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AxCrypt Premium has a sleek, modern look, and when it's active you'll barely notice it. Files in its own Secured Folders get encrypted when you sign out, and it's one of those few which support public key cryptography.

CertainSafe Digital Safety Deposit Box goes through a multistage security handshake that authenticates you to the site and authenticates the website to you. Your documents are encrypted, split into chunks, and tokenized. Then each chunk becomes saved on a different server. A hacker who breached one server would get nothing useful. .

Folder Lock can encrypt files or lock them so nobody can access them. It also offers encrypted lockers for storage. Among its many other characteristics are file shredding, free space shredding, secure online backup, and self-decrypting documents.

The other products here have their values, also, of course. Read the capsules under and then click through to the full reviews to decide which one you'll use to protect your files. Have an opinion on one of the apps reviewed here, or a favourite tool we didn't mention Let us know in the comments. .

While security is an afterthought for many PC users, its major priority for businesses of any size. It must be when the Ponemon Institute tells us that security breaches are costing companies millions each year.

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There are several kinds of security technology available, but encryption is one which everyday computer users must know about.

Encryption is an interesting bit of technology that is employed by scrambling data so it is unreadable by unintended parties. Lets take a peek at how it works with the email-friendly software PGP (or GPG for you open source folks ).

Say I want to send you a private message, so I encrypt it using one of those programs. Heres the message:

wUwDPglyJu9LOnkBAf4vxSpQgQZltcz7LWwEquhdm5kSQIkQlZtfxtSTsmawq6gVH8SimlC3W6TDOhhL2FdgvdIC7sDv7G1Z7pCNzFLp0lgB9ACm8r5RZOBiN5ske9cBVjlVfgmQ9VpFzSwzLLODhCU7/2THg2iDrW3NGQZfz3SSWviwCe7GmNIvp5jEkGPCGcla4Fgdp/xuyewPk6NDlBewftLtHJVfPAb3

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Once encrypted, the message literally becomes a jumbled mess of random characters. But, equipped with the key passcode I text you, you can decrypt it and find the original message.

Whether its in transit such as our hot dog celebration email or resting on your own hard disk, encryption functions to keep prying eyes out of your business even when they happen to somehow gain access to your network or system.  If you want to learn more about how encryption helps protect business information, then you can read our article on how encryption helps cloud safety. .

The technology comes in many forms, with key size and strength generally being the biggest differences in one range from the next.

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Triple DES was designed to replace the original Data Encryption Standard (DES) algorithm, which hackers eventually learned to overcome with comparative ease. At one time, Triple DES has been the recommended standard and also the most commonly used symmetric algorithm in the industry.

Triple DES uses three individual keys with 56 bits each. The total key length adds up to 168 bits, but experts would argue that 112-bits in key strength is similar to it.

Despite slowly being phased out, Triple DES still manages to make a dependable hardware encryption solution for financial services and other industries.

RSA is a public-key encryption algorithm and the standard for encrypting data sent over the internet. Additionally, it happens to be one of those methods utilized in our PGP and GPG applications.

Unlike Triple DES, RSA is considered an asymmetric algorithm as a result of its usage of a set of keys. Youve got your public site web key, and that's what we use to encrypt our message, and a private key to decrypt it. The result of RSA encryption is a huge batch of mumbo jumbo that takes attackers quite a bit of time and processing power to break. .

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Blowfish is yet another algorithm designed to replace DES. This symmetric cipher splits messages into blocks of 64 bits and encrypts them individually.

Blowfish is known for both its tremendous speed and overall effectiveness as click reference many claim that it has never been defeated. Meanwhile, vendors have taken advantage of its free availability in the public domain.

Blowfish can be found in applications classes ranging from e-commerce platforms for securing payments to password management programs, where it used to safeguard passwords. Its definitely one of the very flexible encryption methods available.

Computer security expert Bruce Schneier is the mastermind behind Blowfish and its successor Twofish. Keys used in this algorithm might be up to 256 bits in length and as a symmetric technique, only one key is needed.

Twofish is considered as one of the fastest of its kind, and ideal for use in both hardware and software environments. Like Blowfish, Twofish is publicly available to anyone who wants to use it. Because of this, youll find it bundled in encryption programs like PhotoEncrypt, GPG, and the popular open source software TrueCrypt. .