Are Web Transactions Safe?

Are Web Transactions Safe?

In this cyber world,we do all the business,transaction like bill payment of the mobile,money transfer from one account to other and so many other works.But the question is that how safe is this transaction process.

Now-a-days anyone can buy a pair of small electronic devices that encrypt data sent between two computers across telephone lines. However, Computer A can only understand data sent by Computer B if both of these special devices share the same key. The first device uses the key to encrypt the data using the shared, secret key, while the second device uses that same key to decrypt the information, making it readable to the recipient.
Now comes an interesting question: When your browser encrypts and decrypts data that it shares with a Web site,

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