DevOps observability is crucial for organizations aiming to enhance software delivery speed, quality, reliability, and security amid the pressures of digital transformation. This approach not only aids DevOps and DevSecOps teams in automating processes, but also helps in overcoming challenges posed by siloed data and manual tasks. As organizations aim to release software more frequently, DevOps practices, often complemented by Site Reliability Engineering (SRE), are essential for achieving digital transformation and optimizing the software development lifecycle (SDLC). Continuous integration and delivery (CI/CD) practices streamline development and deployment, while service-level objectives (SLOs) ensure service quality. Integrating security into DevOps through DevSecOps helps address security concerns early in the process, offering protection against vulnerabilities like Log4Shell. Observability tools play a vital role in implementing these methodologies, facilitating proactive testing through chaos engineering and automating lifecycle orchestration to support application security and efficiency in cloud environments.