“The digital footprints that are collected and stored whenever we use the Internet are incredibly valuable to marketers and to online criminals,” Grayek continued. “We’ve seen malware evolve from a cottage industry to a full-fledged fraud business. Shockingly, it is now operating with business practices and development similar to legitimate software organizations. Our attitude about protecting our Internet privacy and the subsequent actions we take—whether at work or at play—can dramatically alter our online safety.”
CA researchers tracked the following trends in 2007:
• Malware volumes grew by 16 times in October vs. January 2007
• For the first time, malicious spyware surpassed trojans as the most prevalent form of malware. In 2007, 56 percent of the total malware seen was malicious spyware, 32 percent were trojans, 9 percent were worms, and 2 percent were viruses.
• Adware, trojans and downloaders were the most common types of spyware.
• The most widespread worms this year were simple network and removable drive worms. Some worms cripple computers as they go. Others worms drop additional malware or open the compromised computers to backdoor control by a malicious attacker.
• Rogue—or fake—security software has been an ongoing problem, and it's indicative of the rising tide of misleading applications. Rogue security software made up 6 percent of the total spyware volume in 2007. Rogue security software is typically distributed via online ads for free anti-spyware software.
• Attack methods converged and blended threats with multiple components are now the norm.
• More than 90 percent of email is spam, and more than 80 percent of spam contains links to malicious sites or malware.
• The quality of spam has improved and is no longer obviously riddled with typos. It is also laden with attachments—images, PDFs, documents, spreadsheets or videos—that have malware or link to malicious sites.
• Malware is an international issue. Much of the criminal activity originates in Eastern Europe and Asia and is targeted at nations where there are large populations of Internet users. Nearly 40 percent of spam was directed towards the United States. Australia, the U.K., France and Germany were also targeted. Malware is an emerging issue in Latin America, South Korea, and China.
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