Okta Warns of Vishing Attacks Targeting Microsoft 365 Customers
Summary
Okta has issued a warning about vishing attacks targeting Microsoft 365 customers. Attackers are using phone calls to trick victims into visiting fake Microsoft Entra ID login pages.
IFF Assessment
FOE
This article describes a new attack vector (vishing) that targets users and aims to steal credentials, posing a direct threat to defenders.
Defender Context
This advisory highlights the evolving nature of social engineering tactics, specifically vishing, which can be effective against even technically savvy users. Defenders should reinforce training on recognizing and reporting suspicious calls and emails, and ensure multi-factor authentication (MFA) is robustly implemented and enforced, as it can mitigate the impact of credential compromise.