Share of phishing cyber attacks in Japan 2013-2018, by type

*The source provides the following information:
"The NPA defines an act that an offender, sending an e-mail where malware which anti-virus software on the market cannot detect is attached and which is disguised as what is related to business of an addressee, infects a computer of the addressee with the malware to thieve information as “spear phishing e-mail attack.” The NPA categorizes a spear phishing e-mail attack which brings the same text or the same malware to ten or more than ten addressees as “indiscriminate style."

Data prior to 2014 comes from previous reporting.