Monthly Threat Report September 2025

The Monthly Threat Report by Hornetsecurity brings you monthly insights into M365 security trends, email-based threats, and commentary on current events in the cybersecurity space. This edition of the Monthly Threat Report focuses on industry events and content from...

iCloud Calendar Exploited to Push Phishing Emails Via Apple Servers

Scammers exploit Apple’s trusted email system to distribute callback phishing scams. Callback scams disguised as payment alerts Threat actors are abusing Apple’s iCloud Calendar feature to distribute phishing emails that appear to originate directly from Apple’s...