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Security Attacks :Passive Attacks and Active Attacks

Security attacks

Passive attacks

Active attacks

Interception

(confidentiality)

Interruption

(availability)

Modification

(integrity)

Fabrication

(integrity)

release of

message contents

traffic analysis

source

destination

1. normal flow

source

destination

2. interruption

source

destination

3. interception

source

destination

4. modification

source

destination

5. fabrication

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