Absolute Arts.  
Daily art news. And you can subscribe for email Arts News Service free delivered Monday, Wednesday and Friday of every week. 
 

Museum Security Mailing List
http://www.museum-security.org/
A free subscription daily news service emailed to you. It has excellent items related to museum security, theft, forgery etc., along with daily reports of security problems. 
  

Des Griffin
www.desgriffin.com 
Former Australia Museum Director, now consultant, Dr. Des Griffin has developed a web site with an extensive list of global museum news items and management resources.