Microsoft has issued a warning about a sophisticated phishing campaign targeting U.S. organizations, particularly in the healthcare and financial sectors, which has seen over 35,000 attempts to lure victims through emails disguised as internal compliance messages. The campaign employs advanced techniques, including adversary-in-the-middle phishing, to capture authentication tokens and gain access to targeted accounts.
The most valuable insight for you, considering your expertise in cybersecurity and interest in threat intelligence, is the sophisticated phishing campaign discovered by Microsoft, which uses a "code of conduct review" theme to target mainly U.S. organizations. This campaign uses adversary-in-the-middle (AiTM) phishing to intercept authentication traffic and bypass non-phishing-resistant multifactor authentication (MFA). To mitigate such threats, ensure your organization employs phishing-resistant MFA solutions and utilize Microsoft's provided threat-hunting queries and indicators of compromise (IoCs) for proactive defense.