04/18/2017
Follow these steps to protect your network.
https://www.us-cert.gov/ncas/current-activity/2015/07/31/Best-Practices-Protect-You-Your-Network-and-Your-Information
The following are example best practices you should implement as part of your cybersecurity strategy: add two-factor authentication, block malicious code, limit privileged users, segment network, lock backdoors