The Tool Desk
Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Manage an unsupported operating system in an industrial control system (ICS) as a documented risk condition while you assess a supported replacement. First understand the computer’s role and dependencies; then apply safeguards that reduce exposure without disrupting process safety, reliability, or availability. Compensating controls are alternatives intended to preserve the security purpose of controls that cannot be used—not waivers that make the risk disappear.
Confirm what is unsupported and how the system is used
“Unsupported” can describe the operating system’s lifecycle, the ICS vendor’s support position for that operating system, or both. Verify the status rather than assuming that an old computer is unsupported—or that one vendor’s support covers every component. The security decision depends on the specific installation.
Build an inventory that records the operating-system version, device and process role, owner, network connections, dependencies, vendor support position, and available safe maintenance windows. Identify what communicates with the host, which services or protocols the process needs, and what could happen if the computer or a connection becomes unavailable. Assess whether migration or replacement is feasible and which technical or operational dependencies affect the timing. This is a practical assessment approach, not a specific inventory template mandated by NIST.
NIST’s Guide to Operational Technology (OT) Security, SP 800-82 Rev. 3, is final guidance published in September 2023. Rev. 4 was published as an initial public draft on September 21, 2026, with a listed comment deadline of November 30, 2026. Treat Rev. 4 as a draft, not finalized guidance. It expands discussion of asset management, network monitoring and detection, and security architecture. Both editions recognize that OT security choices must account for performance, reliability, and safety requirements.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
Choose safeguards that fit the process
There is no single compensating control that makes every unsupported ICS endpoint safe. Compare options against the actual process, approved communications, operational constraints, and residual risk. NIST’s ICS guidance describes compensating controls as alternative safeguards that accomplish the intent of controls that cannot be effectively applied. It also recognizes that procedures or other nonautomated mechanisms may be appropriate where an automated control cannot be used.
| Safeguard | What it can address | What to validate |
|---|---|---|
| Network segmentation and restricted communications | Reduces reachable paths between the legacy host, other OT assets, and other networks. | Confirm that required process communications still work and that the design does not create an unsafe or unreliable failure mode. CISA identifies VLANs and access control lists (ACLs) as examples of segmentation controls. |
| Passive network monitoring or detection | Can provide visibility into communications without installing monitoring software on a fragile endpoint. | Check that monitoring is genuinely passive where required, covers relevant traffic, and will not affect the process. NIST’s Rev. 4 draft highlights OT network monitoring and detection. |
| Centralized logging or external audit processing | Can move some collection or review away from a constrained host. | Confirm what the endpoint can safely provide and whether the approach meets operational and vendor requirements. NIST’s older Rev. 2 ICS guide notes that audit processing may be performed on a separate information system; verify that approach against current guidance and the specific installation. |
| Restricted administrative and remote access | Limits who can make changes or connect to the host. | Document approved access paths, responsibilities, and procedures for cases where the endpoint cannot enforce the desired control itself. |
| Documented change procedures | Provides a controlled way to authorize and track changes when automated controls are unavailable. | Specify approval, implementation, and review steps that operators can follow without compromising safe operations. |
CISA identifies unsupported operating systems as a common misconfiguration. Its VLAN and ACL examples are control categories, not a prescribed topology for a particular plant. A design must be checked against the installation’s process communications and safety needs.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
Implement and validate changes without destabilizing operations
- Map the approved communications. Use the asset and dependency information to identify which connections and services are required for the process. Do not block traffic simply because it appears unfamiliar; resolve its function with the responsible OT and vendor teams.
- Select safeguards by their effect on risk and operations. Consider safety and process impact, reliability and availability, how much exposure or reachable attack surface is reduced, compatibility with vendor-supported protocols and maintenance, monitoring coverage and operational burden, residual risk, and time to replacement.
- Test in a representative environment or approved maintenance window. Check the effect of proposed changes on process behavior, reliability, and safety before production rollout. The appropriate test method depends on the installation; no one method is established for every ICS.
- Roll out under controlled change procedures. Record what was changed, who approved it, and how operators can recognize and respond to unexpected effects. Coordinate with the people responsible for the process and its safe operation.
- Monitor whether the safeguard continues to work. Define who reviews access, logs, or network observations, what they will look for, and how a problem is escalated. Reassess controls when process communications, dependencies, or the system’s support status changes.
Do not assume that installing antivirus, adding a firewall, isolating a computer, or applying a patch will make an unsupported system safe. Any of these measures can be unsuitable or insufficient in a particular installation. Confirm operating-system lifecycle, ICS vendor support, protocol dependencies, safety implications, and applicable regulatory duties before implementation.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Document residual risk and plan the transition
A compensating control should have a clear rationale: identify the baseline control that cannot be applied, explain why, and describe how the alternative preserves its security intent. NIST’s Rev. 2 ICS guidance calls for rationale, risk acceptance, and recording the decision in the ICS security plan. Treat the remaining exposure as residual risk: identify who is authorized to accept it and how the controls will be monitored.
Do these 3 things before closing this tab:
1Scan for outdated or missing drivers - takes under a minute2Repair Windows errors before they cause bigger problems3Fix the driver behind crashes, sound loss and screen glitchesRank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Record the conditions or date that will trigger reassessment, along with a supported replacement or migration plan. A safeguard can reduce exposure in the meantime, but it does not resolve the lifecycle issue or eliminate the need to revisit the risk.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
