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As software development and cybersecurity evolve, so do the debates around secure development practices. The shift-left movement, which encourages identifying vulnerabilities as early as possible in the Software Development Life Cycle (SDLC), has raised concerns about how much security responsibility developers should carry. Many argue that pushing security left disrupts productivity, while proponents claim that earlier fixes lower costs and boost resilience. At Bloomfilter, we advocate for an OPEN SDLC: Observable, Predictable, Efficient, and Nimble. This approach creates a balanced, sustainable framework for secure software that doesn’t place undue burden on developers.

Shifting Left and the Developer Conundrum

The shift-left movement is based on the idea that addressing vulnerabilities early is both effective and cost-efficient. However, a recent Cybersecurity and Infrastructure Security Agency (CISA) report questioned the conventional belief that fixing bugs in production is far costlier than fixing them during design. This raises the question: Should developers shoulder the full burden of security, or can there be a better approach?

The call for “shift-left” security has often meant adding complex tools and protocols that can feel like an additional layer of responsibility for developers. Security protocols often disrupt workflows with “noisy outputs” that require attention, even if they don’t align with immediate priorities. This can lead to friction between developers, who prioritize speed, and security teams, who focus on resilience. Finding a balanced approach that doesn’t disrupt productivity is essential for protecting applications and ensuring developer efficiency.

The Role of an OPEN SDLC in Balanced Security

Bloomfilter’s OPEN SDLC framework focuses on making security a shared, manageable responsibility. Here’s how each element of an OPEN SDLC lightens the security load on developers while maintaining resilience:

  • Observable: Visibility across the SDLC provides real-time insights into potential security risks. Continuous monitoring means vulnerabilities can be identified promptly, making security a shared responsibility without disrupting developer workflows. Specific workflows can be targeted for additional scrutiny.
  • Predictable: Tracking patterns and risks across the SDLC helps developers anticipate vulnerabilities and address them proactively, reducing the need for last-minute security fixes that slow down development.
  • Efficient: An efficient SDLC minimizes the need for reactive production fixes by integrating security into a streamlined development pipeline, keeping workloads manageable.
  • Nimble: Flexibility to adapt to evolving security needs allows teams to address emerging threats without needing to overhaul processes or compromise release timelines by applying interventions directly within the workflow.

With an OPEN SDLC, security is not an added burden but a built-in advantage, allowing organizations to embed security seamlessly into workflows. The framework provides a predictable, proactive approach that integrates security throughout the development lifecycle, enhancing resilience without compromising productivity.

SecDevOps: Integrating Security at Every Stage

SecDevOps, a framework prioritizing security at every stage of development, is essential for achieving this balanced approach. Traditional DevOps focuses on efficiency, while SecDevOps adds security as a core pillar. The core principles of SecDevOps are well-aligned with an OPEN SDLC and include:

  • Collaboration: SecDevOps promotes collaboration across development, security, and operations teams, ensuring security is integrated without overburdening any single group.
  • Security First: Security takes precedence over speed, creating a resilient baseline for all software and reducing the risk of vulnerabilities emerging late in development.
  • Early Integration: Security is embedded from the concept stage onward, making it an inherent part of the development DNA.
  • Shared Responsibility: Security becomes a team effort rather than a developer’s sole responsibility, supported by the visibility and predictability provided by an OPEN SDLC.
  • Automation: Automated security protocols reduce manual, repetitive tasks and minimize disruptions, allowing developers to focus on coding.
  • Continuous Monitoring: Ongoing monitoring identifies emerging issues in real time, protecting applications without requiring extensive developer involvement.

By embedding SecDevOps principles within an OPEN SDLC, organizations adopt a proactive approach to security, one that reduces the workload on individual developers while maintaining a secure and resilient software pipeline.

Reducing Security Costs Through Visibility and Predictability

Critics of shift-left security often cite cost as a sticking point, suggesting that forcing developers to address security early doesn’t always yield financial benefits. However, cost savings are best achieved when security efforts are both predictable and visible, allowing teams to prioritize security issues effectively without unnecessary interruptions. For instance, an OPEN SDLC provides Observability across the pipeline, meaning potential vulnerabilities are flagged precisely when and where they’re most relevant, rather than emerging as surprises in production.

Predictability also helps enhance total cost of ownership by reducing costly, late-stage rework. By understanding where vulnerabilities are likely to arise, teams can address them proactively, embedding resilience into the product. Bloomfilter’s approach to observability and predictability in the SDLC thus enables cost-effective security without adding friction to the development process.

Conclusion: Building Resilient, Future-Ready Software

An OPEN SDLC, when aligned with SecDevOps principles, creates a sustainable path forward for secure software development. By embedding security as an observable, predictable, efficient, and nimble part of the SDLC, Bloomfilter’s approach empowers organizations to build resilient software without disrupting productivity. This balanced approach supports developers, operations, and security specialists alike, making security an integrated part of development rather than an added burden.

As the debate around shift-left security continues, Bloomfilter remains committed to the idea that an OPEN SDLC makes security more manageable, cost-effective, and impactful. Through continuous monitoring and collaboration, teams can proactively protect applications, adapt to new threats, and build software that’s secure by design—equipped to meet the challenges of an ever-evolving digital landscape.

Liz Ryan

Vice President, Operations & Marketing

Liz Ryan is a marketing technology leader with over two decades of experience helping businesses thrive through digital strategies. As the VP of Operations & Marketing at Bloomfilter, Liz oversees go-to-market strategy and operational excellence, empowering the team to deliver exceptional value to customers. Liz’s passion is championing courageous change and developing strategies that propel the company’s vision forward. Previously, as a Principal at Slalom, she utilized her expertise in marketing automation, CRM, and data architecture to transform clients’ marketing technology programs. Her background includes leadership roles at Hansa Marketing Services and founding Relish Tray Media, a marketing services agency she successfully grew before its acquisition. With certifications in HubSpot Marketing and Salesforce Marketing Cloud Email, Liz is deeply committed to leveraging technology to build strong partnerships and drive meaningful results.