AI Privacy Blog

Insights on privacy, AI security, and protecting your data.

Sonomos Research

AI Meeting Notetakers: HIPAA, GDPR, and Privacy Compliance in 2026

Otter.ai litigation, Fireflies BIPA claims, Zoom BAA requirements, GDPR DPA gaps — AI notetakers create real compliance obligations that most organisations have not fully addressed. A practical guide to consent, HIPAA, GDPR, and the specific risks of AI transcription at scale.

HIPAA
GDPR
Privacy
+3
Sonomos Research

EU AI Act Compliance Checklist for Enterprise Deployers (2026)

Prohibited AI practices are enforceable now. GPAI obligations live August 2025. High-risk Annex III requirements hit in August 2026. A practical deployer-focused checklist covering every phase — including employment screening, credit tools, and GDPR overlap.

EU AI Act
AI Compliance
GDPR
+3
Sonomos Research

Is Grok GDPR Compliant? A 2026 Guide for European Teams

Grok and xAI carry the highest GDPR regulatory risk of any major AI tool in 2026 — with active investigations by the Irish DPC, France's CNIL, and the UK ICO over training-data practices, no enterprise DPA, and no EU data residency. Here is what European organisations need to know.

GDPR
Grok
xAI
+3
Sonomos Research

Is Perplexity AI GDPR Compliant? A 2026 Guide for European Teams

Perplexity AI does not offer an enterprise DPA, processes data on US-only infrastructure, and is not suitable for EU personal data in business contexts. Here is what the GDPR requires, where the specific gaps are, and how European teams can use Perplexity safely.

GDPR
Perplexity
Europe
+2
Sonomos Research

Is Gemini GDPR Compliant? A 2026 Guide for European Teams

Gemini is three different products with three different GDPR postures. Consumer Gemini has no DPA. Workspace Gemini is DPA-covered. Vertex AI Gemini provides the strongest posture. Here is the tier-by-tier analysis and the controls that hold up under supervisory-authority scrutiny.

GDPR
Gemini
Google
+3
Sonomos Research

Is Claude GDPR Compliant? A 2026 Guide for European Teams

Claude.ai consumer accounts have no DPA and are not suitable for EU personal data. Claude for Work and the API are DPA-eligible, but there is no EU data residency option. Here is the tier-by-tier GDPR analysis and the controls that hold up under supervisory-authority audit.

GDPR
Claude
Europe
+2
Sonomos Research

GDPR Data Subject Rights and AI: Access, Erasure, and Automated Decisions in 2026

GDPR data subject rights apply to AI interaction logs, AI-generated outputs, and training data — but AI makes erasure and access technically complex. Here is how Articles 15, 17, and 22 apply to ChatGPT, Claude, and other AI tools, and what practical responses look like for EU organizations.

GDPR
Data Subject Rights
Europe
+2
Sonomos Research

AI Tools for Legal Research in 2026: Harvey, Westlaw AI, Lexis+ AI, and Why Citation Hallucination Still Matters

Harvey, Westlaw AI, Lexis+ AI, and CoCounsel ground their answers in legal databases; ChatGPT does not. Here is the comparison across accuracy, confidentiality terms, and ethics obligations — and the workflow that prevents the hallucinated-citation sanctions that have already been imposed.

Legal
Legal Research
Harvey AI
+2
Sonomos Research

ChatGPT API vs Consumer Tiers: The Real Privacy Differences in 2026

ChatGPT Free, Plus, Team, Enterprise, and the API have materially different privacy terms — training use, data retention, DPA availability, and BAA eligibility all vary by tier. Here is the complete tier-by-tier breakdown and a compliance matrix showing which tier is required for which use case.

ChatGPT
OpenAI
API
+2
Sonomos Research

NIST AI RMF: How to Use the AI Risk Management Framework for Generative AI Governance in 2026

The NIST AI Risk Management Framework is becoming the de facto AI governance standard for US organizations. Here is how its four functions — Govern, Map, Measure, Manage — apply to using ChatGPT, Claude, and Gemini, and how to build a practical AI governance program around it.

NIST AI RMF
AI Governance
Risk Management
+2
Sonomos Research

ISO 27001 and AI Tools: Which Controls Apply and What Auditors Look For in 2026

ISO 27001:2022's supplier management, cloud services, data masking, and DLP controls all apply to AI tools used in certified organizations. Here is which Annex A controls are implicated, what auditors ask about AI in 2026, and how to build the ISMS addendum without rewriting existing documentation.

ISO 27001
Information Security
AI Governance
+2
Sonomos Research

HIPAA-Compliant AI: A Complete Checklist for Healthcare Organizations in 2026

A Business Associate Agreement is necessary but not sufficient for HIPAA-compliant AI. Here is the full administrative, physical, and technical safeguard checklist for healthcare organizations deploying AI tools in 2026 — with specific implementation notes for clinical and operational workflows.

HIPAA
Healthcare
AI Compliance
+2
Sonomos Research

AI and the Work Product Doctrine: Privilege Risks When Lawyers Use ChatGPT and Claude

Pasting case strategy, client communications, or deposition summaries into a consumer AI tool risks waiving attorney-client privilege and work product protection. Here is what the doctrine protects, which AI tool configurations preserve it, and what state bar opinions say lawyers must do.

Legal
Work Product Doctrine
Privilege
+2
Sonomos Research

Is Windsurf AI Safe for Sensitive Code? A 2026 Security Guide

Windsurf transmits code context to Codeium's servers, and consumer tiers permit model training on your code. Here is what Windsurf actually sends, how Teams and Enterprise tiers change the data posture, and how it compares to Cursor and GitHub Copilot for regulated-industry engineering teams.

Windsurf
AI Coding
Engineering
+2
Sonomos Research

US State AI Privacy Laws in 2026: The Landscape for AI Users

Twenty-plus states have comprehensive privacy laws with AI implications, Colorado has the first dedicated high-risk AI statute, and Illinois BIPA has generated hundreds of millions in settlements. Here is the practical compliance map for organizations using AI tools with US consumer and employee data.

US Privacy Law
CCPA
State Law
+2
Sonomos Research

Is Microsoft Copilot GDPR Compliant? A 2026 Guide for European Teams

Microsoft 365 Copilot on commercial plans with EU data residency can be used in a GDPR-compliant posture. Consumer Copilot cannot. Here is what the GDPR requires, how each Copilot tier measures up, and the configuration steps that matter for European organizations.

GDPR
Microsoft Copilot
Europe
+2
Sonomos Research

AI Acceptable Use Policy: A 2026 Template for Organizations

A complete guide to writing an AI acceptable use policy — the seven sections every AUP needs, annotated model language for each, common mistakes that leave gaps, and how to communicate it to employees so it actually changes behavior.

AI Governance
Policy
Compliance
+2
Sonomos Research

SOC 2 and AI: What Auditors Look For When Your Team Uses ChatGPT and Claude

SOC 2 auditors are increasingly asking about AI tool usage — specifically whether confidential data reaches unapproved tools and whether vendor risks are managed. Here is which Trust Service Criteria apply, what evidence auditors want, and the controls that satisfy SOC 2 without blocking AI adoption.

SOC 2
Compliance
AI Governance
+2
Sonomos Research

PCI DSS and AI: Can You Use ChatGPT With Cardholder Data? (2026 Guide)

Pasting a card number or transaction record into ChatGPT almost certainly violates PCI DSS. Here is which v4.0 requirements apply to AI tools, how to determine CDE scope for AI, and the workflow controls that let payments teams use generative AI without expanding scope.

PCI DSS
Payments
Financial Services
+2
Sonomos Research

Is Cursor AI Safe for Sensitive Code? A 2026 Security Guide

Cursor transmits code context to third-party AI providers, and codebase indexing uploads your entire repository. Here is what Cursor actually sends, the settings that reduce exposure, and how it compares to GitHub Copilot for regulated-industry engineering teams.

Cursor
AI Coding
Engineering
+2
Sonomos Research

Is Perplexity AI HIPAA Compliant? A 2026 Guide for Healthcare Teams

Perplexity AI does not offer a HIPAA BAA on any tier as of 2026. Here is what that means for clinical staff who use it for research, how Perplexity compares to ChatGPT and Claude, and the safe-use workflow that keeps PHI off a non-covered tool.

HIPAA
Perplexity
Healthcare
+2
Sonomos Research

Is GitHub Copilot HIPAA Compliant? A 2026 Guide for Healthcare Developers

GitHub Copilot is not HIPAA compliant by default on any tier. Here is what HIPAA actually requires of an AI coding assistant, which GitHub products are closest to BAA-eligible, and how healthcare engineering teams can use AI assistance without putting PHI into a non-covered model.

HIPAA
GitHub Copilot
Healthcare
+2
Sonomos Research

AI in Insurance 2026: NAIC Model Bulletin, Colorado Reg 10-1-1, and ChatGPT for Underwriting

How insurers can use ChatGPT, Claude, and Gemini in underwriting, claims, and customer service without tripping the NAIC Model Bulletin, Colorado Reg 10-1-1, NY DFS Circular Letter 7, HIPAA, GLBA, or the EU AI Act's high-risk classification — including the controls that hold up under examination.

Insurance
NAIC
AI Compliance
+2
Sonomos Research

FERPA and AI: Can Schools and EdTech Use ChatGPT With Student Data? (2026 Guide)

FERPA-protected education records cannot be sent to ChatGPT, Claude, or Gemini without consent or a properly documented school-official designation. Here is what the regulation requires of an AI tool, how COPPA and state student-privacy laws stack on top, and the workflow patterns that hold up under audit.

FERPA
Education
Schools
+2
Sonomos Research

Is ChatGPT GDPR Compliant? A 2026 Guide for European Teams

ChatGPT is not GDPR compliant by default. Here is what the GDPR actually requires of an AI tool, which OpenAI products are DPA-eligible, what the Italian Garante decision held, and the controls that hold up under supervisory-authority audit in 2026.

GDPR
ChatGPT
Europe
+2
Sonomos Research

Personal AI Privacy: A 2026 Guide for Individuals Using ChatGPT, Claude, and Gemini

Practical, non-corporate steps anyone can take to keep their personal data private when using ChatGPT, Claude, and Gemini in 2026 — settings, habits, and a local-first technical layer for the prompts your habit will miss.

Individuals
Personal Privacy
ChatGPT
+2
Sonomos Research

PHI vs PII vs Personal Data: A Plain-English Compliance Glossary for 2026

PII, PHI, and Personal Data overlap but are not interchangeable. Here is what each term means, where it comes from, how they differ, and which one applies when you are using ChatGPT, Claude, or Gemini in 2026.

PII
PHI
GDPR
+2
Sonomos Research

Free vs. Paid ChatGPT: What Actually Changes for Your Privacy in 2026

Upgrading from Free to Plus does almost nothing for privacy. Upgrading to Pro flips the training default. The real inflection is Enterprise / API + ZDR + BAA. A 2026 tier-by-tier breakdown of training, retention, contracts, and admin visibility.

ChatGPT
OpenAI
Privacy
+2
Sonomos Research

AI in Hiring 2026: EEOC, NYC LL144, the EU AI Act, and the Controls That Hold Up

How employers can use ChatGPT, Claude, and dedicated hiring AI tools without tripping the EEOC, NYC Local Law 144, the EU AI Act's Annex III high-risk classification, or the wave of state automated-decisionmaking laws.

HR
Hiring
EEOC
+2
Sonomos Research

ChatGPT vs. Claude for Confidential Work: Which Is More Private in 2026?

Claude has friendlier privacy defaults; ChatGPT has deeper enterprise tooling. A four-axis comparison covering training, retention, BAAs/DPAs, and workflow surfaces — and the layer that makes the question less load-bearing.

ChatGPT
Claude
AI Privacy
+2
Sonomos Research

The Best AI Privacy Tools for ChatGPT, Claude, and Gemini (2026)

There is no single best AI privacy tool — there are five categories that solve different problems. A 2026 buyer's guide to local-first browser extensions, prompt-redaction APIs, AI-aware DLP and CASB, privacy vaults, and provider enterprise tiers.

AI Privacy
Buyer's Guide
DLP
+3
Sonomos Research

GDPR and AI: A 2026 Compliance Guide for European Teams Using ChatGPT, Claude, and Gemini

What the GDPR and the EU AI Act actually require of European teams using generative AI in 2026 — lawful basis, DPAs, international transfers, DPIAs, Article 32 controls, and how local-first redaction reduces the entire downstream burden.

GDPR
EU AI Act
Europe
+2
Sonomos Research

Does ChatGPT Save Your Prompts? What OpenAI Actually Retains in 2026

ChatGPT saves your prompts — but the answer to which prompts, for how long, and for what purpose depends on your plan and your settings. Here is the exact retention picture for Free, Plus, Pro, Team, Enterprise, API, and Temporary Chat in 2026.

ChatGPT
OpenAI
Privacy
+2
Sonomos Research

Source Code in AI Coding Assistants: Keeping Secrets Out of Copilot, ChatGPT, and Claude

How engineering teams can use GitHub Copilot, ChatGPT, Claude, Cursor, and Windsurf without leaking source code, embedded secrets, or pre-disclosure vulnerabilities — with a workflow that does not slow developers down.

Engineering
Source Code
GitHub Copilot
+2
Sonomos Research

Can My Employer See My ChatGPT Prompts? A 2026 Guide

Whether your employer can see your ChatGPT, Claude, Gemini, or Copilot prompts depends on the account, the device, and the network. Here is exactly what is visible in each combination — and what is not.

Privacy
ChatGPT
Workplace Monitoring
+2
Sonomos Research

Financial Services + AI: GLBA, FFIEC, and Securities Compliance for ChatGPT and Claude in 2026

How banks, broker-dealers, and RIAs can use ChatGPT, Claude, and Gemini without tripping GLBA, FFIEC, FINRA, or SEC requirements — including the controls that hold up under examination in 2026.

Financial Services
GLBA
FFIEC
+2
Sonomos Research

Is Microsoft Copilot HIPAA Compliant? M365, GCC, and the Real Answer for 2026

Microsoft 365 Copilot can be used for PHI under the Microsoft HIPAA BAA — but Commercial Data Protection alone is not enough, the free Copilot is off-limits, and oversharing is the silent failure mode. A 2026 guide for healthcare IT and compliance teams.

HIPAA
Healthcare
Microsoft Copilot
+3
Sonomos Research

Is Gemini HIPAA Compliant? Workspace, Vertex AI, and the BAA in 2026

Gemini is not HIPAA compliant by default. Here is what the law actually requires, which Google products are BAA-eligible (Workspace Gemini, Vertex AI), how the consumer Gemini app differs, and how to keep PHI from leaking even when staff use personal accounts.

HIPAA
Healthcare
Gemini
+3
Sonomos Research

Prompt Injection Explained: How Attackers Use AI Models to Steal Your Data

A plain-English guide to direct and indirect prompt injection — how the attacks work, the patterns showing up in production AI systems, and the defenses that actually reduce risk in 2026.

AI Security
Prompt Injection
LLM Security
+2
Sonomos Research

Is Claude HIPAA Compliant? A 2026 Guide for Healthcare Providers

Claude is not HIPAA compliant by default. Here is what the law actually requires of an AI tool, which Anthropic products are BAA-eligible (Claude for Work, the API, Bedrock, Vertex AI), and how to keep PHI from leaking even when staff use personal accounts.

HIPAA
Healthcare
Claude
+3
Sonomos Research

Can Lawyers Use ChatGPT? Confidentiality, Privilege, and AI in 2026

How attorneys can use ChatGPT, Claude, and Gemini without breaching the duty of confidentiality, waiving privilege, or violating the technological-competence rule — with a workflow that holds up under bar scrutiny.

Legal
Confidentiality
ABA
+2
Sonomos Research

Is ChatGPT HIPAA Compliant? A 2026 Guide for Clinicians and Health Tech Teams

ChatGPT is not HIPAA compliant by default. Here is what the law actually requires of an AI tool, which OpenAI products are BAA-eligible, and how to keep PHI from leaking even when staff use unsanctioned accounts.

HIPAA
Healthcare
ChatGPT
+2
Sonomos Research

What Is PII Redaction? A Plain-English Guide for AI Users

PII redaction means automatically removing personally identifiable information from text before it is sent to an AI. Here is how the techniques work, why local-first matters, and how to choose a tool.

PII
Redaction
AI Privacy
+2
Sonomos Research

AI Data Leakage: 7 Ways Sensitive Information Escapes to LLMs (and How to Stop It)

From copy-paste accidents to prompt injection, here are the most common ways personal and corporate data leaks into ChatGPT, Claude, and Gemini — and the defenses that actually work in 2026.

AI Security
Data Leakage
LLM Security
+2
Sonomos Research

How to Protect Sensitive Data When Using ChatGPT, Claude, and Gemini (2026 Guide)

A practical, step-by-step guide for keeping personal and confidential data out of ChatGPT, Claude, Gemini, and other LLMs — without giving up the productivity benefits of AI.

AI Privacy
ChatGPT
Claude
+2
Team Sonomos

Data Loss Prevention and Cyber Insurance: Why DLP is Your Best Leverage for Better Coverage in 2026

Cyber insurers have moved from checklists to technical audits. DLP isn't the gatekeeper — but it's the differentiator that lowers premiums, strengthens claims, and shrinks your attack surface.

data loss prevention
dlp
cyber insurance
+8
Team Sonomos

Local-First AI: Why On-Device Processing is the Future of Data Privacy

Cloud AI sends your data to someone else's computer. Local-first AI doesn't. Here's why that matters.

local ai
on-device processing
data privacy
+4
Team Sonomos

How Financial Advisors Can Use AI Without Violating Client Confidentiality

AI can transform your advisory practice — if you don't accidentally violate SEC regulations doing it.

financial advisors
ai compliance
sec regulations
+5
Team Sonomos

Shadow AI is Leaking Your Company's Data — Here's How to Stop It Without Banning AI

77% of employees paste corporate data into ChatGPT. Banning AI doesn't work. Here's how to prevent shadow AI data leaks while keeping your team productive.

shadow ai
data leakage
chatgpt security
+7
Team Sonomos

What is Sensitive Data Detection and Why Does It Matter?

You can't protect data you can't find. Sensitive data detection is the first line of defense.

sensitive data detection
pii
data classification
+4
Team Sonomos

Can Your Employees Accidentally Leak PII to ChatGPT? Yes — and Here's What It's Costing You

Shadow AI was a factor in 20% of all data breaches in 2025, adding $670,000 to average costs. Your employees aren't trying to leak data. They're trying to be productive. The result is the same.

shadow ai
chatgpt data leak
pii exposure
+7
Team Sonomos

What Is PII? A Practical Guide to Personally Identifiable Information in 2026

PII is the most targeted data type in every breach. Here's what qualifies, what the real risks look like in 2026, and how to stop exposing it.

pii
personally identifiable information
data privacy
+7
Team Sonomos

Why Law Firms Were the #1 Target for Cyberattacks in 2025

Law firms face $5.08M average breach costs and record ransomware attacks. Here's why — and what you can do about it.

cybersecurity
law firms
data breach
+4
Team Sonomos

The Privacy-First Tech Stack: Tools Every Regulated Business Needs in 2026

Compliance isn't one tool — it's an architecture. Here's how to build a privacy-first stack that actually works.

privacy tech stack
regulated industries
compliance tools
+8
Team Sonomos

CCPA and GDPR in 2026: What Small Businesses Actually Need to Know

20 US states now enforce data privacy laws. Here's what you need to do — without the legal jargon.

ccpa
gdpr
data privacy compliance
+7
Team Sonomos

The Hidden Cost of Shadow AI in Professional Services

67% of AI usage happens on personal accounts. Your security team can't see any of it.

shadow ai
enterprise security
professional services
+4
Team Sonomos

Data Masking Explained: How Professionals Protect Information Before It Leaves the Building

Data masking replaces sensitive values with safe placeholders — so you can share, analyze, and use AI without the risk.

data masking
data obfuscation
pii protection
+4
Team Sonomos

8 Ways Your PII Gets Leaked (And How to Stop Each One)

Your PII is leaking through channels you've never considered—from hidden form fields to malicious extensions. Here are 8 vectors and how to stop each one.

pii
data leakage
privacy
+2

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