Air Security International's Hot Spots: Detailed listing of security related news items from around the world updated daily.
Australian Department of Foreign Affairs and Trade: Official travel advice for Australians covering all destinations.
expatexchange.com: Registration for email newsletters containing critical travel warnings designed for US expatriates.
Fielding's DangerFinder: A somewhat 'gung ho' approach to dangerous places but contains detailed information about how to keep safe in some of the world's most dangerous places. Also has a traveller's bulletin board.
Foreign Affairs Canada: Travel Reports: Canadian government's official travel advice.
iJET Travel Intelligence: Commercial organisation providing detailed travel advice and warnings for various destinations.
Kroll - The Risk Consulting Company: Risk assessments for business travellers in the Middle East and Argentina. Register for email newsletter.
Lonely Planet Thorntree: The Lonely Planet travel guides' message board. Contains detailed questions and answers from travellers about the current situation in most places.
Overseas Advisory Council (OSAC): Private/US Government partnership. Issues travel advisories and announcements. Database of news items related to overseas incidents, mostly specific to US interests.
Red 24: Security service with threat level analysis for business and personal travel itineraries.
Sign in Safe: Offers the latest travel safety news, along with tools to monitor the safety of people as they travel.
Travel Safety Information: Official travel advice and warnings from the New Zealand government.
U.S. Department of State: Travel Warnings & Consular Information Sheets: US government's official travel advice and travel warnings. Registration for automated email updates.
UK Foreign & Commonwealth Office: Travel Advice by Country: British government official travel advice and warnings for all countries.