Legal AI has come a long way in a short time. Today's tools can summarize documents, suggest clauses, flag anomalies, and help inform decision-making. But for all the focus on speed and performance, one issue continues to be overlooked or misunderstood: data security.
And in legal, it's not just a nice-to-have. It's everything.
Compliance and confidentiality is key
Legal teams hold some of the most sensitive, commercially valuable information that exists: mergers and acquisitions timelines, litigation strategies, deal terms, and client know your customer (KYC) files. Leaks aren't just embarrassing—they're potentially catastrophic. For law firms, the consequences can range from fines and reputational loss to disbarment and having legal licenses removed.
That's why legal teams are rightly cautious about adopting any technology that touches their client’s data. And with AI, the risks are still being understood—and in some cases, underestimated.
The black box problem
Many legal AI tools are built on top of general-purpose large language models (LLMs), like OpenAI or Claude. While powerful, these models introduce a range of data security concerns:
Where is the data stored?
Who can access it?
Is it used to train the model further?
Could your prompts or documents be inadvertently exposed to other users?
The answer is often buried in the small print, and the reality isn't always reassuring.
In some cases, legal documents uploaded to an AI tool may be processed via third-party APIs hosted in other jurisdictions. In others, the model provider may retain inputs for further training, unless you opt out—assuming that's even an option.
For clients and firms operating under strict confidentiality rules, that's a non-starter.
Why it matters
The real promise of AI in legal isn't in flashy features—it's in confidence. Confidence that you're making the right call. That the information in front of you is accurate. And that the system supporting you won't expose you to unnecessary risk.
That's why Carta Law has embedded AI into its model as part of the legal service itself. It helps Carta Law's lawyers work faster, with full visibility into client context and historical data, all in a secure, controlled environment.
The result? Better outcomes, delivered faster, at a fixed price, with no compromise on privacy.
AI that works for lawyers
Carta Law has explored the reality behind legal AI:
1. The tools that promise too much without firm-specific context
2. The difficulty of building AI that actually reflects how lawyers work
3. The role of trust, privacy, and secure infrastructure
Lawyers don't want tools that make them work harder. They want problems solved. That's what AI should be doing—quietly and securely.
Carta Law is using AI not to replace lawyers, but to empower them.
DISCLOSURE: This communication is on behalf of eShares, Inc. dba Carta, Inc. ("Carta"). This communication is for informational purposes only, and contains general information only. Carta is not, by means of this communication, rendering accounting, business, financial, investment, legal, tax, or other professional advice or services. This publication is not a substitute for such professional advice or services nor should it be used as a basis for any decision or action that may affect your business or interests. Before making any decision or taking any action that may affect your business or interests, you should consult a qualified professional advisor. This communication is not intended as a recommendation, offer or solicitation for the purchase or sale of any security. Carta does not assume any liability for reliance on the information provided herein. ©2026 Carta. All rights reserved. Reproduction prohibited.
