The number of security incidents has increased some 150% over Q3 2003, and computers located in the United States account for more than 90% of the probes and attacks, Verisign found. Bulk e-mail accounted for nearly 80% of all messages handled by Verisign clients. However, bulk e-mail also tends to be smaller in size than legitimate messages, and accounted for only 21% of the total bandwidth used by e-mail traffic. Countries such as the former Yugoslav republic of Macedonia, the African countries of Nigeria and Ghana, and Vietnam are homes of a higher%age of e-commerce fraud.
Internet of Things