DNS/FBIwarningについて、ここに記述してください。
Recommended Mitigations
Users should pay close attention to the spelling of web addresses, or websites that look trustworthy but may be close imitations of legitimate Census Bureau websites.
Devise a continuity of operations plan for a potential cyber attack; prioritize the systems most important to continued operations.
Ensure the SSL (Secure Sockets Layer) certificate is present, and the top-level domain is “.gov” for the website.
Regularly patch operating systems, software, and firmware.
Update anti-malware and anti-virus software and conduct regular network scans.
Use multi-factor authentication where possible.
Audit networks and systems for unauthorized remote communication.
Disable or remove unneeded software, protocols, macros, and portal