5
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5250 Emulation
Software running on a modern PC that displays and interacts with IBM i's traditional text-based screens, the interface most people mean by "green screen."
A
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Agentic SOC
A security operations model in which AI agents use approved tools and context to perform bounded investigation, reporting, and response work under defined human governance.
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AI-Based SIEM
A vendor label for a SIEM that uses AI in a core function such as detection, correlation, prioritization, or investigation.
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AI-Driven SIEM
A SIEM in which AI guides a broader share of the security workflow, often from prioritization and investigation through recommended or approved response.
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AI Governance
The policies and technical controls that define which AI systems may use which data, perform which actions, and produce which evidence under human oversight.
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AI-Native SIEM
A SIEM designed to use AI across security data, detection, investigation, and response rather than limiting AI to a separate assistant feature.
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AI-Powered SIEM
A SIEM that uses machine learning, generative AI, or both for one or more tasks such as detection, triage, investigation, or response.
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AS400
The original IBM midrange business computer line, introduced in 1988, whose operating system evolved into today's IBM i running on IBM Power Systems.
C
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Capacity on Demand (CoD)
A licensing option on IBM Power Systems hardware that lets a customer activate additional processor or memory capacity already installed in the machine, as needed, without a physical hardware change.
D
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DB2 for i
The relational database built directly into the IBM i operating system, rather than installed as a separate product.
E
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Extended Detection and Response (XDR)
A security approach that combines detection and response across several telemetry domains such as endpoint, identity, cloud, email, and network.
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End of Support (EOS)
The date after which IBM stops issuing security patches, fixes, and official support for a given hardware generation or IBM i release.
F
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FIELDPROC
A DB2 for i feature that automatically encrypts and decrypts specific database columns, added transparently without changing existing application code.
H
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Headless SIEM
A SIEM that exposes approved, permission-aware security capabilities through AI agents, APIs, automations, dashboards, and service workflows as well as its normal interface.
I
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IBM i
The operating system descended from the original AS400's OS/400, now running on current IBM Power Systems hardware, with an integrated relational database (DB2 for i) built into the OS itself.
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IBM Power Systems
IBM's current server hardware line built on the Power processor architecture, the direct successor to System i/iSeries hardware and the platform current IBM i systems run on.
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IBM Storwize
IBM's discontinued mid-range and entry-level virtualized SAN storage brand (V7000, V3700, and others), replaced by IBM FlashSystem in 2020.
L
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LPAR (Logical Partition)
A logically divided, independently running slice of a single physical IBM Power Systems server, each with its own operating system, memory, and processor allocation.
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LTO (Linear Tape-Open)
The open tape cartridge standard used by IBM's tape libraries and autoloaders, currently on its 10th generation (LTO-10, 40 TB native per cartridge).
M
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Managed Detection and Response (MDR)
A security service in which an outside team monitors detections, investigates activity, and performs or coordinates agreed response work for the customer.
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Managed SIEM
A SIEM offered as an ongoing service by a third-party provider, rather than software an organization installs, tunes, and staffs itself.
P
R
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RPG
A programming language, originally built for business reporting, that is still the dominant application language on IBM i systems today.
S
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Security Data Ingestion
The process of receiving security events and telemetry from endpoints, identities, networks, cloud services, applications, and other sources into a SIEM or data platform.
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Security Data Pipeline
The controlled flow that collects, parses, normalizes, enriches, filters, and routes security telemetry before a SIEM stores or analyzes it.
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Security Data Quality
The completeness, accuracy, timeliness, consistency, and context of the telemetry a SIEM uses for detection and investigation.
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SIEM Data Retention
The period and storage tier in which security events remain available for search, investigation, threat hunting, audit, or recovery.
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Security Orchestration, Automation, and Response (SOAR)
Technology that coordinates security workflows across tools and automates defined investigation or response steps.
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SIEM
A security system that collects log and event data from across an organization's systems and analyzes it centrally to detect and alert on threats.
T
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Tape Autoloader
A compact, single-drive tape unit that automatically loads cartridges from a small internal magazine in sequence, without the multi-drive capacity or cost of a full tape library.
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Technology Refresh (TR)
IBM's periodic incremental update to a given IBM i release, delivering new features and fixes without requiring a full operating system upgrade.
U
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User and Entity Behavior Analytics (UEBA)
Security analytics that models normal activity for users, accounts, devices, and other entities so unusual behavior can be detected and investigated.
V
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Virtual Tape Library (VTL)
A disk-based backup appliance that presents itself to backup software exactly like a physical tape library or drive, so existing tape-based save jobs and scripts keep working unchanged.