This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.
This signature detects websites leading users to sites which force users to subscribe to unwanted browser notifications.
Websites redirect users to sites that lures them to subscribe to browser notifications without revealing the purpose behind these notifications.
If you are a Norton user and wish to access a website blocked by Intrusion Prevention, please go through the exclusion process listed at https://support.norton.com/sp/en/us/home/current/solutions/v1224806_ns_retail_en_us to exclude the Intrusion Prevention detection blocking the given website.
If you are an Enterprise Product user, please go through the exclusion process listed at https://support.symantec.com/en_US/article.HOWTO80883.html to exclude the Intrusion Prevention detection.