Volume XII of Symantec's Internet Security Threat Reportis out and shows that malicious activity over the Internet is here tostay. During the first six months of 2007, our analysis of theproportion of malicious activity in each country showed little varianceform the last reporting period. There was some change in certainspecific areas of malicious activity, but overall it seems that once amalicious Internet population is established in a country, it remainsthere.
For example, the United States saw a drop in bots, while China saw arise. The United States also saw a drop in Internet attacks, whileChina saw a rise; overall, though, the malicious activity in these twocountries didn’t really change. Thus, any change is more due to thechanging trends in malicious activity. While bots that propagatethrough vulnerabilities in network-based services seem to be...
