How to use AI at work without leaking your data
Pasting the wrong thing into an AI tool can put your business at risk. Here is how to use AI at work safely, without the paranoia.
There is a quiet risk in how most people use AI at work: they paste whatever they are working on straight into a chat box without thinking about where it goes. Customer details, contracts, financials, private plans. Most of the time nothing bad happens. But "most of the time" is not a data policy, and it only takes one slip to cause a real problem.
The answer is not to ban AI, which just pushes people to use it secretly on their own accounts, which is worse. The answer is a handful of simple, sensible rules that let you get the benefit without the exposure.
Assume anything you paste might be stored
Start with a healthy default: treat the chat box like a postcard, not a sealed vault. Depending on the tool and its settings, what you type may be stored or used to improve the service. So the rule is simple, do not paste anything you would be uncomfortable seeing outside the business, unless you know the tool is set up to handle it properly.
Strip the sensitive bits
You rarely need the real names and numbers to get the help you want. Replace them. "Client A," "Supplier B," a made-up figure that keeps the shape of the real one. The AI helps you with the structure and the wording just as well, and nothing sensitive ever leaves your hands.
Before pasting, ask: does the AI actually need this real name, number or detail to help me? Usually it does not. Swap it for a placeholder and you lose nothing.
Two very different things can happen to text you paste in. Inference is the model simply reading your words to produce an answer in the moment, then moving on. Training is your text being kept and used to adjust the model itself, which is how something you typed could, in theory, resurface later for someone else. On free consumer tiers the default is often that your conversations may be retained and used for training unless you opt out. Business and enterprise tiers usually flip that default: a contractual no-training promise, shorter retention, and admin controls, sometimes with what is called zero data retention, where prompts are not stored at all once the answer is returned. That is the real gap between the free login and the proper plan. Redaction, swapping real names and numbers for placeholders before you paste, is your own layer on top, and it is the one that protects you whatever tier you are on, because data the tool never receives cannot leak.
Know that business tools are different from free ones
The free, personal version of a tool and its proper business version are not the same on privacy. Business and enterprise plans often promise not to train on your data and give you real controls. If AI is becoming part of how you work, using the right tier, with the right settings, is worth doing deliberately rather than drifting along on a personal login.
Be especially careful with other people's data
Your own business information is your risk to take. Your customers' personal data is not, it comes with legal duties. Be particularly careful about pasting anything that identifies a real person into a tool you have not checked. This is where a casual habit can turn into a genuine compliance problem.
Give your team one clear rule
Most leaks are not malice, they are people trying to get their job done with no guidance. So give them guidance: which tool to use, what is fine to paste, what must be stripped or kept out. A single page everyone understands prevents far more harm than a vague sense that people should "be careful."
Used with these basics, AI is no riskier than the other tools you already trust with your work. The danger is not the technology, it is using it without a moment's thought about what you are feeding it.
If you want AI working across your business with the data side handled properly, the right tools, settings and a clear policy, that is exactly the kind of thing we set up.
Book a quick chat →Related: How to spot AI-generated scams, fakes and dodgy emails.
Common questions
Is it safe to put business information into AI?
It can be, with a few rules. Treat the chat box as potentially stored, strip out real names and numbers where you can, and use proper business-tier tools with the right privacy settings rather than a free personal login.
What should I never paste into AI?
Anything you would be uncomfortable seeing outside the business, and especially personal data about customers, which carries legal duties. If the AI does not actually need the real detail to help, swap it for a placeholder.
How do I stop my team leaking data through AI?
Give them one clear rule sheet: which tool to use, what is fine to paste, and what must be stripped out or kept off it entirely. Most leaks come from people with no guidance, not bad intent.