In this final installation of Trend Micro three-part blog series, Trend Micro researchers lay out countermeasures that enterprises can do to protect their machines. They’ll also discuss their responsible disclosure as well as the feedback they got from the vendors they evaluated.
Trend Micro found that only two of the four vendors analyzed support authentication. Neither of them has authentication enabled by default, which leaves the machines vulnerable to attacks by malicious users. Enabling authentication is essential for protecting Industry 4.0 features from abuse.
Source: Trend Micro
Related story: Industry 4.0: CNC Machine Security Risks – Part 2