Internet’s ‘bad neighbourhoods’ spread scams and spam

About 50% of all junk mail on the net emerges from just 20 internet service providers (ISPs), a study has found.The survey of more than 42,000 ISPs tried to map the net’s “bad neighbourhoods” to help pinpoint sources of malicious mail.The survey by a researcher in Holland found that, in many cases, ISPs specialise in particular threats such as spam and phishing. see:Spam sources cluster in ‘Bad Neighborhoods,’ report says
Fewer than two dozen “bad neighborhoods” on the Internet are responsible for almost 50 percent of the world’s spam, according to a research report released last week.Of the countries where spamming hosts were found, 20 percent were in India, said the study of more than 42,000 ISPs worldwide.

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