Shifting Security Left in DevOps: How to Catch Bugs Early and Deliver Faster (and More Secure) Software
This blog post explores how DevSecOps practices can be improved by Shifting Security Left (SSL) in the development lifecycle. SSL emphasizes integrating security measures throughout the development process, rather than waiting until the later stages.
The blog defines SLO (Service Level Objective) as a target metric within an SLA (Service Level Agreement) that defines the desired performance for a service. In DevSecOps, SLOs can target application uptime, response times, or security vulnerability fix rates.
Implementing Shift-Left security involves planning (threat modeling, acceptance criteria, SLOs) and implementation (automating security checks throughout the development pipeline).
Benefits of SSL include early bug detection, improved developer security awareness, faster releases, and reduced risk. Challenges include cultural shifts and training needs within an organization.
The blog concludes by acknowledging the importance of incident management even with SSL. It introduces Squadcast, an incident management tool designed for SRE teams, as an alternative to Pagerduty.














