Isolation Glossary

Browse 32 isolation terms defined in plain English, from the cultural dictionary of computing.

32 Isolation Terms

Air Gap
Air Gap is a security measure where a computer or network is physically isolated from unsecured networks, including the internet, to prevent unauthorized...
Air-Gapped Network
Air-Gapped Network is a network intentionally isolated from the internet and untrusted networks to reduce remote attack paths. Security teams use it to enforce...
App Sandboxing
A security model that isolates an application so it has limited access to system resources, data, and other apps outside defined boundaries. Sandboxing reduces...
Bare Metal Security
Security controls and considerations for systems running directly on physical hardware rather than in virtualized multi-tenant environments. Bare metal...
Chroot Jail
A Unix isolation technique that changes a process's apparent root directory, restricting how it can access parts of the filesystem. Chroot jails provide...
Clean Room
A controlled or isolated environment, sometimes literally and sometimes metaphorically, used to avoid contamination, leakage, or interference. In software...
Code Castle
A system or team structure that feels walled off, self-contained, and difficult for outsiders to enter or influence. In engineering slang, code castle can...
Code Fortress
A tightly controlled part of the system that is hard to enter, change, or understand from the outside. In engineering slang, code fortress can imply either...
Code Island
A part of the codebase or organization that is relatively isolated, with weak connections to the rest of the system. In engineering slang, code islands are...
Code Monastery
A secluded technical environment focused on purity, discipline, and inward-looking craft, often disconnected from everyday delivery pressure. In engineering...
Code Outpost
A distant or isolated technical component that sits outside the main flow of development and support. In engineering slang, code outposts are often important...
Code Wilderness
A broad unmapped and poorly understood technical area outside the comfortable well-documented path. In engineering slang, code wilderness suggests there are no...
Container Escape
An exploit or misconfiguration that allows code running inside a container to break isolation boundaries and interact with the host or other containers more...
Containerization
Containerization is the practice of packaging an application with its dependencies, libraries, configuration, and runtime into a lightweight, portable unit...
Credential Guard
A Microsoft Windows security feature that isolates certain credential material using virtualization-based security to make theft from normal operating-system...
Cross-Domain Attack
An attack that abuses trust boundaries between different domains or origins, often by exploiting assumptions in browser security, authentication, or shared...
Cross-Tenant Attack
An attack where one tenant in a shared environment gains unauthorized influence, visibility, or access into another tenant's resources. Cross-tenant issues are...
Data Diode
Data Diode is a hardware-enforced one-way communication mechanism that allows data flow in only one direction. Security teams use it to enforce trust, reduce...
Hypervisor Escape
A vulnerability or exploit that allows code running inside a virtual machine to break out of guest isolation and interact with the host hypervisor or other...
Hypervisor Security
The protection of the virtualization layer that creates and manages virtual machines, including hardening, patching, access control, and monitoring of the...
Micro-Virtualization
A security design that isolates risky tasks such as browsing or document opening into very small disposable virtualized environments instead of relying only on...
Multi-Tenancy Security
The controls and architecture used to keep different customers, business units, or tenants isolated from one another while sharing the same application or...
Multi-Tenant
A software architecture in which a single application instance and infrastructure serves multiple customers (tenants), isolating their data through row-level...
Namespace
A Linux kernel feature that isolates and virtualizes system resources for a group of processes. Types include PID (process IDs), network (network stack), mount...
Network Isolation
The deliberate separation of systems or segments so traffic between them is prevented or tightly controlled. Network isolation is used both for architecture,...
Python Virtual Environment
An isolated Python runtime directory (created via venv or virtualenv) that has its own site-packages, pip binary, and optionally its own Python interpreter...
Quarantine
A containment action that isolates suspicious files, messages, devices, or systems so they cannot continue to spread harm or interact normally until reviewed....
Ring Fence
To isolate a system, dataset, account, or environment from broader access so risk is contained within a defined boundary. In security operations, ring-fencing...
Sandbox
An isolated environment where untrusted code or suspicious files can be executed safely, without risk to the host system. Also used in development to describe...
Snapshot Isolation
A database isolation model that gives each transaction a consistent snapshot while reducing read-write blocking. It shows up in application security, identity,...
Unit Testing
Unit testing is the practice of writing automated tests that verify individual functions, methods, or classes in isolation from the rest of the system. Each...
Virtual Environment
An isolated Python environment with its own packages and interpreter path, preventing dependency conflicts between projects. Created with venv or virtualenv,...

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