to identify areas for improvement.
  • Incident Response Readiness: Verify the readiness of the organization to respond effectively to security incidents and breaches.

The Annual Security Assessment aims to provide insights into the overall security maturity of the SDLC, helping organizations identify areas for improvement and implement measures to enhance the security of their software development processes. It serves as a proactive measure to mitigate risks and protect against potential security threats throughout the software development lifecycle.

Agile Security

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Agile Security in SDLC (Software Development Life Cycle) refers to the integration of security practices within an agile development framework. The agile approach emphasizes iterative and collaborative development, allowing for flexibility and adaptability throughout the software development process. Agile Security ensures that security measures are not treated as a separate phase but are embedded into each stage of the SDLC, enabling organizations to address security concerns in a more dynamic and responsive manner.

Key characteristics of Agile Security in SDLC include:

  • Continuous Integration and Continuous Deployment (CI/CD): Security measures are integrated into the CI/CD pipelines, allowing for automated security testing and validation during each development iteration. This helps identify and address security issues early in the development cycle.
  • Shift-Left Approach: Agile Security follows a "shift-left" strategy, meaning that security considerations are moved earlier in the development process. By addressing security concerns from the outset, teams can proactively manage and mitigate risks throughout the development lifecycle.
  • Cross-Functional Collaboration: Security professionals collaborate closely with development, operations, and other teams throughout the agile development process. This collaboration ensures that security requirements are understood and implemented effectively across all aspects of the software.
  • Adaptive Risk Management: Agile Security embraces an adaptive and risk-based approach to security. Teams prioritize security tasks based on the level of risk and continuously reassess and adjust security measures in response to changing requirements and emerging threats.
  • Security Champions: Assigning individuals from the development team to the role of Security Champions helps bridge the gap between security experts and other team members. Security Champions act as advocates for security best practices within the team, promoting a culture of security awareness.
  • Frequent Security Testing: Agile Security encourages the incorporation of frequent and automated security testing, such as penetration testing, vulnerability assessments, and code reviews, throughout the development process. This ensures that security is an integral part of each development iteration.
  • Agile Delivery Model: The principles of agility, including transparency, collaboration, and adaptability, are applied to security activities. This aligns security practices with the overall agile delivery model, promoting a more responsive and effective security posture.

By integrating security seamlessly into the agile development process, Agile Security aims to create a more resilient and secure software environment. It emphasizes a proactive and collaborative approach to address security challenges in today's dynamic and rapidly changing technological landscape.

Agile Security Vs. Annual Security Assessment

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While hiring more security experts may seem like a logical response to potential cyberattacks, expanding a security program requires approval from multiple leadership executives and may strain a company's budget. Annual security assessments, being time-consuming and inefficient, may not provide a comprehensive understanding of system security.

Adopting an agile security approach, which optimizes time, resource capacity, and expenses according to best practices, proves to be a more efficient strategy. Businesses not yet following this approach can consult with trusted security advisors to implement secure SDLC and other security best practices.

Considerations for Adopting Agile Security

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Assign a Security Champion from the engineering team to act as a liaison between the security team and other areas of the organization, detecting and addressing vulnerabilities proactively.

Review and test applications by security specialists before each production release to minimize risks against emerging threats.

Incorporate additional security testing automation into CI/CD pipelines to simplify manual testing and validate vulnerabilities discovered through automation.

Use tools to coordinate security activities and manage vulnerabilities, aligning with the principles of an agile delivery model.

While there is no one-size-fits-all solution for security, integrating secure SDLC practices into the development life cycle enables regular checks on applications, identifying issues promptly, akin to a doctor examining an at-risk patient's health every month, maintaining a preventative approach to disease by catching it early on.


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