To shorten the time it takes to resolve security vulnerabilities, it's essential to incorporate security into every phase of the software development lifecycle. One method I would implement is the 'Security by Design' principle, which focuses on creating software with as few vulnerabilities as possible. This can be achieved by adopting DevSecOps practices, fostering collaboration among developers, security teams, and operations teams from the project's beginning. I would also suggest utilizing vulnerability scanning and management tools that can continuously identify and address the risk exposure of software applications. Additionally, conducting regular penetration tests can help spot security weaknesses and ensure they are promptly resolved. Furthermore, I would prioritize regular knowledge-sharing sessions and make security training essential. Increasing developers' awareness of secure coding practices and common vulnerabilities is vital for reducing the time spent on fixing vulnerabilities over the long term. Moreover, the practice of analyzing and learning from previous incidents can aid in achieving quicker resolutions.