The volume of spam emails in 2016 increased to 58.31 per cent of overall email traffic, a rise of 3.03 per cent on 2015. The US remained the biggest source of spam (12.08 per cent), with second place taken by Vietnam (10.32 per cent) The average proportion of phishing attacks against customers of financial institutions was 47.48 per cent, up from 34.33 per cent in 2015. Spam advertisements became very popular with small and medium businesses in China in 2016.”]