A0001: Workstation

An ICS workstation is often the human bridge into control operations: engineers and operators use it for configuration, programming, diagnostics, maintenance, and operational tasks. Because these systems may be fixed in the OT network or temporarily connected to field devices, compromise can create risk beyond normal endpoint loss, including loss of visibility, unauthorized changes, disrupted maintenance, or a path toward devices that affect physical processes.

Executive priority

Treat ICS workstations as high-value operational access points, not ordinary desktops. Leaders should ask whether these Windows and Linux systems are inventoried, segmented, monitored, governed for removable media and remote access, and included in incident response and recovery plans. The relationship context shows they are targeted by techniques involving valid accounts, command line and GUI interaction, discovery, sniffing, supply chain and removable media exposure, exploitation of public-facing applications, and destructive or disruptive actions such as data destruction and restart/shutdown. That makes them important for business continuity, audit evidence, OT access governance, and cyber-physical risk management.

Technical view

SOC, OT security, and IR teams should validate endpoint and network visibility around both fixed and transient workstations. ATT&CK provides no official detection text for this asset, so coverage should be built from the related techniques: command-line and scripting activity, GUI/remote interaction, account use, network enumeration, port/broadcast/multicast discovery, packet capture behavior, removable media use, suspicious file masquerading, screen capture, rootkit-like hiding behavior, public-facing service exposure, wireless access paths, and abnormal restart/shutdown or data destruction events. Because these systems may run dedicated control-system and vendor tools, detections need local baselines to distinguish approved engineering activity from suspicious use.

Likely telemetry

Asset inventory identifying ICS workstations, operating system, ownership, location, and whether fixed or transient
Endpoint process creation, command-line, scripting, service, driver, file creation/deletion, and restart/shutdown events
Authentication and authorization logs for operator, engineer, service, local, remote, and default/legacy accounts
Remote access and GUI session logs where applicable, including administrative access to workstation interfaces
Network flow, DNS, connection, and protocol telemetry for workstation-to-server, workstation-to-field-device, and peer communications

Detection direction

Start with authoritative baselines: which users, tools, scripts, protocols, and destinations are normal for each engineering or operator workstation.
Correlate identity events with endpoint and network activity; valid account use may look legitimate unless paired with unusual timing, source, privilege, destination, or tool behavior.
Tune command-line, scripting, GUI, and native API monitoring to account for approved maintenance workflows while flagging rare interpreters, unexpected administrative utilities, masqueraded files, and non-native tools.
Monitor discovery behavior from workstations, including netstat-like enumeration, port scans, broadcast discovery, multicast discovery, and unusual connections to field devices or control servers.
Pay special attention to transient workstations and removable media, because the asset description explicitly includes devices directly connected to field devices for local management.

Mitigation priorities

Maintain a current ICS workstation inventory, including fixed and transient devices, installed control-system applications, network zones, and authorized users.
Limit workstation privileges and use governed accounts for operator, engineering, service, and remote access functions; review default or shared credential exposure where applicable.
Segment workstation communications to required control servers, field devices, and management services; restrict unnecessary internet-facing, wireless, and peer-to-peer exposure.
Control removable media use with policy, technical restrictions, scanning, and logging appropriate for OT operational constraints.
Harden Windows and Linux workstation configurations, including unnecessary service reduction, patch and vulnerability prioritization for exposed applications, and protection of security controls from tampering.

Additional notes and limits

This is an ATT&CK for ICS asset object, not a technique. Its value is in showing where many ICS behaviors converge: human-operated systems that interface with control servers and field devices. The supplied relationships indicate a broad set of techniques that can target workstations, including access, execution, discovery, evasion, collection, and disruption-oriented behaviors. Defensive planning should therefore use the asset as a coverage anchor for identity, endpoint, network, removable media, exposure, and recovery controls.

MITRE did not provide official detection guidance or tactics for this asset object. The related technique descriptions are summarized relationship context, not proof of activity in any specific environment. Local architecture, approved engineering workflows, vendor tooling, safety requirements, and available telemetry are required to determine actual risk, detection fidelity, and mitigation sequencing.

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Official MITRE ATT&CK definition

Workstation

Workstations are devices used by human operators or engineers to perform various configuration, programming, maintenance, diagnostic, or operational tasks. Workstations typically utilize standard desktop or laptop hardware and operating systems (e.g., MS Windows), but run dedicated control system applications or diagnostic/management software to support interfacing with the control servers or field devices. Some workstations have a fixed location within the network architecture, while others are transient devices that are directly connected to various field devices to support local management activities.

View the same entry on attack.mitre.org (MITRE-hosted reference; in-page links above use the Glexia ATT&CK library.)

Glexia analysis

How security teams should use this page

Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.

ATT&CK relationship table

Techniques used

This mirrors the MITRE pattern of making group, software, campaign, and technique relationships scannable. Relationship notes come from mirrored ATT&CK relationship text when available.

Filter related techniques51 rows

Domain	ID	Name	Relationship / procedure
ICS	T0816	Device Restart/Shutdown	Device Restart/Shutdown targets this object.
ICS	T1695.001	Serial COMSub-technique	Serial COM targets this object.
ICS	T0842	Network Sniffing	Network Sniffing targets this object.
ICS	T0865	Spearphishing Attachment	Spearphishing Attachment targets this object.
ICS	T0864	Transient Cyber Asset	Transient Cyber Asset targets this object.
ICS	T0840	Network Connection Enumeration	Network Connection Enumeration targets this object.
ICS	T0820	Exploitation for Evasion	Exploitation for Evasion targets this object.
ICS	T0873.001	Siemens Project File FormatSub-technique	Siemens Project File Format targets this object.
ICS	T0873	Project File Infection	Project File Infection targets this object.
ICS	T0846	Remote System Discovery	Remote System Discovery targets this object.
ICS	T0849	Masquerading	Masquerading targets this object.
ICS	T0847	Replication Through Removable Media	Replication Through Removable Media targets this object.
ICS	T0860	Wireless Compromise	Wireless Compromise targets this object.
ICS	T0846.001	Port ScanSub-technique	Port Scan targets this object.
ICS	T0874	Hooking	Hooking targets this object.
ICS	T0807	Command-Line Interface	Command-Line Interface targets this object.
ICS	T1695	Block Communications	Block Communications targets this object.
ICS	T0881	Service Stop	Service Stop targets this object.
ICS	T0846.003	Multicast DiscoverySub-technique	Multicast Discovery targets this object.
ICS	T0895	Autorun Image	Autorun Image targets this object.
ICS	T0823	Graphical User Interface	Graphical User Interface targets this object.
ICS	T0863	User Execution	User Execution targets this object.
ICS	T0869	Standard Application Layer Protocol	Standard Application Layer Protocol targets this object.
ICS	T1695.003	Wi-FiSub-technique	Wi-Fi targets this object.
ICS	T0894	System Binary Proxy Execution	System Binary Proxy Execution targets this object.
ICS	T0872	Indicator Removal on Host	Indicator Removal on Host targets this object.
ICS	T0809	Data Destruction	Data Destruction targets this object.
ICS	T0819	Exploit Public-Facing Application	Exploit Public-Facing Application targets this object.
ICS	T0853	Scripting	Scripting targets this object.
ICS	T0830	Adversary-in-the-Middle	Adversary-in-the-Middle targets this object.
ICS	T0884	Connection Proxy	Connection Proxy targets this object.
ICS	T1695.002	EthernetSub-technique	Ethernet targets this object.
ICS	T0888	Remote System Information Discovery	Remote System Information Discovery targets this object.
ICS	T0885	Commonly Used Port	Commonly Used Port targets this object.
ICS	T0887	Wireless Sniffing	Wireless Sniffing targets this object.
ICS	T0834	Native API	Native API targets this object.
ICS	T0851	Rootkit	Rootkit targets this object.
ICS	T0859	Valid Accounts	Valid Accounts targets this object.
ICS	T0892	Change Credential	Change Credential targets this object.
ICS	T0817	Drive-by Compromise	Drive-by Compromise targets this object.
ICS	T0890	Exploitation for Privilege Escalation	Exploitation for Privilege Escalation targets this object.
ICS	T0867	Lateral Tool Transfer	Lateral Tool Transfer targets this object.
ICS	T0862	Supply Chain Compromise	Supply Chain Compromise targets this object.
ICS	T1694.001	Default CredentialsSub-technique	Default Credentials targets this object.
ICS	T0893	Data from Local System	Data from Local System targets this object.
ICS	T0871	Execution through API	Execution through API targets this object.
ICS	T0846.002	Broadcast DiscoverySub-technique	Broadcast Discovery targets this object.
ICS	T0883	Internet Accessible Device	Internet Accessible Device targets this object.
ICS	T1694	Insecure Credentials	Insecure Credentials targets this object.
ICS	T0866	Exploitation of Remote Services	Exploitation of Remote Services targets this object.
ICS	T0852	Screen Capture	Screen Capture targets this object.

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Change history

Object version and sync metadata

The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates.

ATT&CK release: 19.1
Object version: 2.1
Created: Sep 28, 2023, 14:22 UTC (UTC+00:00)
Modified: May 12, 2026, 15:12 UTC (UTC+00:00)
Raw hash: 2a253f0ca3cc7880...

Imported snapshots across ATT&CK releases(1)

Release	Bundle imported	Object version	Modified	Status	Raw hash
19.1	Jul 14, 2026, 09:14 UTC (UTC+00:00)	2.1	May 12, 2026, 15:12 UTC (UTC+00:00)	Current bundle	`2a253f0ca3cc…`

Raw source

Mirrored ATT&CK source object

The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.

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Source references

External references and citations

MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.

[1]
North American Electric Reliability Corporation June 2021
North American Electric Reliability Corporation 2021, June 28 Glossary of Terms Used in NERC Reliability Standards Retrieved. 2021/10/11
Open source URL
[2]
mitre-attackA0001
Open source URL

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