The Cybersecurity and Infrastructure Security Agency (CISA) has released 4 new best practices for security https://www.us-cert.gov/ncas/current-activity/2019/09/20/cisa-releases-four-new-insights-products Each of the following products provides a description of the threat, lessons learned, recommendations, and additional relevant resources: Mitigate DNS Infrastructure Tampering Remediate Vulnerabilities for Internet-Accessible Systems Secure High Value Assets Enhance Email and Web Security