Twenty percent of Office 365 users who receive an e-mail with malicious link open this link within the first 5 minutes, according to Microsoft’s own research. The survey, in which billions of e-mails were analyzed, took place from January to September of 2018.
According to researchers at Microsoft, 300.000 phishing campaigns were analyzed. 8 million cases of ceo fraud were observed. Not only the scale increases, but also the speed with which users click on malicious links.
For more information on this topic see https://cloudblogs.microsoft.com/microsoftsecure/2018/10/17/how-office-365-learned-to-reel-in-phish/