Three Lessons Learned While Upgrading From Legacy Security To Zero Trust
Zscaler, Wednesday, October 15th, 2025
At Oxfordshire County Council, our existing network and security infrastructure was nearing end-of-life, and we were at a crossroads.
Should we stick with the old way of managing security, and just upgrade to newer versions of, essentially, the same legacy solutions? Or should we embark on a zero trust digital transformation?
We chose to completely rethink our IT environment, leveraging the Zscaler Zero Trust Exchange to simplify our infrastructure, support our cloud-first ambitions, and strengthen our security posture. Today, we are a cloud-first organization operating without the burden of wide area networks (WANs), data centers, legacy security appliances, or multiple point solutions. We enjoy greater agility and simplified security administration without compromising our edge.