Possible security threats inherent in a local-area network (LAN) environment include passive and
active threats. Which of the following is a passive threat?
Denial of message service
Masquerading
Traffic analysis
Modification of message service
Solution
c. Traffic analysis
Passive threats do not alter any data in a system. They simply read information for the purpose of
gaining some knowledge. Because there is no alteration of data and consequently no audit trail
exists, passive threats are difficult to detect. Examples of passive threats include traffic analysis.
If an attacker can read the packet header, then the source and destination of the message is
known, even when the message is encrypted..
Possible security threats inherent in a local-area network (LAN) env.pdf
1. Possible security threats inherent in a local-area network (LAN) environment include passive and
active threats. Which of the following is a passive threat?
Denial of message service
Masquerading
Traffic analysis
Modification of message service
Solution
c. Traffic analysis
Passive threats do not alter any data in a system. They simply read information for the purpose of
gaining some knowledge. Because there is no alteration of data and consequently no audit trail
exists, passive threats are difficult to detect. Examples of passive threats include traffic analysis.
If an attacker can read the packet header, then the source and destination of the message is
known, even when the message is encrypted.
