What are Vulnerability Scanners? Vulnerability scanners check your network against a database of known vulnerabilities; such a database is usually compiled from respectable resources such as CVE (http://cve.mitre.org) or OVAL (http://oval.mitre.org). They can also check for administrative oversights such as …

Whether your servers run Windows or Linux, whether your workstations are Windows 7 or Macs, and no matter what vendor your network gear comes from, one of the most critical administrative tasks for admins of any system is patching. With …

Open up Server Manager and click on ‘Add Roles’. At the ‘Before You Begin’ page, click Next. Select ‘Hyper-V’ from the list of Roles in the ‘Select Server Roles’ page and click Next through the wizard until you get the …

Recently an interesting story broke out where Theo de Raadt (OpenBSD project Manager) received an email from Gregory Perry, former CTO of NETSEC claiming that about 10 years ago the FBI paid developers working on the IPSEC implementation of OpenBSD …

Following a comment by one of our valued readers, Patrick, I decided to write an article about Sniffing because the subject is way too broad to discuss via comments. Patrick mentioned an event which happened recently. A Chinese Telecommunications company …

In today’s world, the main reason why IT organizations are considering virtualization of some, or all, of their computing infrastructures is that the technology helps reduce costs drastically. Consider, for example, the case of the server infrastructure where you would …

The switch to 64 bit was an essential step for computing; however, the bliss of having the extra addressing space was not all that we got unfortunately. The mixture of 32 bit and 64 bit environments has been a source …

The holidays are coming with a large number of security updates releases from vendors. So far this month we already have the following important updates: Google Chrome version 8.0.552.215 was released on 2nd December with 13 security fixes, 4 of …

We have always been taught that once your system is compromised you need to either restore a clean backup or re-install the system in order to be safe. This is because the person who compromised the machine might have installed …

Welcome back. In part one, we explained the importance of understanding the threats against your network and looked at three common hacking techniques that the bad guys might use against you. They included Attacking Defaults, SQL Injection, and Exploiting Unpatched …