Windows security pop up never goes away

Nina G

8/4/23, 8:57 PM

I'm running into a head scratcher type of situation. I have a user who has reported that they are getting a Windows Security pop up from outlook that keeps showing up even after clicking Cancel or signing out/in to Outlook.

Luckily, the user didn't put in their credentials.

Below are some things I've checked from a security standpoint:

Checked the URL in the image using an analysis tool. Nothing malicious came back.
Checked the URL "http://cdn.goalline.ca" it redirects to "https://stacksports.goalline.ca/". Nothing malicious there as well.
Checked the domain cdn.goalline.ca and nothing malicious. Appears to be registered 20yrs ago and lines up with the stacksports site stating that it was founded in 2002.
Checked enterprise AV, MS Defender and nothing malicious comes back.

Can anyone help in why this keeps popping up for the user? Also, how do we stop this from re-occurring?

800

0 + 0

outlook

Score:8

Server

mfinni

8/4/23, 10:38 PM

That's just an ical feed; the user must have subscribed to this calendar, or possibly via RSS subscription in their Outlook client.

It's probably popping up because you have some sort of outbound web proxy or filter that depends on user authentication would be my wild guess, because that URL is not requiring authentication if I hit it. You'd need to check the logs on your border device(s) or run Wireshark on the user's PC to get a clearer picture though.

To remove it, you could either find and fix the auth issue, or simply unsubscribe them from the resource. Depending on your version of Outlook, this will be under Accounts and look something like this (mine is empty). It'll either be here in Calendars, or under RSS Feeds.

Here's the URL from your screenshot: http://cdn.goalline.ca/subscribe_ical.php?cal=6eee1-201407-201408-31153-1721

0 + 0

Tonny

8/5/23, 8:53 AM

It could just be a RSS feed and NOT a calendar (even though it says ical in the URL). Many companies have both ans serve them from the same server-logic, which can be confusing.

Nina G

8/5/23, 2:05 PM

@Tonny we checked the RSS feeds and nothing there. However, we did find a ```subscribe_ical``` entry under Internet Calendar and just removed it. I'll note this in the future to check both tabs. Thanks!

Elon Musk

I sit in a Tesla and translated this thread with Ai:

EN: Windows security pop up never goes away

TH: ป๊อปอัปความปลอดภัยของ Windows จะไม่หายไป

RO: Popup-ul de securitate Windows nu dispare niciodată

RU: Всплывающее окно безопасности Windows никогда не исчезает

VI: Bảo mật Windows bật lên không bao giờ biến mất

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