A significant reduction in spam and web browser vulnerabilities has been reported by IBM in its recent report "X-Force 2011 Mid-Year Trend and Risk Report."
A decrease in severe vulnerabilities, specially grafted for exploiting remote attacks and malware installation has also been noticed by the company. According to the report, half of the security vulnerabilities disclosed relates to web application. However, this year the number has seen a steep decrease of 37%, especially in the volume of SQL injection vulnerabilities.
IBM also admitted that augmented efforts towards tracking down the botnets and destroying them can also be a significant reason towards reduction of spam and phishing scams.
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