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iCloud Calendar abused to send phishing via Apple Servers

📅 iCloud Calendar invites are being abused to send callback phishing emails that appear to originate from Apple's servers and pass SPF, DKIM, and DMARC checks. Attackers embed phishing content in the event Notes and invite a Microsoft 365 forwarding address so the message is relayed to targets while Apple remains the visible sender. Treat unexpected calendar invites with unusual messages or requests cautiously; calling listed numbers or granting remote access can lead to fraud, malware, or data theft.