Is your CPA firm leaking client data to AI?
Tax returns, financial statements, and SSNs are being pasted into ChatGPT and Gemini by staff trying to work faster. 1 MSP and DefensX bring real-time AI governance to every browser session.
Key Risks
The blind spots putting your IRS & GLBA obligations at risk
Client PII in AI prompts
SSNs, EINs, and financials pasted into AI tools instantly leave your perimeter.
Invisible to your WISP
Browser-based AI use bypasses the controls in your Written Information Security Plan.
Working papers uploaded to AI
Staff drag entire returns and ledgers into LLM file uploads with no oversight.
The DefensX Solution
A 4-step framework for real-time AI protection
DefensX secures the browser — where AI actually happens — with governance built for regulated industries.
Discover
Full visibility into every AI tool used across your workforce.
Block
Enforce corporate identity and stop unsanctioned AI access.
Secure
Inspect prompts in real time and block sensitive input before it leaves.
Govern
Audit every interaction and automatically train users in the moment.
IRS Pub 4557 / FTC Safeguards / GLBA
Mapped to the safeguards regulators care about
Identity-Bound Access
Block personal AI accounts; require firm SSO.
Audit Trail
Logged AI activity for your WISP and IRS reviews.
PII / Tax-Data DLP
Detect and block SSNs, EINs, and account numbers in prompts.
Staff Coaching
In-the-moment training tied to FTC Safeguards Rule.
Upload Controls
Stop returns, K-1s, and workpapers from being uploaded to LLMs.
Continuous Monitoring
Real-time visibility across every preparer and reviewer.
Why 1 MSP
Cybersecurity and AI governance — built for accounting firms.
We pair MSP operations with deep WISP, GLBA, and IRS Publication 4557 experience, delivered through the DefensX browser platform — so you keep client trust and pass every security review.
Schedule a Shadow AI Risk Assessment
See exactly where AI is being used across your accounting practice — and how to bring it under control.