Google Ads is testing a new security feature that restricts free domain email addresses, such as @gmail.com and @yahoo.com, from performing sensitive actions within a Google Ads advertiser account.
This test is currently limited to a subset of advertisers, requiring a switch to a corporate email to complete such actions.
Sensitive actions include operations like account linking updates and user access changes.
This change aims to enhance account security and address the recent increase in account hijacking incidents.
Read the official help page here: About email domain requirements for performing sensitive actions in Google Ads.
This update was surfaced by Barry Schwartz.