Please be careful with email, weblinks and Facebook as malicious threats are circulating. Several security firms are warning of online dangers:

Halloween 2011 – More online Tricks are circulating than treats

QUOTE: Halloween is fast approaching and it’s that time of the year when scaring people is the most popular form of entertainment. However, not all spooks this season may end up in good-natured merriment. Cybercriminals may take this opportunity to scare users with their tricks, which include spammed messages, poisoned search results, spammed tweets with dubious links and Facebook clickjacking attacks. If not wary of these schemes, users may end up becoming victims of information theft, system infection, and even financial loss.