Without proper safeguards,every part of a network is vulnerable to a security breach or unauthorized activity from（ ）,competitors,or even employees.Many of the organizations that manage their own （本题）network security and use the Internet for more than just sending/receiving e-mails experience a network（ ）—and more than half of these companies do not even know they were attacked.Smaller （ ）are often complacent, having gained a false sense of security.They usually react to the last virus or the most recent defacing of their website.But they are trapped in a situation where they do not have the necessary time and（ ） to spend on security.

Without proper
safeguards,every part of a network is vulnerable to a security breach or
unauthorized activity from（ ）,competitors,or even employees.Many of
the organizations that manage their own
（本题）network security and use
the Internet for more than just sending/receiving e-mails experience a
network（ ）—and more than half of these companies do
not even know they were attacked.Smaller
（ ）are often complacent,
having gained a false sense of security.They usually react to the last virus
or the most recent defacing of their website.But they are
trapped in a
situation where they do not have the necessary time and（ ）
to spend on security.