Security

DNS level security system is one of the easiest ways to implement. No need to update the signatures locally. Because all the updates happening in server side itself. And the main advantage I noticed is there is no softwares ( client application ) required. Open DNS is secured DNS service, In addition they launched a new service called Family Shield, …

SSH security has to be taken care when Linux server is up and running. Most administrators tend to install an SSH server and leave it at its default settings, typically to allow password authentication and root logins . There are few parameters in /etc/ssh/sshd_config which can be changed to securing SSH. Open /etc/ssh/sshd_config and add the below line PermitRootLogin no …

Dear Readers, If you are an orkut user, Please stay away from orkut until it fix the virus problem. An attack happened on Orkuts new version. Many people got corrupted profile and they automatically adding some groups to their profile. if friend click on the link it will affect in their profiles too. It is a major XSS (cross-site scripting) …

An Electronic Mail that you all know is a better and fastest mean of communication.To implement intuitive , efficient and useful Emails we need to control spams / virus mails. For a mail administrator its too much tough to control spamming mails. There are many organizations like SpamHaus which help in controlling spams. By watching the below statics you can see …

Sometimes back I got a chat message from one of my friend, And the message was like this “When you get on, can you take a look at this picture and tell me what you think? ” and there was a link to a file named MVS-Photo04.JPG.zip. It was containing a virus called backdoor.Win32.Agent.riu its also known as Trojan.Delf.PKZ. The …

Copssh is an ssh server for windows operating systems, this application is based on Openssh and cygwin. OpenSSH is a free solution for SSH server. And Cygwin is a Linux-like environment for Windows, cygwin1.dll is giving the functionality of Linux. By implementing copssh we can access our windows servers in a secure way.

In our previous article we explained the steps for windows. Here you can find the steps to identify the service running in a port on linux . Here we used commands “fuser” and “PS”. I am using apache2 web server  on port 80. Replace your port number with 80 (my example with port 80 ) Run following command to find …

This is a Remote code execution vulnerability of internet explorer. Attackers can install Trojan virus without their knowledge. Many attack incidents are reported in Chinese sites.

We are extremely happy to announce the much awaited Matriux Open Source Security Distribution released at Club Hack 2009. Now it is available for download from www.matriux.com The Matriux is a phenomenon that was waiting to happen. It is a fully featured security distribution consisting of a bunch of powerful, open source and free tools that can be used for …

Here is a list of Online Anti-virus scanners from popular antivirus software vendors. And it is not a substitute for antivirus software’s. But sometimes virus corrupt the antivirus and even we cant install or reinstall a new antivirus. Also if your current antivirus is not detecting & cleaning the virus, in this situations you can use online antivirus scanners. Most …