KnowBe4 - “Being Annoying” as a Social Engineering Approach

“Being Annoying” as a Social Engineering Approach in MFA Attacks

Attackers are spamming multifactor authentication (MFA) prompts in an attempt to irritate users into approving the login, Ars Technica reports. Both criminal and nation-state actors are using this technique. Researchers at Mandiant observed the Russian state-sponsored actor Cozy Bear launching repeated MFA prompts until the user accepted the request.



from KnowBe4 Security Awareness Training Blog https://blog.knowbe4.com/being-annoying-as-a-social-engineering-approach

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