Can you rely on that little "green lock" in your browser - Not any more if the following is true.

By the end of 2016, less than 1% of phishing attacks leveraged Web certificates, he continues. By the end of 2017, that number had spiked to 30%. 
"We expect by the end of this year more than half of attacks are [going to be] done using Web certificates," 

Web certificates provide a low-cost means for attackers to convince victims their malicious sites are legitimate, explains Alejandro Correa


https://www.darkreading.com/attacks-breaches/deepphish-simulating-malicious-ai-to-act-like-an-adversary/d/d-id/1333135