The Army “found no relational improvement difference in cybersecurity outcomes between the annual training and other less burdensome forms of awareness,” according to a senior service official.

“I would strongly encourage you to be sort of red-teaming yourselves and looking at your own vulnerabilities,” Terry Kalka told members of industry.

The warning comes amid what the officials described as a rapidly changing threat environment, one that allows for low-level criminals to adopt sophisticated cyber exploitation methods and…