Of the major themes - the phishing emails with the highest volume - finance was the most popular, making up 54%. These emails related to topics such as invoices and payments. Notification phishing emails, which are those related to password expiration, reminders, appointments, required actions and the like, came second with 35%.

Shipping phishing emails were third at 7%. Response mode scams were fourth at 3%. These emails aim to elicit a response to queries; these queries could be fabricated by the threat actors, or sometimes they make use of legitimate emails as a result of hijacked email accounts.