The default encryption method of PcAnywhere 9.x uses weak encryption, which allows remote malicious users to sniff and decrypt PcAnywhere or NT domain accounts.
source: wwwsecurityfocuscom/bid/1093/info
Symantec pcAnywhere is shipped by default with a weak encryption scheme that is used to encrypt username and password transmittal Therefore, usernames and password can be retrieved by anyone sniffing the network in between the host computer running pcAnywhere and the NT domain controller
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