More businesses are installing intrusion-prevention systems to fight off new threats that can slip past conventional security technology. Even the most diligent information-security professional can fall victim to a security attack. Hackers are getting smarter and launching worm and virus attacks within days after new software vulnerabilities are discovered. Just last month, Russian hackers infiltrated many Web sites with malicious code and infected the computers of those who visited the sites. More companies are turning to new intrusion-prevention technology to provide protection from attacks and make it easier to manage system security. Half of all business servers and 30% of business PCs will use computer intrusion-prevention software by 2006, research firm Gartner says. Intrusion-prevention technology works by looking for improper or unauthorized behavior on computers and networks. It may supplant the more common intrusion-detection systems, which spot specific code that represents worms and hacker attacks, and antivirus software, which can’t stop new threats until security vendors develop a “signature” for a new worm or virus. Full Story
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