Adobe Acrobat Reader: Possible Security Vulnerability When Acrobat JavaScript Is Enabled
It is possible to have security vulnerability in Adobe's Acrobat Reader if the Acrobat Javascript option is enable.
When the option is enabled and you open a crafted PDF file with Adobe Reader that allows JavaScript execution, your computer will be exposed to security risk - hacker may able to access your valuable data from your hard disk.
Wordpress: Version 2.8.6 Security Release
Wordpress 2.8.6 has been released for security updates. The major changes are to fix two security problems that can be exploited by registered, logged in users who have posting privileges. So make sure you upgrade your Wordpress as soon as possible.
Read more: WordPress 2.8.6 Security Release
Download: Wordpress 2.8.6
Windows Live Messenger: Beware of Unsolicited Messages Sent From Your Friends’ Live Account
Recently (Starting from the beginning of the year), I received quite a lot of messages with links from my friends' Live account on Windows Live Messenger. The messages were sent by my friends' intention and some of the messages were sent as offline messages.
As discover by a few other bloggers (LiewCf and CyberHQ), the links in the messages will redirect you to a MSN phishing site and ask you to key your Live account's username and password. The phishing site tries to trick you by showing you "your images" that have been uploaded to Live website if you login into your Live account.

Get Paid to Be a Hacker!
Have you ever thought getting paid to be a hacker? I said a “hacker” but it is an ethical hacker. Many people misunderstand the word “hacker”. Unlike cracker, a hacker is always ethical.
So what does an ethical hacker do? An Ethical hacker (or the white hat hacker) is a computer expert with great knowledge in computer and network security. He or she attacks on systems on behalf of the system owner to seek for vulnerabilities that a cracker could exploit. The activity carried by a hacker is called Ethical Hacking.

Wordpress: Make Your Wordpress A Little Bit More Secure
When you login into your Wordpress Admin using wrong username, your Wordpress will prompt you an error message: Invalid username.
When you login into your Wordpress Admin using wrong password, your Wordpress will prompt you an error message: Incorrect password.
You may not notice the two error messages above actually give the intruder some hints about your login information.
Gmail: How to Monitor Your Mail Account Activities
How do you know your Gmail account's actitivies like the date and time when you signin, access type (mobile, web and etc) and the IP addresses where you signin your Gmail mail account.
Sometime you may have signed in at other PC (like cyber cafer, friends's house and etc) and may have forgotten to sign out. How can you ensure that all your Gmail mail account sessions has been signed out.

