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Online Communities

phConnect phConnect: Collaborating for Public Health

phConnect is an online collaboration tool built to support geographically dispersed professionals working in the field of public health. phConnect provides an environment for collaborative work, professional networking, and moving public health forward. By joining phConnect, you will be connected to passionate people engaged in shaping the future of public health. You can connect, learn, share expertise, solve problems, and take advantage of innovative new approaches of working together. Start your own community of practice or join communities already formed that may be of interest. Here are a few examples:

DHS LogoHomeland Security Information Network (HSIN)

The Homeland Security Information Network (HSIN) is a national secure and trusted web-based portal for information sharing and collaboration between federal, state, local, tribal, territorial, private sector, and international partners engaged in the homeland security mission. HSIN is made up of a growing network of communities, called Communities of Interest (COI). COIs are organized by state organizations, federal organizations, or mission areas such as emergency management, law enforcement, critical sectors, and intelligence. Users can securely share within their communities or reach out to other communities as needed. HSIN provides secure, real-time collaboration tools, including a virtual meeting space, instant messaging and document sharing. HSIN allows partners to work together instantly, regardless of their location, to communicate, collaborate, and coordinate.

To learn more about COIs, contact HSIN Mission Advocates via e-mail at HSIN.Outreach@HQ.DHS.GOV

Lessons Learned Information Sharing (

Lessons Learned Information Sharing ( is a Department of Homeland Security/Federal Emergency Management Agency program. serves as the national, online network of lessons learned, best practices, and innovative ideas for the emergency management and homeland security communities. This information and collaboration resource helps emergency response providers and homeland security officials prevent, protect against, respond to, and recover from terrorist attacks, natural disasters, and other emergencies. provides federal, state, local, tribal and territorial responders and emergency managers with a wealth of information and front-line expertise on effective planning, training, and operational practices across homeland security functional areas. includes a library of exclusive documents and user-submitted materials related to all aspects of homeland security and emergency management. Lessons Learned, Good Stories, Notes from the Field, Trend Analysis and Practice Notes produced by are researched in consultation with subject-matter experts or identified in after action reports, but should not be considered peer-reviewed research.

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