By Gregg Keizer
December 28, 2007
One in five applications installed on Windows PCs are missing security
patches, a Copenhagen-based vulnerability tracker has reported.
According to Secunia APS, more than 20% of the applications scanned by
its Personal Software Inspector (PSI) utility were open to attack
because available fixes for security flaws had not been applied.
"More than 20% of all applications installed on users' PCs have known
security flaws, but the users have yet to install the patch provided by
the vendor of [the] product," said Jakob Balle, Secunia's development
manager, in a post to the company's blog last week.
The 20% figure was based on scans of more than 14.5 million applications
installed on the Windows PCs operated by users who downloaded and
installed Secunia's PSI. The utility scans for some 4,200 different
applications and reports on their patch status.
The 1-in-5 ratio, however, is an improvement over earlier PSI scans.
Last May, Secunia said that 28% of the applications PSI scanned were
missing available security updates.
Secunia released the free patch-detection utility a year ago but shifted
it to Release Candidate 1 (RC1) stage earlier this month. The company
claimed that nearly 191,000 users have downloaded and run the program.
PSI, which runs on Windows 2000, XP, Vista and Server 2003, can be
downloaded from Secunia's Web site.
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