PromptShield
v0.1.0 Released$0 VPS RuntimesEnterprise In-Browser AI Data Loss Prevention (DLP) & Prompt Firewall
PromptShield stops API credentials, database URIs, employee PII, and project codenames from leaking into public AI chatbots (ChatGPT, Claude, Gemini, DeepSeek, Copilot, Perplexity). Evaluates prompts locally in volatile browser memory in < 4ms with $0 recurring cloud compute cost.
Interactive In-Browser DLP Simulator
Type or paste secrets below. PromptShield evaluates regex signatures and Shannon entropy (H > 4.5) on CPU.
Protected AI Chat Platforms
chatgpt.com, chat.openai.com
claude.ai
gemini.google.com
chat.deepseek.com
copilot.microsoft.com
perplexity.ai
Enterprise Fleet Capabilities
Available under the PromptShield Enterprise License for high-compliance engineering teams.
Central Fleet Policy Sync
Push company-wide regex rules, project codenames, and forbidden IP signatures across 10,000+ workstations via api.promptshield.io with HMAC-SHA256 signatures.
Real-Time SIEM & SOC Streaming
Turnkey telemetry exporters for Splunk HEC, Datadog Logs, and ArcSight / Microsoft Sentinel Common Event Format (CEF) with zero plaintext leakage.
Synthetic Canary Honeypots
Injects decoy API tokens and canary credentials into employee browser sessions to mathematically detect if third-party LLMs retain private customer data.
Windows GPO & Jamf Deployments
Pre-configured Chrome Enterprise ExtensionInstallForcelist policies, Chromium master preferences, and Windows Registry .admx templates.
Protect Your Company Prompts Today
Start for free on your personal laptop or deploy company-wide fleet policies with zero backend server overhead.