“The memo recommends numerous safety precautions, including not displaying work badges in public, being careful with public conversations and using caution on all social networks. It also recommends DHS employees ‘always keep doors and windows locked’ and ‘be aware of unexpected changes in and around your home.'”
Read more: https://www.cbsnews.com/news/homeland-security-memo-today-increased-threats-2018-06-23/