Open the Kaspersky Security for Microsoft Office 365 Management Console.
In the left part of the page, select the Protection section.
In the upper part of the page, select the Anti-Phishing tab.
In the Action on phishing messages section, select the action to be performed by the Anti-Phishing module when it detects messages containing phishing or malicious links.
If you want to tag the subject of a detected message, select the Tag the subject check box.
This option is available for the Allow through and Move to Junk Email folder actions only.
If necessary, change the tag in the entry field under the Tag the subject check box.