19 December 2013

Virtual Local Area Networks (VLANs) present a number of advantages.  They can add to a layered defence and improve the flexibility of network design.  However, if they are …

19 December 2013

Voice over IP (VoIP)  systems are increasingly popular.  However, IP-based private branch exchanges (PBXs) are being hacked or targeted by toll fraud and distributed denial of service (DDoS) …

19 December 2013

Advanced Persistent Threats (APT) are much talked about and used in a lot of marketing but what exactly are they?  Many commentators indicate that they are more persistent …