1. A computer-implemented method comprising: receiving computer program data at a security unit having one or more processors; implementing one or more security-related modifications to the computer program data, resulting in creating modified computer program data; executing the modified computer program data in a monitored environment; analyzing output from the modified computer program data and identifying one or more variances from an expected output; performing a responsive action selected from one or more of: disabling one or more security protections that have been implemented in the modified computer program data; reducing or increasing the stringency of one or more security protections that have been implemented in the modified computer program data; updating the security unit based on the variances; wherein the method is performed using one or more processors.