Which of the following is true related to network sniffing?
A.
Sniffers allow an attacker to monitor data passing across a network.
B.
Sniffers alter the source address of a computer to disguise and exploit weak authentication
methods,
C.
Sniffers take over network connections.
D.
Sniffers send IP fragments to a system that overlap with each other.
Explanation:
Sniffing is the action of capture / monitor the traffic going over the network.
Because, in a normal networking environment, account and password information is passed along
Ethernet in clear-text, it is not hard for an intruder to put a machine into promiscuous mode and by
sniffing, compromise all the machines on the net by capturing password in an illegal fashion.
Sniffers are also used as technical controls by organizations to monitor their employee’s incoming and outgoing traffic to detect abuse of email and Internet usage.
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