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- Sealed_systems abstract "Sealed systems are computer systems that are designed to be supplied as a sealed unit. The major benefits are security, reliability, ease of installation and upgrade, and locked down so users can't make changes that would compromise the integrity of the system. Many techniques may be used to build a sealed system. One obvious approach is custom hardware but this can be expensive.The term sealed systems was coined by Tailored Computers in Portland, Oregon. Their goal was to build sealed systems using inexpensive, off-the-shelf PCs. Their design takes advantage of features of the Linux operating system.Properly-designed sealed systems are highly-resistant to attack. All programs and static data are placed in immutable storage where they can't be modified and new programs and data cannot be added. Data that must be changed, such as configuration data and user data files, is kept in mutable storage. Any attacks that seek to modify programs or plant additional files in immutable storage will fail. Attacks that try to modify data in mutable storage are possible. However, well-designed sealed systems will prevent programs from executing from mutable storage and they won't put system-critical configuration data in mutable storage.The segregation of programs and data into immutable and mutable storage makes some operations, such as backing up data, easier. The system can be easily backed up just by backing up all of mutable storage.".
- Sealed_systems wikiPageExternalLink www.sealedsystems.org.
- Sealed_systems wikiPageID "927607".
- Sealed_systems wikiPageRevisionID "382606373".
- Sealed_systems hasPhotoCollection Sealed_systems.
- Sealed_systems subject Category:Computer_systems.
- Sealed_systems type Artifact100021939.
- Sealed_systems type ComputerSystem103085915.
- Sealed_systems type ComputerSystems.
- Sealed_systems type Instrumentality103575240.
- Sealed_systems type Object100002684.
- Sealed_systems type PhysicalEntity100001930.
- Sealed_systems type System104377057.
- Sealed_systems type Whole100003553.
- Sealed_systems comment "Sealed systems are computer systems that are designed to be supplied as a sealed unit. The major benefits are security, reliability, ease of installation and upgrade, and locked down so users can't make changes that would compromise the integrity of the system. Many techniques may be used to build a sealed system. One obvious approach is custom hardware but this can be expensive.The term sealed systems was coined by Tailored Computers in Portland, Oregon.".
- Sealed_systems label "Sealed systems".
- Sealed_systems sameAs m.03qr0p.
- Sealed_systems sameAs Q7440629.
- Sealed_systems sameAs Q7440629.
- Sealed_systems sameAs Sealed_systems.
- Sealed_systems wasDerivedFrom Sealed_systems?oldid=382606373.
- Sealed_systems homepage www.sealedsystems.org.
- Sealed_systems isPrimaryTopicOf Sealed_systems.