Free tools Windows power users keep installed
One-click scans. No signup required.
Running a model on your own computer can reduce how much you send to a remote inference provider, but it does not automatically protect your files, model downloads, logs, network interface, or connected tools. To run local AI with less risk, verify what you install, limit what it can reach, and keep a person in control of consequential actions.
What “local” does—and does not—protect
“Local” describes where inference runs. It does not, by itself, establish that a model file is trustworthy, that prompts stay only on your device, or that an AI interface is unreachable from your network. A local setup may also save conversations, create embeddings or temporary files, or connect to external services through an integration. The details depend on the software and version you use.
As an Amazon Associate I earn from qualifying purchases.
OWASP’s guidance for AI and machine-learning operations, prompt injection, and agents treats security as a lifecycle issue: protect artifacts, restrict runtime access, validate inputs, and supervise actions. Use the following practices as layers rather than relying on one setting to make a setup safe.
10 security practices for local AI
1. Check a model’s origin before importing it
Treat model weights, adapters, and related files as third-party software. Before loading one, check who published it, whether its provenance is clear, and whether the publisher provides integrity information you can verify. A familiar download location is not, by itself, proof that a file is safe.
#1 Best Overall
- Compatible Model(s): Magicmoon brand filter only for 24 inch -diagonally measured - widescreen monitor - aspect ratio 16:9 - filter size: width: 20 15/16", Height: 11 13/16" (531mm x 298mm)
- Superior Privacy: The computer privacy filter makes the screen appear dark when looking at it from an angle (the angle is about 30 to 60 degree), but bright when looking directly at it. To change the privacy level - simply adjust your monitor’s brightness accordingly
- Eye and Screen Protection: Privacy Filter does not only protect your private life but also protects your eyes by blocking 30% of blue light , blocking the harmful blue light between 380 to 495 nm, it filters out the blue light and relieves eye strain
- Perfect For Open Workspaces: Great for maintaining screen privacy in open work spaces
- Includes Two Options: Option 1 uses clear adhesive strips that securely attach to any computer screen. Option 2 (for computer screens with a raised bezel only) uses slide mount tabs that easily stick to the display frame, allowing you to slide the privacy screen filter on and off as needed
OWASP’s Secure AI/ML Model Ops guidance identifies unvalidated third-party models and malicious model files as risks. If you cannot establish where an artifact came from or verify its integrity, do not use it with sensitive data or broad system access.
2. Keep the inference interface off the network unless you need remote access
Check which address and network interfaces your inference server listens on. If you only use it on the same computer, avoid exposing the service to your local network or the internet. If another device needs access, require appropriate authentication and authorization rather than assuming that a local service is private.
OWASP identifies unauthenticated inference APIs as a security concern and recommends authentication, authorization, input validation, and rate limiting. Network binding and security defaults vary by runtime and version; consult the current official documentation for the software you actually use instead of assuming a particular default.
Do these 3 things before closing this tab:
1Repair Windows errors before they cause bigger problems2Scan for outdated or missing drivers - takes under a minute3Clear out junk files and repair common Windows errors3. Give the model the smallest practical permissions
A text-generation task usually does not require unrestricted access to your documents, shell, devices, or network. Grant only the files and tools needed for that task. Prefer read-only access when the model needs to inspect material but not change it, and avoid granting access to an entire home directory when a dedicated folder will do.
Rank #2
![[2 Pack] 24 Inch Computer Privacy Screen Filter for 16:9 Widescreen Monitor](https://m.media-amazon.com/images/I/41SBKw3J4ML._SL160_.jpg)
- 【24 PRIVACY FILTER DIMENSIONS】 Width: 20 15/16" (20.9 inches/532 mm), Height: 11 13/16" (11.8 inches/299 mm) - 16:9 Aspect Ratio. Mamol computer privacy filters are designed to be perfectly compatible with HP, Samsung, Dell, Lenovo, Acer, Asus, LG, ViewSonic and other brands of monitors. Please check the width and height dimensions of your computer screen before ordering. If you have any questions about the dimensions, please contact us.
- 【ENHANCED PRIVACY PROTECTION】Mamol 24 inch computer privacy filter keeps your electronic information confidential, making it excellent for use in high traffic areas. the computer privacy screen 24 inch is designed with advanced microlouver technology to block visibility at around 30 degrees and black out screens completely near 60 degrees.
- 【EYES PROTECTION】 This blackout privacy screen greatly reduces eye strain and minimizes potential hazards to vision. It filters 99.9% of UV rays and suppresses 98% of blue light. As a reversible 24-inch privacy screen filter: The glossy side of the protector provides extra clarity and greater privacy, and the matte side minimizes glare and distracting reflections. Satisfy your different daily uses as needed.
- 【BETTER HD CLARTIY】Mamol 24 inch computer privacy screen Shield adds an extra layer of AR Ultra HD light transmission compared to others. It maintains the high definition of the screen without sacrificing too much screen brightness. It won't reduce the brightness and cause eye fatigue because of the privacy screen installed on the screen.
- 【ANTI SCRATCH & WASHABLE 】Our privacy anti-glare Monitor film has a surface enhancement layer to protect the privacy filter from scratches and fingerprints. It is washable and reusable. Even after prolonged use, you will get a brand new privacy screen for your desktop computer monitor after cleaning. Very Durable!
OWASP’s AI Agent Security guidance warns that tools can be misused and that agents can escalate the impact of a mistake. Restrict permissions in the operating system or integration that enforces them; do not rely on the model’s own instructions to police its access.
4. Treat retrieved documents and web content as untrusted input
Prompt injection is malicious content intended to change how an AI application behaves. It can be typed directly, but it can also be hidden in a webpage, email, document, code comment, or project record that a model is asked to read. A local model is not immune simply because its inference runs on your computer.
Keep retrieved or quoted material clearly separated from trusted instructions, validate inputs, and monitor outputs. Do not treat text found inside a document as permission to reveal information or take an action. OWASP’s prompt-injection guidance recommends separation and human review; those controls matter especially when the model can use tools.
5. Require approval before consequential actions
Before an agent deletes or edits files, sends a message, installs software, or changes a setting, review the exact action and its target. Keep high-impact operations under human control rather than allowing an agent to perform them automatically.
Rank #3
- 【Privacy Filter Dimensions】- Width: 20 15/16" (532 mm), Height: 11 13/16" (299 mm), Diagonal: 24" (609.6 mm) - SightPro Blackout Privacy Screen Filter is engineered to be compatible with HP, Dell, Samsung, Lenovo, LG, Acer, ASUS, ViewSonic, and other monitor brands. Please verify your computer screen's width and height measurements before ordering. It's not recommended to make your selection based solely on your computer screen's diagonal size.
- 【Two Attachment Options】- Installs in minutes. Option 1 uses clear adhesive strips that securely attach to any computer screen. Option 2 (for computer screens with a raised bezel only) uses slide mount tabs that easily stick to the display frame, allowing you to slide the privacy screen filter on and off as needed.
- 【Superior Privacy and Anti Glare】- Our advanced multi-layered film filter blacks out your computer screen when viewing from the side, while maintaining a crystal clear screen straight-on. It also protects your eyes from harmful glare, UV, and blue light. [Note: It does not block visibility directly behind you, regardless of the distance.]
- 【Perfect for Travel and Open Workspaces】- Our computer screen privacy filter is the ideal solution for healthcare providers, mobile workers, commuters, students, and business travelers. Now you can stay compliant and safeguard sensitive corporate information while working in airplanes, subways, airports and public areas.
- 【Package Contents】- Each package includes one privacy screen shield filter, two sets of clear adhesive strips, two sets of slide mount tabs, and a microfiber cleaning cloth. Buy with confidence – located in the US, Sight Pro specializes in providing best-in-class privacy solutions to individuals, small businesses, corporations, government, and educational institutions. Our privacy screens are Section 889 and TAA compliant.
Approval should happen at the point where the action is authorized, not merely as a general instruction in a prompt. OWASP recommends explicit authorization for sensitive tool operations and human oversight for high-impact actions.
6. Keep secrets out of prompts, notebooks, and source code
Do not paste passwords, API keys, private tokens, or other credentials into prompts or save them in notebooks and source files. A local model may not send a prompt to a remote inference provider, but saved conversations, logs, backups, or connected tools can still expose a secret.
If an integration needs credentials, store them using an appropriate secret-management method and limit their permissions to what the integration requires. OWASP identifies hardcoded secrets as a common problem and recommends secret managers or controlled secret injection.
The Tool Desk
Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →7. Protect model files, datasets, prompts, and logs on disk
Limit who and what can access model artifacts and sensitive data. Use encryption at rest for storage that holds sensitive material; ordinary operating-system disk encryption may meet that need. Also check what your interface retains: conversations, cached embeddings, temporary files, and diagnostic logs may remain even after a session ends.
Rank #4
- 【PRIVACY FILTER DIMENSIONS】- Width: 20 15/16" (532 mm), Height: 11 13/16" (299 mm), Diagonal: 24" (609.6 mm) - Peslv Dark 24 inch Privacy Screen Filter is engineered to be compatible with 24in Dell, HP, Samsung, Lenovo, LG, Acer, ASUS, Toshiba, ViewSonic, Aoc, Sceptre, PHILIPS, ViewSonic and other brands monitors with 16:9 aspect ratio. Please verify your computer screen's width and height measurements before ordering. It is not recommended to select a size based solely on the diagonal.
- 【HIGH-CLASS PRIVACY ABLE】Peslv collected suggestions from more than 2000 computer users and performed 22188 anti-peep angle corrections on the micro-blind optical technology to ensure that any line of sight beyond +-30° facing the screen will be shielded. With a Peslv computer privacy screen 24 inch, Protect the privacy of your computer monitor screen and no longer leak any confidential data.
- 【2 MOUNTING OPTIONS FOR EASY INSTALLATION】The Peslv 24 inch privacy screen for monitor supply 2 installation options, Various installation options, are Compatible with both 24" computer monitors with raised bezels and full-screen 24" computer monitors without raised bezels, and convenient installation allows you to complete the installation in 9 seconds. NOTE: Monitors without raised bezels are only available with mounting option 2.
- 【EXCLUSIVE DOUBLE-SIDED TECHNOLOGY】24-inch monitor privacy filter has a double-sided surface technology developed by Peslv. Matte or Glossy. With the matte surface facing outward, you can experience the advanced AG anti-glare technology from Germany while maintaining a 30-degree privacy angle, softening the strong light outdoors, and making the screen content clearly visible. With the glossy side facing outward, you can get a super anti-peeping effect with a privacy angle of 26 degrees.
- 【PROTECT SCREEN ALSO EYES】Filtering optical materials imported from Japan can reduce 92% of blue light and 98% of UV light, and filter all harmful light emitted from the screen to protect your eyes. The high-transparent and reinforced built-in protective layer not only presents high-definition picture quality but also protects your screen from scratches. Hurry up and place an order, own a privacy screen for a computer monitor 24 inch, and protect your monitor screen and your eyes.
Remove retained artifacts you no longer need where the software allows it, and restrict access to logs and intermediate outputs. OWASP’s Secure AI/ML Model Ops guidance recommends protecting weights and datasets, limiting access to logs, and clearing temporary artifacts where supported.
8. Isolate experiments involving files or models you do not trust
Run untrusted model conversion, evaluation, or fine-tuning in a sandbox or isolated environment where practical. Restrict filesystem access and outbound network connections. If you serve a model in a container, avoid mounting sensitive host directories or container-management sockets into it unless there is a specific, necessary reason.
Isolation reduces the damage a compromised or misbehaving workload can cause; it does not make unsafe files trustworthy. OWASP recommends isolated workers or sandboxes with restricted egress for untrusted jobs and limiting host access from serving containers.
9. Limit resource use and watch for unexpected activity
Where your server or agent provides controls, set sensible limits for requests, concurrency, compute, and retries. Watch for unexpected usage, repeated requests, or tool calls that do not fit the task. These controls can help contain runaway workloads and unusual behavior.
Best Value
- [How To Determine The Screen Size]: Before Purchasing Our 24 inch privacy screen for monitor, Please Measure The Size Of Your Computer Screen First. Our computer privacy screen 24 inch Is Suitable For Computer Screens With A Width Of 20.92 Inches (53.13 Cm), A Height Of 11.77 Inches (29.89 Cm), And A Diagonal Length Of 24 Inches (60.96 Cm). (It Is Not Recommended To Choose The Size Only Based On The Diagonal Length.) The ZOEGAA 24-Inch 16:9 computer privacy screen Is Compatible With HP, Samsung, Dell, Lenovo, Acer, ASUS, Viewsonic And Other 24-Inch 16:9 Computer Monitors. Welcome To Your Purchase!
- [Outstanding Privacy Effect]: The Engineer Team Of ZOEGAA Has Collected Suggestions From Over 5,000 Computer Users And Corrected The Anti-Peep Viewing Angle Of The Micro-Blind Optical Technology For 35,462 Times To Ensure That The View Beyond ±30 Degrees Will Be Hidden. People On Your Left And Right Will See A Black Screen.
- [How To Install]: ZOEGAA 24 inch monitor privacy screen Supports 2 Installation Methods. The First One Is The Insert Type Installation, Which Is removable. The Second One Is The Mounting Adhesive Installation, Which Is Non-Detachable. For Detailed Installation Methods, Please Refer To The Pictures Or Videos In The Listing.
- [Better Clarity]: ZOEGAA privacy screen 24 inch monitor. It Has Added An AR High-Definition Light-Transmitting Layer, Which Enables The computer monitor privacy screen To Maintain Its Original Clarity While Achieving The Anti-Spy Effect; It Will Not Cause Eye Fatigue Due To The Installation Of The privacy screen for monitor.
- [Reversible Glossy And Matte Surfaces]: The 24 in privacy screen for monitor Of ZOEGAA Has Two Different Surface Textures - The Glossy Surface Offers Better Anti-Peeping Effect, While The Matte Surface Provides Better Anti-Glare Performance. The Matte Surface Is Suitable For Use In Strong Light Environments. This 24 inch monitor privacy screen Also Has Anti-scratch And Anti-Fingerprint Functions, Ensuring That You Won't Worry About Being Damaged By sharp Objects During Use. It Is Washable And Can Achieve A Brand-New Appearance After Being Washed.
OWASP recommends rate limits, per-workload resource limits, monitoring, and alerts for abnormal usage. The available controls differ across runtimes, so verify what your software exposes rather than assuming a particular limit is enabled.
10. Verify security-critical output independently
A local model can still produce incorrect or manipulated answers. Check security advice against trusted documentation, and inspect commands or code before running them. Treat an agent’s proposed action as a suggestion until you have reviewed what it will do and the resources it will affect.
OWASP’s AI security guidance discusses hallucination, misinformation, and overreliance. Independent verification is especially important when an answer could change system security or expose sensitive information.
Match safeguards to how you use the model
A standalone chat interface, a retrieval system that reads your files, and an agent that can act through tools have different exposure points. When reviewing a setup, check the areas that apply to it:
- Standalone inference: model provenance, network reachability, authentication, prompt and log retention, and resource limits.
- Retrieval over your files or web content: all of the above, plus which documents can be indexed, how embeddings and caches are stored, and how untrusted content is separated from instructions.
- Tool-using agents: all relevant checks above, plus the permissions granted to each tool, network egress, approval for consequential actions, and monitoring for unexpected tool calls.
These checks follow the risk areas covered by OWASP’s Secure AI/ML Model Ops, LLM Prompt Injection Prevention, AI Agent Security, AI Security Overview, and Large Language Model Security Verification guidance. No single control substitutes for checking how the particular runtime handles networking, authentication, logging, and file access.
Quick Recap
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.
