Security incidents such as virus infection or hacking of machines in the Student Residence (SR) have been a recurrent and serious problem faced by the Computing Services Centre (CSC) since the inception of the SR. Causes leading to the current situation are many, some of them are: Lack of security ...

Since many easy-to-use and powerful Internet applications are now readily available, more and more people in CityU are making use of the Internet for their daily studies, researches and electronic communication of all forms. In addition, with an increasing number of students living in hostels, the ...

Unsafe attachments of e-mails may threaten the security or integrity of the recipient's computer when they are opened. For example, opening an e-mail attachment with extension such as ".exe", ".vbs" or ".scr" causes it to be executed as a program. Executing a malicious program may unleash harmful ...

The Sasser virus and its variants have been rampaging on the Internet since May 2004. According to the information provided by Symantec, Sasser is an Internet worm spreading through the MS04-011 (LSASS) vulnerability. This vulnerability is caused by a buffer overrun in the Local Security Authority ...

Spam, or junk mail, refers to unsolicited commercial e-mail (UCE) and unsolicited bulk e-mail (UBE). Example includes unsolicited advertisements. Spam spreads everywhere on the Internet nowadays and create problems to most of the e-mail users. Although e-mail companies and standards bodies are ...

In the early days, as long as computer viruses were transferred by floppy disks, they spread slowly. However, e-mail has changed all that. Now you can exchange files much more quickly and infecting your PC is as easy as clicking on an icon - or easier. E-mail has become the biggest source of viruses ...

In August 2003, the MS Blaster worm got through a known security loophole in Microsoft Windows and attacked millions of computers around the world, resulting in an enormous economic loss. Actually, this disaster could have been avoided if users had applied the security patch MS03-026 released a few ...

Everyday, when you are working with your PC in your office drawing up important documents, and utilizing resources offered by the campus network, have you ever wondered if your data is 100% safe or whether there is protection of any sort to prevent intrusion from outsiders? In order to untangle some ...