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CV0-002 · Question #294

An organization is replacing its internal human resources system with a SaaS-based application. The solution is multi-tenant, and the organization wants to ensure ubiquitous access while preventing…

The correct answer is B. Require and implement two-factor authentication. To prevent password replay attacks in a multi-tenant SaaS application while ensuring ubiquitous access, implementing two-factor authentication (2FA) is the most effective mitigation strategy. 2FA adds an extra layer of security, making it difficult for attackers to use stolen…

Security

Question

An organization is replacing its internal human resources system with a SaaS-based application. The solution is multi-tenant, and the organization wants to ensure ubiquitous access while preventing password replay attacks. Which of the following would BEST help to mitigate the risk?

Options

  • AImplement destination resources authentication.
  • BRequire and implement two-factor authentication.
  • CRemove administrator privileges from users' laptops.
  • DCombine network authentication and physical security in one card/token.

How the community answered

(30 responses)
  • A
    3% (1)
  • B
    73% (22)
  • C
    17% (5)
  • D
    7% (2)

Why each option

To prevent password replay attacks in a multi-tenant SaaS application while ensuring ubiquitous access, implementing two-factor authentication (2FA) is the most effective mitigation strategy. 2FA adds an extra layer of security, making it difficult for attackers to use stolen credentials.

AImplement destination resources authentication.

Implementing 'destination resources authentication' is a vague term that does not specify a particular technology or method to prevent replay attacks.

BRequire and implement two-factor authentication.Correct

Requiring and implementing two-factor authentication (2FA) significantly mitigates password replay attacks because even if an attacker intercepts a password, they would also need the second factor (e.g., a one-time code from a mobile app or a hardware token) to gain access. This makes stolen credentials useless for replay attacks.

CRemove administrator privileges from users' laptops.

Removing administrator privileges from users' laptops is good security hygiene for endpoint protection but does not directly prevent password replay attacks against a SaaS application.

DCombine network authentication and physical security in one card/token.

Combining network authentication and physical security in one card/token does not inherently prevent replay attacks against a SaaS application unless specifically integrated into a robust multi-factor authentication scheme for that application.

Concept tested: Mitigating password replay attacks with 2FA

Source: https://learn.microsoft.com/en-us/azure/active-directory/authentication/concept-mfa-howitworks

Topics

#MFA#Password replay attack#SaaS security#Authentication security#Multi-factor authentication

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