IT network security

IT network security and equipment safety are essential for minimizing business risks and damage. BSI publishes international and European standards outlining best practice in these areas.

BS ISO/IEC 27033-1:2009
Information technology. Security techniques. Network security. Overview and concepts  

BS ISO/IEC 27033-2:2012
Information technology. Security techniques. Guidelines for the design and implementation of network security

BS ISO/IEC 18028-5:2006
Information technology. Security techniques. IT network security . Securing communications across networks using virtual private networks   

BS ISO/IEC 18043:2006
Information technology. Security techniques. Selection, deployment and operations of intrusion detection systems

BS ISO/IEC 18045:2008
Information technology. Security techniques. Methodology for IT security evaluation

Managing Security in Outsourced and Off-shored Environments. How to safeguard intellectual assets in a virtual business world

David Lacey

Download Chapter 1 ‘Fundamentals of outsourcing’

Read more about IT security outsourcing 

Delivering and Managing Real World Network Security

Robin Moses and Harry Archer

Read more about delivering secure networks

Securing Email and Electronic Messages

Hans Stiles 

Download a chapter on how to secure email

Read more about securing email and electronic messages