Hackers have broken into BusinessWeek's online site and set up an attack scenario in which visitors to a section of the site could have their own computers compromised and their data stolen, a security researcher said on Monday.
It's unclear how long the site has been compromised and there is no evidence that BusinessWeek.com readers have been affected, but also no evidence that they haven't, said Graham Cluley, senior technology consultant at Sophos.
The hackers used an increasingly common form of attack called SQL injection, in which a small malicious script is inserted into a database that feeds information to the BusinessWeek Web site, he said. The executable code in the database links to a Web site with a Russian domain, which could download malware onto the computers of BusinessWeek.com readers.
The Russian Web site is offline right now, but could be put back online at any time, according to Cluley.
The malware was found to be on a section of the BusinessWeek site that offers information about the top companies that recruit from particular MBA programs, he said. The attack would not only put visitors to that section at risk, but also their employer if the computer they are using has corporate data on it, he said.
Sophos contacted BusinessWeek about the security problem last week, but the malicious code is still in the site's database, Cluley said.
A BusinessWeek.com representative said she would call back with comment.
SQL injection attacks are on the rise primarily because they work; they target Web sites that computer users trust and the attack is stealth so victims usually don't know their computer has been compromised.
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