A corporation needs to secure its data while it is sent from the main office to a distant branch. To achieve confidentiality and effective management of cryptographic keys, which protocol should be adopted?
PPTP
HTTPS
WEP
IPsec
End-to-end encryption is necessary for safeguarding data transmitted over an unsecured network. Among the available methods, Internet Protocol Security ensures both the encryption of data and strong key management capabilities through its embedded protocols. Protocols like HTTPS are typically limited to web traffic encryption, rather than a comprehensive solution for all office communications. Methods relying on outdated protocols or suited for specific services fail to meet the security and key management requirements for sensitive data in wide-area corporate environments.
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