AI tools such as ChatGPT, Claude, and Gemini are now used for writing, research, coding, brainstorming, customer support, and everyday work.
They can save time, but they can also receive information you may not want to share widely. Learning how to use AI tools securely starts with a simple rule: think carefully before entering personal, confidential, or business-sensitive information.
Good AI security combines smart sharing habits, strong account protection, privacy settings, trusted apps, and secure internet practices.
Let’s find out how to use AI tools securely in this blog.
Why AI security matters
Anything you enter into an AI tool may become part of your conversation history or be processed according to that provider’s privacy settings and policies.
The exact rules vary by service, account type, and workspace settings.
Sensitive information can include:
- Personal information: Home addresses, phone numbers, ID numbers, or financial details
- Login information: Passwords, recovery codes, API keys, or authentication tokens
- Business data: Internal strategies, private reports, customer information, or unreleased projects
- Client information: Documents or messages containing confidential customer data
- Private files: Contracts, financial records, medical documents, or identification documents
Treat an AI prompt much like information entered into another online service. If the information should stay confidential, check the platform’s privacy controls and your organization’s rules before sharing it.
How to keep your AI data secure
You do not need complicated tools to improve AI data security. Start with a few basic habits.
Do not paste passwords or secret keys
Never enter passwords, banking PINs, recovery codes, private API keys, or authentication tokens into an AI chatbot.
If you need help troubleshooting code, replace real credentials with placeholders.
For example:
API_KEY=your_test_key_here
This lets you explain the problem without exposing the real credential.
Remove personal information when possible
Before uploading a document or pasting text, remove information the AI doesn’t need.
You can replace:
- Customer names with Customer A
- Email addresses with example addresses
- Account numbers with dummy values
- Company secrets with general descriptions
This gives the AI enough context to help while reducing unnecessary exposure.
Use strong account security
Protect your AI accounts with:
- Strong and unique passwords
- Multi-factor authentication when available
- Updated recovery information
- Secure password management
Don’t reuse the same password across multiple AI platforms.
Check privacy and training settings
Major AI services provide different controls for conversation history and model improvement.
In ChatGPT, users can open Settings > Data controls and turn off “Improve the model for everyone.” OpenAI says it will then not use new conversations to train its models. Temporary Chat can also keep a conversation out of normal chat history and model improvement while it remains temporary.
Claude consumer users can change the “Help Improve our AI models” setting under Privacy. Anthropic says it doesn’t use new chats for future model training when this setting is turned off, except for certain safety-related processing described in its policies.
Gemini users can manage the “Keep activity” setting. Google says chats saved with activity enabled may be used to improve services, including generative AI models. Turning the setting off prevents future chats from being used for model training unless you submit feedback, though Google says it may still retain chats temporarily for service and safety purposes.
Settings can change over time, so check the provider’s current privacy page instead of relying on an old guide.
Use official AI apps and websites
Fake AI apps, browser extensions, and imitation websites can create unnecessary security risks.
Download AI apps from:
- The provider’s official website
- Apple App Store
- Google Play
- Microsoft Store or another official platform supported by the provider
Check the developer name before installing anything.
Be especially careful with browser extensions that request access to:
- Everything you type
- All websites you visit
- Clipboard contents
- Files and downloads
- Email or cloud accounts
Grant only the permissions needed for the feature you want to use.
Review connected apps and integrations
AI tools can connect with email, cloud storage, calendars, workplace apps, and other services.
Those connections can be useful, but each one may expand the information available to the AI service or a third-party provider.
Review connected apps regularly.
Remove old integrations you no longer use and check what permissions active integrations have.
This is especially important for business accounts that contain client files or internal documents.
Can a VPN help when using AI tools?
When connected, a VPN encrypts traffic between your device and the VPN server. This can help when you use AI tools through hotel Wi-Fi, airport networks, cafés, shared accommodation, or other networks you don’t manage.
A VPN can also replace your public-facing IP address with the VPN server’s IP while connected. Still, a VPN does not hide the information you deliberately send to an AI provider.
If you type a customer name, upload a confidential report, or paste an API key into an AI chatbot, the AI service can still receive that information. A VPN protects the connection path. It does not replace the AI provider’s privacy settings or data policies.
How to set up a VPN before using AI tools
Symlex VPN can be used as an additional network privacy tool when accessing AI services.
Step 1: Download the official app
Install Symlex VPN from the website or your device’s authorized app store. It currently supports Android, iOS, Windows, macOS, Ubuntu, and Fire TV. Avoid unknown APK sites or unofficial installers.
Step 2: Create your account
Create an account using a strong password. Symlex VPN currently offers a 5-day free trial with no card required, letting users test most available servers and features before choosing a plan.
Step 3: Install and open the app
Complete the setup and grant only the permissions required for the VPN to operate. Review any permission request you do not understand before accepting it.
Step 4: Choose a suitable server
A nearby server is usually a practical starting point because long-distance routing can add latency.
VPN performance can vary based on server distance, network conditions, protocol, and your original connection.
Step 5: Confirm the VPN is connected
Check the connection status inside the VPN app. Then open your preferred AI service and use it normally.
What does a VPN protect when you use AI?
It helps you understand the limits.
| VPN feature | What it can help with |
| Connection encryption | Protects traffic between your device and the VPN server |
| Public IP privacy | Replaces your public-facing IP with the VPN server’s IP |
| Shared network protection | Adds another privacy layer on unfamiliar Wi-Fi |
| Kill switch | Can block internet access if the VPN disconnects unexpectedly |
| Split tunneling | Lets selected apps use the VPN while others use your regular connection |
A VPN does not prevent an AI provider from seeing information you submit directly.
It also does not guarantee anonymity, stop every cyberattack, detect every phishing page, or prevent you from accidentally sharing sensitive data.
VPN features that are useful for AI users
If you regularly use AI tools while traveling or working remotely, a few VPN features can be useful.
Kill switch
A kill switch can block internet access if the VPN connection unexpectedly drops.
Symlex currently includes kill switch functionality.
Split tunneling
Split tunneling lets you select which apps use the VPN connection.
For example, you could route your browser through the VPN while allowing another supported app to use your regular network.
Symlex currently lists split tunneling as one of its VPN features.
Multiple server locations
A broad server network gives you more nearby connection options.
Symlex currently lists more than 1,000 servers across 100+ locations.
Multiple device support
AI tools are often used across phones, laptops, and tablets.
Symlex VPN lets you use one account across multiple supported devices, making it easier to maintain consistent VPN access across your everyday devices.
Other ways to use AI tools more securely
A VPN should be one part of your security setup, not the entire strategy.
Keep apps and browsers updated
- Updates often include important security fixes.
- Update your browser, operating system, AI apps, and VPN software regularly.
Check AI-generated links
AI tools can make mistakes. Do not assume a generated link, download, email address, or website is trustworthy just because an AI assistant provided it. Check important information before opening files or entering account details.
The UK’s National Cyber Security Center notes that generative AI systems can produce incorrect information and can also face risks such as prompt-injection attacks.
Be careful with uploaded documents
- Review documents before uploading them.
- Remove confidential sections if they aren’t needed for the task.
- For business use, follow your company’s data-handling and approved-AI policies.
Review old chats
- Check old conversations from time to time.
- Delete conversations you no longer need according to the controls available on the platform.
- Keep in mind that deletion and retention rules differ between providers.
Protect shared devices
- Do not leave AI accounts signed in on computers used by other people.
- Sign out when you finish, and avoid letting browsers save passwords on public or shared devices.
What should you never share with an AI chatbot?
As a simple rule, avoid sharing information that could create serious problems if exposed or misused.
This includes:
- Passwords
- Authentication codes
- API keys
- Banking PINs
- Full payment card details
- Government ID numbers
- Private customer records
- Confidential company information
- Unreleased financial information
- Sensitive documents you do not have permission to share
If an AI task requires sensitive material, check your employer’s policy and the AI provider’s business-data terms first.
Bottom line
Learning how to use AI tools securely is mostly about controlling what you share. Do not enter passwords, secret keys, private customer information, or confidential documents unless you have a clear reason and permission to do so. Use strong account security, review AI privacy settings, remove unused integrations, and install software only from trusted sources.
Frequently asked questions
You can use AI tools safely for many everyday tasks when you follow basic privacy and account-security practices. Avoid unnecessary sensitive information and review each service’s privacy controls.
Storage and retention depend on the provider, product, account type, and settings. ChatGPT, Claude, and Gemini all provide privacy or data controls, but their policies differ. Check the current settings for the service you use.
No. A VPN protects network traffic between your device and the VPN server. Your chosen AI provider still receives the prompts, files, and other information you submit to its service.
No. You don’t need a VPN for normal AI use. It can add an extra layer of network privacy, especially when you use shared or unfamiliar internet connections.
No. A VPN cannot control an AI platform’s data storage, training settings, account records, or privacy policies. Use the platform’s privacy controls alongside good security habits.