December 2017
Intermediate to advanced
410 pages
11h 5m
English
In this scenario, a user has requested for a payment of $100 from a payment server. The Attacker who is sitting in the middle has altered the contents (the email address field) from zeal@kplabs.in to attacker@eg.internal and forwarded the traffic to the Web Server.
In this case, the integrity of the data is broken and there is no way for a server to verify if this was the intended message:

To avoid such scenarios, and many more possibilities, various cryptographic standards were clubbed together to establish a secure communication over an untrusted network and they were known as SSL/TLS. ...
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