With the popularity of free public WIFI new precautions need to be taken when using your mobile device on the road free public wifi is a great public service but it can come with severe security risks In this post I will show you how to protect your connection on a public wifi connection using […]

Hello all, In this post I want to cover ways to mitigate against unauthorized devices connecting to a switch for instance in a public library or a internet cafe where the access switch can be access by the public just to set the stage for this example there is a internet cafe called bobs internet

Preventing unathorized devices from connecting to cisco switchRead More »

Hello Everyone, So lately I’ve been busy focusing on WI-FI security I plan on doing a series of posts on the subject very soon, I wanted to share a presentation that I put together while attending a course at Sheridan college here in Ontario the subject of the class was about Linux administration I was

Recent Presentation on Systems and Network SecurityRead More »

Hello All, this post is directed to businesses and IT pros who have to deal with spam issues Do you have a issue with spam ? A way to mitigate spam attacks with ease can be done with a couple of different things such as proper mail server configuration protecting internal emails from being published

Mitigate Spammers With Barracuda Antispam GatewaysRead More »

Recently i was able to capture some real data from my servers fail2ban logs this is how fail2ban logs look for banning ips 2012-10-21 12:54:16,032 fail2ban.actions: WARNING [ssh] Ban 2012-10-22 17:05:48,080 fail2ban.actions: WARNING [ssh] Ban 2012-10-22 18:36:55,892 fail2ban.actions: WARNING [ssh] Ban 2012-10-22 23:23:10,053 fail2ban.actions: WARNING [ssh] Ban 2012-10-23 05:06:53,861 fail2ban.actions: WARNING

a little continuation of my fail2ban postRead More »

Here is what a ssh bruteforce attack looks like from a  cisco router log uthentication Failed] at 01:13:18 UTC Sun Sep 30 2012*Sep 30 01:13:18.463: %SEC_LOGIN-1-QUIET_MODE_ON: Still timeleft for watching failures is 0 secs, [user: root] [Source:] [localport: 22] [Reason: Login Authentication Failed] [ACL: 100] at 01:13:18 UTC Sun Sep 30 2012*Sep 30 01:13:24.967:

SSH bruteforce attack on cisco routers and ways to stop it !Read More »

everyday millions and millions of computers around the world are compromised and the users of these computers don’t even know from the big corporations to the home users  everyone is at risk and the scary part about it is that most of the users of the computers don’t even know !!!the problem is  number one

The misconceptions about network security for both home and businessRead More »