How to create your own private IM?
One might have encountered lot of private and public chat and real-time communication services like Yahoo! Messenger, IBM Lotus Sametime, eBuddy, AIM etc in the internet as well as in the corporate networks. But most of them are not opensource solutions and you need rights to customize them to suit your own needs. Openfire IM previously known as WildFire and Jive Messenger is a great opensource alternative and a highly customizable solution to those applications which can be used in corporate environments.
Microsoft today 
Over the past few years handful of Indian websites including (.gov.in, and .org) were defaced by Chinese, Pakistani hackers and government is struggling to keep the attackers away. "
Yesterday Australian prime minister Kevin Rudd’s website was compromised in protest against the Government’s new policies over Internet Censorship. Australian media reports the president’s website, 
Virus, Malwares, Worms or Trojans have become common these days as one can find them in softwares, email attachments, scripts from the web, pirated softwares and keygen etc. One has to trust Anti-virus programs mostly to find and delete them but sometimes it doesn’t happen in the way we think and the computer gets infected. No Anti-Virus system is fool proof. Sometimes programmers and users who use pirate programs try to run keygen and others which are 99.9% unsafe and highly untrusted. I have been contemplating with this problem for quite sometime and have come back with few solutions which I have found through Internet. 