Rip and replace can create security issues

When IT leaders think about “rip and replace” efforts, the first thoughts that probably come to mind are about the potentially huge cost and the inevitable disruption to the business. But these massive system replacement efforts also create different security worries for the organization.
The irony is that either the older system or the new system might be the better one from a basic security standpoint, determined in large part by how seriously the organization takes security from