Network security systems protect networks and their services from
unauthorized modification, destruction, or disclosure, and assures that
the network performs its critical functions correctly. Network security is
essential for business that rely on computer systems. Proper safeguarding
of everything associated with a network, including data, media, and
equipment is vital for companies to function effectively in globally
integrated business environments. Companies that provide network security
provide administrative functions, such as threat assessment, technical
tools and facilities, such as cryptographic products, and network access
control products, such as firewalls. They will also make certain that
network resources are used in accordance with a prescribed policy and only
by people who are authorized to use these resources. Network security also
includes providing for data integrity.
There are many companies providing Network Security solutions; those
listed on this page are some of the leaders in the industry
