Without propersafeguards,every part of a network is vulnerable to a security breach orunauthorized a

Without propersafeguards,every part of a network is vulnerable to a security breach orunauthorized activity from（ ）,competitors,or even employees.Many ofthe organizations that manage their own（ ）network security and usethe Internet for more than just sending/receiving e-mails experience anetwork（本题）—and more than half of these companies donot even know they were attacked.Smaller（ ）are often complacent,having gained a false sense of security.They usually react to the last virusor the most recent defacing of their website.But they aretrapped in asituation where they do not have the necessary time and（ ）to spend on security.
A：attack
B：collapse
C：breakdown
D：virus

(中级)网络工程师     propersafeguards     vulnerable     中级     security     工程师