Data encryption is the act of changing electronic information into an unreadable state by using algorithms or ciphers. Originally, data encryption was used for passing government and military information electronically. Over time as the public has begun to enter and transmit personal, sensitive information over the internet, data encryption has become more widespread. Nowadays Web Browsers will automatically encrypt text when connecting to a secure server. You can tell you are on a secure, encrypted website when the URL begins with "https", meaning Hypertext Transmission Protocol, Secure.
Data encryption is the act of changing electronic information into an unreadable state by using algorithms or ciphers. Originally, data encryption was used for passing government and military information electronically. Over time as the public has begun to enter and transmit personal, sensitive information over the internet, data encryption has become more widespread. Nowadays Web Browsers will automatically encrypt text when connecting to a secure server. You can tell you are on a secure, encrypted website when the URL begins with "https", meaning Hypertext Transmission Protocol, Secure.
Symmetric key algorithms
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Yes
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Data are need to be protected because data are ore value than money. By getting the data of an important organization we can misuse the data.
The only risk would come from someone hacking into the internet file. This risk can be avoided by encrypting your data before you send it.
No. VPN provides security by encrypting and decrypting data that passes through a VPN connection; it does not offer protection from viruses or other malware