So far, there have been no publicly reported, confirmed cases of security breaches involving Java,
though there have been some suspicious events that might possibly have involved Java security
problems. Of course, the lack of reported cases is no guarantee that there haven't been breaches that either weren't discovered or weren't reported. But it does indicate that breaches are rare.
If the above options do not provide enough security for you, download Access manager for Windows.
Access manager provides much more security than standard ways in Windows.
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