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Cryptographic hash whitelisting vs application updates

Hi guys,

 

I do Application whitelisting via cryptographic hash, when an application updates and the SHA1 or SHA256 change, will I have to redo the whitelisting? Or does McAfee get that information from the GTI server normally? (Or elsewhere)

Just wondering how overhead heavy whitelisting can get, as I haven't seen any repeat applications come through as yet.

As an alternative I believe it is very dangerous to apply application whitelisting to a directory, but if someone could tell me more I would appreciate it.

Cheers,

BJ

1 Reply
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Re: Cryptographic hash whitelisting vs application updates

You have to redo whitelisting when hash(SHA1 or SHA256) value changed. You can not get hash information via GTI. so, Application Control or ePO will not sent your hash value to GTI.

If you using Application Control with ePO, you can apply hash value to clients via ePO policy.

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