Read the original article at https://blog.knowbe4.com/being-annoying-as-a-social-engineering-approach
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.
Read the original article at https://blog.knowbe4.com/being-annoying-as-a-social-engineering-approach