"Music company Sony BMG faced a firestorm of criticism after anti-rootkit scanners fingered the use of stealthy rootkit-type techniques to cloak its DRM scheme. After malicious hackers used the Sony DRM rootkit as a hiding place for Trojans, the company suspended the use of the technology and recalled CDs with the offending copy protection mechanism.
A spokesman for Symantec referenced the Sony flap in a statement sent to eWEEK, but downplayed the risk to consumers. "In light of current techniques used by today's malicious attackers, Symantec re-evaluated the value of hiding the [previously cloaked] directory. Though the chance of an attacker using [it] as a possible attack vector is extremely slim, Symantec's update further protects computers by displaying the directory," the spokesman said.
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http://www.eweek.com/article2/0,1895,1910077,00.asp