Guardz uncovered an advanced phishing campaign exploiting Microsoft 365 infrastructure.The cyberattack involved manipulating trusted Microsoft 365 services for credential harvesting.Guardz disrupted the campaign targeting its customers, showcasing evolving cyber threats.Adversaries exploited Microsoft 365 properties to embed phishing content within legitimate emails.The attack involved acquiring multiple Microsoft 365 tenants and configuring deceptive tactics.Phishing lures were disguised in billing emails from authentic Microsoft sources.The attackers used official Microsoft channels to deceive recipients and evade detection.Guardz recommended enhanced detection tools and user training to combat such threats.The company's unified security platform effectively mitigated the phishing attack.Guardz aims to provide AI-powered cybersecurity solutions for SMBs to combat cyber threats.