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A large number of iCloud users have reportedly received spam in the form of unsolicited Calendar event invitations over the last week.

Suspect Black Friday offers for cheap goods have been appearing in personal iCloud calendars, with the default options to "Accept", "Maybe" or "Decline" appearing at first to be the only way to respond to them.

Screen-Shot-1-5-800x163.jpg

Unfortunately choosing any of these options simply notifies the spammer that the account is active and ready for more unsolicited offers. Instead, users are advised to try the following alternative method for removing the spam events on their iOS devices.

  1. Open the Calendar app and tap the "Calendars" button at the bottom of the screen.

    Tap the Edit button and on the next screen, select the "Add Calendars" option.

    Give the calendar an easily recognizable throwaway name, like "Spam", and tap "Done" at the top of the screen until you're back on the Calendar screen.

    Select the spam invitation and move it to the "Spam" calendar you just made.

    Tap the "Calendars" button at the top of the screen, tap the "i" button next to the Spam calendar, and on the next screen, tap "Delete Calendar" at the very bottom of the screen menu.
calendar-spam-800x710.jpg

That should rid you of the unwanted spam event, leaving spammers none the wiser.

Update: Some readers have noted another option is to change iCloud calendar settings to receive event notifications by email rather than as in-app notifications. Logging into iCloud via a web browser, open the Calendar, click the cog in the bottom left corner to go to Preferences -> Advanced and then select "Receive event invitations as: Email". This lets users delete the spam calendar events as emails instead.

(Thanks, Jeff!)

Article Link: How to Delete iCloud Calendar Spam Without Alerting Spammers
 
I don't understand why Apple allows total strangers to add events to your calendar just because they have your email address. What a huge oversight.

It's not just Apple - Google, Microsoft and every other "groupware" provider has exactly the same functionality: It's not adding them to your calendar, but sending you an invitation to an event that shows in your calendar as tentative until it's accepted or declined. Technically, it's no different than sending an email to someone (the invitations are sent via email)

What Apple can do to improve the situation though is to provide an easy way of deleting an invitation without sending a reply and also improve their spam filtering to block out the worst of the senders. Maybe another option would be to allow people to restrict invitations to people only on your contact list but that could be too restrictive for some people

You can also disable in-app notifications about invitations and receive them via email which would stop them automatically appearing in your calendar
 
Hi,
@iRockMan1, the events are not added thanks to your email, but thanks to in-app notifications.

This post is good to remove existing invites, but if you want to prevent them (you will still need to remove the existing ones following this post procedure), see the approved comment @
http://apple.stackexchange.com/questions/258424/spam-icloud-calendar-invitation

to sum-up:
1- login to you icloud account (via an internet browser),
2- go to the calendar
3- click on the wheel (bottom left corner),
4- Preferences
5- Advanced
6- in invitations menu, select Email to instead of In-app notifications.

Also, good practice, never ever refuse a spam invitation, or unsubscribe to a spam mailing list, it will just tell the spamer that your mail is in use :)
Cheers,
Cedric.
 
I wish Apple would address this, so we don't have to use this kludgy work arounds

Log into iCloud via the web, go into the Calendar app, Preferences -> Advanced and Set invitations to be received as Email. That way they never go into your Calendar, they appear as email, and can be deleted without pain.
 
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Log into iCloud via the web, go into the Calendar app, Preferences -> Advanced and Set invitations to be received as Email. That way they never go into your Calendar, they appear as email, and can be deleted without pain.
Nice, I'll look into that. For the time being, I actually turned off the iCloud calendar. It was better to remove it completely then to deal with the spam (which I had received).
 
What? It's so much easier than all this guys (and gals). Disable the "Events found in apps" option on your iPhone located in Settings > Calendar. It's the last option on the screen.

If your Default Calendar is your iCloud calendar, then that explains why they're appearing on your iCloud calendar. The description even says: Turning this off will delete any unconfirmed event suggestions and prevent suggestions from appearing in the Calendar app.
 
I had this a few weeks ago and then again on Friday. I saw the above advice on the Apple support forms and it worked perfectly! Glad it's not just me getting these stupid requests!
 
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What? It's so much easier than all this guys (and gals). Disable the "Events found in apps" option on your iPhone located in Settings > Calendar. It's the last option on the screen.

If your Default Calendar is your iCloud calendar, then that explains why they're appearing on your iCloud calendar. The description even says: Turning this off will delete any unconfirmed event suggestions and prevent suggestions from appearing in the Calendar app.

This is the issue. Along with the fact that people also have the FaceBook app installed and set to sync contacts/calendar/events.
 
It's not just Apple - Google, Microsoft and every other "groupware" provider has exactly the same functionality: It's not adding them to your calendar, but sending you an invitation to an event that shows in your calendar as tentative until it's accepted or declined. Technically, it's no different than sending an email to someone (the invitations are sent via email)

In the recent rounds of calendar spam it seems like it only affects Apple/iCloud calendars, as far as I know. I wonder why that is. Could it be that the spammers only target iCloud users or could it be that Google has better tools to filter and reject these spam invitations before they reaches the users?
 
I get alot of this spam too :(
Its obvious that apple is working on a fix, probably come in next ios and macos updates, probably an option to choose that only ppl in contact book can send calendar invites
 
What? It's so much easier than all this guys (and gals). Disable the "Events found in apps" option on your iPhone located in Settings > Calendar. It's the last option on the screen.

If your Default Calendar is your iCloud calendar, then that explains why they're appearing on your iCloud calendar. The description even says: Turning this off will delete any unconfirmed event suggestions and prevent suggestions from appearing in the Calendar app.

Thanks, that's cool, but some people benefit from this function a lot. I guess it depends on the user.
 
In the recent rounds of calendar spam it seems like it only affects Apple/iCloud calendars, as far as I know. I wonder why that is. Could it be that the spammers only target iCloud users or could it be that Google has better tools to filter and reject these spam invitations before they reaches the users?
Probably a bit of both - the spammers are probably targeting iCloud at the moment but I generally find iCloud's spam filtering isn't as good as the competition: I find office 365 > Google > iCloud for spam filtering
 
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In the recent rounds of calendar spam it seems like it only affects Apple/iCloud calendars, as far as I know. I wonder why that is. Could it be that the spammers only target iCloud users or could it be that Google has better tools to filter and reject these spam invitations before they reaches the users?
It's because by default, those (Apple/iCloud) are the Default Calendars on devices. I changed mine and so that's where these would show up IF I had that option enabled.
 
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