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SK0-004 · Question #843

An administrator wants to harden the security on a web server used for e-commerce. A security scanner provides a brief summary of the web server: The administrator wans to provide better security…

The correct answer is A. Disable SSL 2.0 and 3.0. Disabling SSL 2.0 and 3.0 removes deprecated, vulnerable protocols that expose e-commerce data in transit to known attacks such as POODLE and DROWN.

Security and disaster recovery

Question

An administrator wants to harden the security on a web server used for e-commerce. A security scanner provides a brief summary of the web server:

The administrator wans to provide better security for data in transit. Which of the following would BEST accomplish this?

Exhibit

SK0-004 question #843 exhibit

Options

  • ADisable SSL 2.0 and 3.0
  • BUse a more secure password hashing algorithm.
  • CEnable disk encryption.
  • DUpgrade the OS to a newer version.
  • EUpgrade the web service to a newer version.

How the community answered

(46 responses)
  • A
    78% (36)
  • B
    11% (5)
  • C
    2% (1)
  • D
    2% (1)
  • E
    7% (3)

Why each option

Disabling SSL 2.0 and 3.0 removes deprecated, vulnerable protocols that expose e-commerce data in transit to known attacks such as POODLE and DROWN.

ADisable SSL 2.0 and 3.0Correct

SSL 2.0 and 3.0 contain well-documented cryptographic weaknesses and are deprecated in favor of TLS 1.2 and 1.3. Disabling these protocols directly addresses data-in-transit security by eliminating the attack surface they create. This is a standard hardening step for any web server handling sensitive financial transactions.

BUse a more secure password hashing algorithm.

Password hashing protects stored credentials at rest and does not affect the encryption of data as it travels across the network.

CEnable disk encryption.

Disk encryption protects data at rest on the server's storage, not data being transmitted between the client and server.

DUpgrade the OS to a newer version.

Upgrading the OS is a general hardening measure but does not specifically address the insecure transport protocols used for data in transit.

EUpgrade the web service to a newer version.

Upgrading the web service version may patch other vulnerabilities but does not directly disable the deprecated SSL protocols identified as the in-transit risk.

Concept tested: Disabling deprecated SSL protocols for transport security

Source: https://learn.microsoft.com/en-us/windows-server/security/tls/tls-ssl-schannel-ssp-overview

Topics

#SSL/TLS#web server hardening#data in transit#protocol security

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