Lec:3-2 Message Confidentiality Violations

message confidentiality violations:
a- missdelivery: a destination address is modified or some handler malfunctions causing a message to be delivered to someone other than the intended recipient.
b- exposure: along the way the content of a message is exposed in temporary buffers at switches, routers, gateways, and intermediate hosts throughout the network.
c- traffic flow analysis.
2.2.4 message integrity (correctness) violations:
a- falsification of messages:
• change the content of a message.
• change any part of the content of a message.
• replace a message entirely.
• reuse an old message.
• change the apparent source of a message.
• redirect a message.
• destroy or deleting a message.
b- noise: signals sent over communications media are subject to interference from other traffic on the same media, as well as from natural sources, such as lightning, electric motors, and animals. such unintentional interference is called noise.
2.2.4 message integrity (correctness) violations:
a- falsification of messages:
• change the content of a message.
• change any part of the content of a message.
• replace a message entirely.
• reuse an old message.
• change the apparent source of a message.
• redirect a message.
• destroy or deleting a message.
b- noise: signals sent over communications media are subject to interference from other traffic on the same media, as well as from natural sources, such as lightning, electric
motors, and animals. such unintentional interference is called noise.