![]() From your PC to the VPN company's server, all your data is encrypted, and that's a great thing. You can use a Virtual Private Network, or VPN, to encrypt your own internet traffic. ![]() Whole-disk encryption is an effective line of defense for a single device, but it doesn't help when you need to share encrypted data. In this roundup, I'm specifically looking at products that encrypt files, not at whole-disk solutions like Microsoft's Bitlocker. File Encryption, Whole-Disk Encryption, and If your needs involve sharing secrets with others, you may want to consider using an email encryption tool instead of, or in addition to, a local encryption utility. Note that the tools covered here focus on protecting local copies of your important files. We’ve gathered a diverse collection of such tools to help you make the choice. Just what sort of encryption tools you choose depends on how you plan to manage your protected secrets. Fast forward to today and you’ll find that anybody can obtain and use encryption systems that are effectively unbreakable (until the next cracking breakthrough). As encryption techniques evolved, so did cracking techniques. Greeks and Romans used substitution ciphers. ![]() Pharaohs used cipher keys to replace symbols in secret texts. A general sending orders to her troops certainly doesn’t want the enemy reading those orders, for example.
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