Browse Definitions:
Definition

open security

Contributor(s): Matthew Haughn

Open security is an approach to safeguarding software, hardware and other information system components with methods whose design and details are publicly available.

Open security is based on the idea that systems should be inherently secure by design. That concept derives from Kerckhoff’s principle, which maintains that a cryptographic system should be secure enough that, even if all its details but the key are available to the general public, the system will still be safe. The mathematician Claude Shannon further refined Kerckhoff’s principle. According to Shannon’s maxim, "one ought to design systems under the assumption that the enemy will immediately gain full familiarity with them."

An open cryptographic system includes algorithmic transparency. In such a system, the strength of a cryptographic implementation must be based on secrecy of the key. Keys are a fundamental element of cryptography, generated to encrypt and decrypt sensitive information.

One of the major challenges of cryptography is ensuring the secrecy of the keys, while ensuring that the authorized parties can access them at the appropriate time. Different levels of security may be sought, depending on the sensitivity of the message. A system is said to be computationally secure if it is theoretically breakable through a brute force attack but the time and expense required makes it not worth the effort. A system is said to be unconditionally or perfectly security exists when an attacker with unlimited resources still could not break it.

This was last updated in August 2015

Continue Reading About open security

Join the conversation

2 comments

Send me notifications when other members comment.

By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy

Please create a username to comment.

public/private key combos, SSL, and the like, are pretty well known and seem to have some success. Personally I'm a big fan of systems like oAuth to manage my logins. Overall, I'm so for it that I wonder if that creates new kinds of risks! :-)
Cancel
what text? OH that one. that's almost as dumb as using all the pictures when the alarm is not set to armed. Why do you need to take pictures when you are home? Or when you set the alarm for at home? REALLY? the only time the pictures should be taken is when you set the alarm for gone! that way you are not using all your pictures for stupid stuff like taking out the trash or checking on your dogs. It should only take pictures when you are away from home and have set the alarm. Example: I had to take a U-Haul truck back the other day, and while I was gone someone broke into my house and set off the alarms. Well I couldn't check to see who it was because the pictures had all been used up from us running in and out all morning. So whats the point of a security system that wont work while you are away from home?
Cancel

-ADS BY GOOGLE

Dateiendungen und Dateiformate

Gesponsert von:

SearchCompliance

SearchSecurity

  • black hat

    Black hat refers to a hacker who breaks into a computer system or network with malicious intent.

  • copyright

    Copyright is a legal term describing ownership of control of the rights to the use and distribution of certain works of creative ...

  • keylogger (keystroke logger or system monitor)

    A keylogger, sometimes called a keystroke logger or system monitor, is a type of surveillance technology used to monitor and ...

SearchHealthIT

  • population health management (PHM)

    Population health management (PHM) is a discipline within the healthcare industry that studies and facilitates care delivery ...

  • ICD-10-PCS

    The International Classification of Diseases, 10th Revision, Procedure Coding System (ICD-10-PCS) is a U.S. cataloging system for...

  • U.S. National Library of Medicine (NLM)

    The U.S. National Library of Medicine (NLM) is the largest biomedical library in the world.

SearchDisasterRecovery

  • business continuity plan (BCP)

    A business continuity plan (BCP) is a document that consists of the critical information an organization needs to continue ...

  • call tree

    A call tree -- sometimes referred to as a phone tree -- is a telecommunications chain for notifying specific individuals of an ...

  • mass notification system (MNS)

    A mass notification system is a platform that sends one-way messages to inform employees and the public of an emergency.

SearchStorage

  • open source storage

    Open source storage is data storage software developed in a public, collaborative manner that permits the free use, distribution ...

  • CompactFlash card (CF card)

    A CompactFlash card (CF card) is a memory card format developed by SanDisk in 1994 that uses flash memory technology to store ...

  • email archiving

    Email archiving (also spelled e-mail archiving) is a systematic approach to saving and protecting the data contained in email ...

SearchSolidStateStorage

  • RRAM or ReRAM (resistive RAM)

    RRAM or ReRAM (resistive random access memory) is a form of nonvolatile storage that operates by changing the resistance of a ...

  • JEDEC

    JEDEC is a global industry group that develops open standards for microelectronics.

  • M.2 SSD

    An M.2 SSD is a solid-state drive (SSD) that conforms to a computer industry specification written for internally mounted storage...

SearchCloudStorage

  • RESTful API

    A RESTful application program interface breaks down a transaction to create a series of small modules, each of which addresses an...

  • cloud storage infrastructure

    Cloud storage infrastructure is the hardware and software framework that supports the computing requirements of a private or ...

  • Zadara VPSA and ZIOS

    Zadara Storage provides block, file or object storage with varying levels of compute and capacity through its ZIOS and VPSA ...

Close