Uploaded April 2026 | Updated September 2026, 1 week ago
We explain how to stop insidious calendar phishing attacks that display fraudulent charges as annoying reminders on your devices. Learn effective fraud prevention strategies to enhance your digital safety and protect against online scams. This guide will show you how to combat these malicious calendar injections and improve your email security.
Are fake "ActiveGuard" or "Bitdefender" renewals popping up on your calendar and making your watch vibrate at 3:00 AM? You’re being targeted by a Calendar Injection Scam. This ingenious engagement phishing attack bypasses traditional filters to land directly on your schedule. In this video, I’ll show you how to kill the automation at the source—whether you use Outlook Classic, New Outlook, Gmail, or manage a corporate Microsoft 365 tenant. We’ll cover the exact "Kill Switch" settings and Exchange Admin mail flow rules you need to keep your calendar clean and secure.
#CalendarPhishing #CyberSecurity #OutlookTips
0:00 Introduction to Calendar Phishing Scams
1:14 How the Engagement Scam Works
1:35 Why You Should Never Call or Decline
3:33 The Mechanics of Calendar Injection
4:28 Fix for Outlook Classic Desktop
4:54 Fix for New Outlook and OWA
5:26 Fix for Gmail and Google Calendar
6:35 M365 Admin: Global Mail Flow Rules
7:35 M365 Admin: Target Free Email Accounts
8:42 The Downside of Disabling Auto-Add
We explain how to stop insidious calendar phishing attacks that display fraudulent charges as annoying reminders on your devices. Learn effective fraud prevention strategies to enhance your digital safety and protect against online scams. This guide will show you how to combat these malicious calendar injections and improve your email security.
Are fake "ActiveGuard" or "Bitdefender" renewals popping up on your calendar and making your watch vibrate at 3:00 AM? You’re being targeted by a Calendar Injection Scam. This ingenious engagement phishing attack bypasses traditional filters to land directly on your schedule. In this video, I’ll show you how to kill the automation at the source—whether you use Outlook Classic, New Outlook, Gmail, or manage a corporate Microsoft 365 tenant. We’ll cover the exact "Kill Switch" settings and Exchange Admin mail flow rules you need to keep your calendar clean and secure.
#CalendarPhishing #CyberSecurity #OutlookTips
0:00 Introduction to Calendar Phishing Scams
1:14 How the Engagement Scam Works
1:35 Why You Should Never Call or Decline
3:33 The Mechanics of Calendar Injection
4:28 Fix for Outlook Classic Desktop
4:54 Fix for New Outlook and OWA
5:26 Fix for Gmail and Google Calendar
6:35 M365 Admin: Global Mail Flow Rules
7:35 M365 Admin: Target Free Email Accounts
8:42 The Downside of Disabling Auto-Add










