Secure HTTP (S-HTTP)

An extension to the HTTP protocol to
support sending data securely over the web.
• Difference from SSL:
– SSL is designed to establish a secure connection
between two hosts.
– s-HTTP is designed to send individual messages

Some Features:
– Provides a variety of security mechanisms to HTTP
clients and servers.
– Does not require client-side public certificates (or
public keys), as it supports symmetric key-only
operation modes.
– Provides full flexibility of cryptographic algorithms.
• s-HTTP and HTTPS are not the same.
• HTTPS is an alternative to s-HTTP.
– HTTP runs on top of SSL or TSL.

What is a Penetration Test?

A process of actively evaluating the
information security measures in an
• Most common procedure:
– The security measures are actively analyzed for
design weaknesses, technical flaws and
– Results are delivered in a comprehensive report.

Ethical Hacking ….

Definition of ethical hacking
– A situation where a computer and network expert
attacks a security system on behalf of its owners,
seeking vulnerabilities that a malicious hacker
could exploit.
– To test a security system, ethical hacking uses
the same methods as their less principled
counterparts (hackers), but report problems
instead of taking advantage of them.
• Also called penetration testing.

Why is it Required?

There are several reasons why organizations
choose to perform a penetration test.
– To identify the threats facing the information
assets of the organization.
– Reduce the IT security costs by identifying and
resolving vulnerabilities and weaknesses.
– Provide the organization with information
– Gain and maintain certification to an industry
regulation (BS7789, HIPAA, etc.).

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