The document discusses threats to e-commerce, including security threats to electronic payment systems, e-cash, and credit/debit card fraud. It describes how hackers can steal personal and financial information through methods like data packet sniffing, IP spoofing, malware, and failing to patch software vulnerabilities. Fraud occurs because it is easy for hackers to obtain data on the black market and crimes are often not prosecuted due to the difficulty in detection and crossing international borders. Common fraud types are financial fraud like credit card and refund scams, phishing, spamming, and infecting systems with malware.