The study, which analyzes nearly 1.5 million phishing reports representing 700,000 phishing attacks, shows that phishing increased by nearly 70% over the period 1 May 2020 through 30 April 2021.

The study also reports that most phishing occurs on domains purposely (maliciously) registered for phishing attacks. Interisle determined that 65% of domains associated with phishing attacks were maliciously registered.

for more details you can read the original article by Interisle or download the full report here.