The network device also receives network traffic associated with the computing device and applies a set of patterns defined by a policy associated with the security class to the network traffic to detect {TAIL ~ a set} of {HEAD ~ network attacks} 
The network device also receives network traffic associated with the computing device and applies a set of patterns defined by a policy associated with the security class to the network traffic to detect { TAIL ~ a set } of { HEAD ~ network attacks }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD