It is commonplace today, in education, for employers to provide staff with laptops.
This equipment is often pre-loaded with anti-virus software; however it will not have any suitable solution to control web activity. Inappropriate use of a laptop, be it unsupervised, unattended or by another person may have serious implications.
Brightfilter for Teachers is designed specifically for teachers, and gives the owner full control of what can be viewed on the web as well as enforcing a pre-defined level of access when the equipment is used unsupervised.