Secure, Local AI That Stays in the Building
A laptop with a public AI app is a side door out of your network. One pasted contract, one uploaded spreadsheet, and your data is on infrastructure you’ll never see. Secure local AI shuts that door: the model runs on a machine on your LAN, answers stay on your LAN, and — if you want — the box never touches the internet at all.
The leak you don’t know you have
“Shadow AI” — staff quietly pasting work into free tools — is the leak most Texas businesses don’t know they have. Blocking it kills productivity; ignoring it leaks data.
A local model gives people the tool without the side door: same convenience, none of the data leaving the building.
Air-gap option
A fully offline build with no route to the public internet — the strongest data-exfil control there is.
LAN-only inference
The model is reachable from office devices only. No outbound calls, no telemetry.
Replace shadow AI
A sanctioned in-house assistant so staff stop pasting into free public tools.
Local-first updates
Signed updates applied on your schedule via controlled media. Nothing auto-connects.
Where the data can actually go
| Exfil path | Works offline | Your logs | |
|---|---|---|---|
| Free public app | Yes | No | No |
| Hosted “private” SaaS | Reduced | No | Partial |
| TIS Secure Local AI | None on air-gap | Yes | Full |
The local box itself is a local LLM server. This page is part of our main private AI infrastructure work.
Local AI installed across Sugar Land and Richmond
Offices in Sugar Land and Richmond that handle records they can’t risk pasting into a public tool get a sanctioned local assistant set up on-site — the model on the LAN, the data staying put. See our Texas service areas.
Local & air-gap questions
What does “air-gapped” actually mean here?+
The AI server has no physical or network path to the public internet; data can only move via controlled media you handle.
Is local AI as capable as the cloud version?+
For most business tasks, yes — we size the hardware to run capable open models locally without rate limits.
How do we stop staff using public AI tools instead?+
We give them a sanctioned local assistant that’s faster and unmetered, then you can policy-block the public ones.
Can secure local AI still pull from our internal systems?+
Yes, on your LAN — it can read your document store or database internally without anything leaving the network.
What happens to the data the AI processes?+
It stays on your server. Retention and deletion are set by you, logged on hardware you control.
Does going local mean we lose updates and improvements?+
No. We apply vetted, signed updates on a schedule you approve.
Is an air-gapped server overkill for our business?+
For most businesses, yes — LAN-only inference with strong access control already keeps your data in the building. A full air-gap removes the internet path entirely and is meant for the highest-sensitivity cases (privileged legal work, CUI, IP you cannot risk). It trades convenience for isolation, so we scope which tier actually fits in a readiness audit. Our air-gapped AI server guide weighs who genuinely needs it.
Back to Private AI Security · see the full private AI infrastructure stack and business data privacy · or get it installed.
Three tiers of isolation
"Local" is not one setting — it is a spectrum. Most businesses land on LAN-only with strong access control; the highest-sensitivity cases go all the way to an air-gap. Here is the plain-English difference and who each tier is for.
| Tier | What it means | Who it's for |
|---|---|---|
| Air-gapped | No physical or network path to the internet; updates arrive on controlled media only. | The highest-sensitivity cases — privileged legal work, CUI, IP that cannot risk any outbound path. |
| LAN-only | Reachable from office devices on your network; no outbound calls leave the building. | Most businesses — strong data control with normal day-to-day convenience. |
| Segmented (VLAN) | On its own isolated network zone so the AI box reaches only what it needs. | Teams fitting AI alongside a regulated environment (e.g., a cardholder zone) it must stay clear of. |
Choosing the right tier is its own decision — our air-gapped AI server guide covers the trade-offs and who genuinely needs no internet at all.
The shadow-AI exposure most owners can't see
Shadow AI is the quiet pattern of staff pasting work — contracts, patient notes, client financials — into free public AI tools to get a task done faster. Each paste is an unsanctioned copy of your data leaving your control, and because no one signs off on it, most owners have no record it happened and no way to set retention on it. A blanket block kills the productivity people are reaching for; doing nothing leaves the leak open. A sanctioned local assistant closes the gap by giving staff a faster, unmetered tool that keeps the data in the building. For regulated data, that exposure can also undercut your compliance posture — see our AI compliance for Texas businesses guide.
Close the side door — secure your AI locally
We’ll scope a local, sanctioned assistant — air-gapped if you want it — installed on-site across Houston and Fort Bend County, so staff stop leaking work into public tools. No monthly-fee pitch.