The term E-CON is an abbreviation for Electronic Commerce, which is the buying and selling of goods and services over the internet. The crossword solution for this term is SPAM, which stands for 'Spoofed Personalized Advertising Mail'. SPAM is a form of unsolicited email that is sent out in bulk to a large number of recipients, often with malicious intent. It is a common problem for businesses and individuals alike, as it can be used to spread viruses, phishing scams, and other malicious content.