WinTSD is document information security software with encryption and access control functions. When you worry about your private or secret document will be peeped or stolen by hackers through the network, When you worry about your private or secret documents will be copyed by Trojan horses or other malicious code with backdoors, When you worry about sharing a computer with colleagues and friends or computer lost cause leakage of secret documents, When you worry about the safety of company secrets and personal privacy, In short, when you hope that your secret documents can not be viewed or modified by anyone without your authorization , WinTSD will become your the most effective security tools of secret documents.

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