Double Encryption: Is It More Secure Or Dangerous? – Ipswitch

Since encoding is used to secure data, it would seem only natural that encrypting something twice would increase security. however, that is n’t constantly the case .
Disclaimer: This post does not involve detailed analysis of encoding concepts designed to make the fountainhead explode. Those concerned in mathematical formulas and cryptanalytic methods can read an overview from Gary C. Kessler or sign up for a cryptanalysis course from Stanford University on Coursera .
Whether you realize it or not, in the senesce of data privacy, encoding is a share of our casual lives and used extensively in payment action, on websites, for guarantee file transfer and for securing data volumes. The ‘ mho ’ in “ hypertext transfer protocol ” means fasten and assures visitors that they are visiting a ‘ protected ’ site. Protecting all datum is the norm and encoding is the best direction to prevent malicious actors ( cybercriminals or those who seek to disrupt ) from achieving their goals. There are many types of encoding, with those perceived as the most secure including AES and RSA. For most of us, a single encoding method acting is enough but what if you want to use more ? Why not double encoding or flush triple ?
Double, multi or shower encryption/ciphering, whatever you wish to call it, is frequently the subject of debate amongst cryptographers, data scientists and mathematicians, and even these academics are divided in their opinions. Superencryption refers to the concluding outer-level encoding of a multiple encoding march. To most of us, the application of basic logic means that security would mechanically be enhanced if something is encrypted again. however, as is the sheath with fudge, it ’ s all about how you use the ingredients. The best set about is according to recipe, rather than experiment.


Brute Force Attacks

Ecryption ’ s primary aim is to protect against beast military unit attacks. It is composed of a cipher ( the encoding method acting ), the message/data and a key ( the password ). With a wide scope of free tools available, even novitiate hackers can attempt to hack passwords using animal force ( dictionary or list-based attacks until a match is found ) .
Does double encoding increase security ? It depends, but not constantly. Using the like zero could reduce security, for example, with one expert comparing the process to an artificial peg. It ’ s useful if you lose a leg but better to keep your existing legs. however, the habit of multiple ciphers requires a password at each degree, each of which is theoretically as vulnerable ( or as dependable ) as the first encoding password .
In my opinion, as a dwell person in cryptanalysis, multiple encoding may not increase security, but it may slow down attackers, who at the identical least would require well more memory to use comparative lists on more than one encoding stage. Whether it ’ s privacy, authentication or security, encoding has a part to play but how much is excessively much ? When does encoding interfere with operations or productivity and impede data analysis ?

Let ’ s look at a virtual subordinate model .

Layered Encryption And User Access

ideally, encoding protects data but should besides allow authorised users loose access. Take an average PC/desktop, where would you start ?

  1. You could encrypt the volume i.e. the entire drive using Bitlocker or other method. This means you will need a password or start-up key on USB when you boot the system.
  2. You could encrypt a partition on the hard drive. Again, a password is needed.
  3. Encrypt folders-ditto password.
  4. Encrypt a file. Let’s take Excel as an example.
  5. Encrypt the contents of an Excel file, whether worksheet, column, row or cell.

This easy process requires a password at each stage, and a drug user enters five passwords ( all different, of naturally, according to best practices ) from booting the computer to viewing the unprotected file. hardly generative, even with a password director .
apart from the file contents stage, all others only protect data at rest. To share data securely, far encoding is needed to prevent man-in-the-middle attacks .
At the clock time of writing, AES-256 is hush the most ‘ dependable ’ ( officially placid unbroken ) encoding method acting but all encoding methods depend on one primary coil element­–the key. The best encoding algorithm in the populace will fail to protect if the key is weak, making passwords the primary area of encoding that needs improvement.

In decision, your use of encoding and the frequency of it is a balancing act between security and productive function ; you must decide how much is excessively much .
rather than focusing on encoding methods and the frequency of same, companies are advised to enforce password management as separate of their overall security policy. Insist on long, complex passwords and function password managers ( most come with password generators built in ). For passwords, make them alphanumeric ( in varying shell ) with special characters and no less than 24 characters .
Why not test your existing passwords using the beast force tools mentioned earlier ? Depending on the results, you can reward or dismiss employees as you see fit. In my opinion, using ‘ admin ’, ‘ 123456 ’, ‘ QWERTY ’ or any word found in the dictionary as a password is a gull request to collect unemployment. Any thoughts ?

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