Harmonic Security lets your teams adopt AI tools safely by protecting sensitive data in real time with minimal effort. It gives you full control and stops leaks so your teams can innovate confidently.
Harmonic empowers security teams to fully understand how their organization uses GenAI, while safeguarding sensitive data from leaking into GenAI or GenAI-enabled SaaS.
Our pre-trained small language models are specialized for detecting structured and unstructured sensitive data. Harmonic then interacts with the end-user at the point of data loss, helping to avoid sensitive data leaking while coaching end users toward the secure use of AI.
With Harmonic, you can:
Discover both GenAI and GenAI-enabled SaaS in use;
Pinpoint use of Shadow AI and unsanctioned apps;
Identify different GenAI app plans in use;
Detect high-risk apps training on your data;
Prevent intellectual property and sensitive data leaking into AI tools
Highlights
Prompt-Level Visibility - Harmonic gives you clear visibility into the data employees share with GenAI tools. This includes usage across free and personal accounts, as well as prompts submitted through embedded AI features in tools like Canva, Gamma, Google Translate, and Stack Exchange.
Real-Time Coaching at the Point of Risk - Instead of blocking GenAI tools, Harmonic intercepts prompts before sensitive data is exposed and guides users on what is risky and how to fix it. Custom small language models deliver decisions in under 200 milliseconds, and interventions can be customized with policies, role-based controls, and branded guidance to reduce friction and enable secure GenAI adoption.
Detect High-Risk AI Usage - Harmonic continuously monitors employee use of unsanctioned GenAI and GenAI-enabled tools. It identifies when these tools train on your data, operate in high-risk regions like China, or are receiving sensitive information from employees, giving security teams the context to act quickly.
Access real-time vendor security and compliance information through their Trust Center powered by Drata or Vanta. Review certifications and security standards before purchase.
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Pricing is based on the duration and terms of your contract with the vendor. This entitles you to a specified quantity of use for the contract duration. If you choose not to renew or replace your contract before it ends, access to these entitlements will expire.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
This listing uses one pricing dimension: an annual price charged per user. You commit for a year, and your cost scales with the number of users you cover. A 200-user minimum applies, so billing starts at that floor and grows as you add users. Your final rate depends on your specific requirements and eligibility, so you request a Private Offer for a custom quote rather than paying a fixed published rate. There are no separate tiers or add-on dimensions to combine here.
Top-of-mind questions for buyers
What counts as one user for the per-user annual billing?
A user is an employee whose AI activity the platform covers. You deploy a browser extension and desktop agents to each person's device. Each covered person counts as one user toward your license count. Billing starts at a 200-user minimum, so you pay for at least 200 covered employees.
What does the per-user fee cover across AI tools and surfaces?
Each user's fee covers monitoring and control of their AI activity across browsers, desktop apps, and autonomous agents. This includes tool discovery, sensitive data detection, inline coaching, and policy enforcement. Coverage spans over 1,000 web AI tools plus embedded AI features inside SaaS apps the person already uses.
How does my cost change if I add users during the year?
Cost scales with the number of users you cover, priced per user per year. Adding users raises your total. A 200-user minimum sets the floor. Your exact rate depends on your requirements and eligibility, so you request a Private Offer for a custom quote.
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Vendor refund policy
Either party may terminate this Agreement if the other materially breaches and the breach is incurable or remains uncured 30 days after written notice. After the Initial Term, either party may terminate with 30 days written notice. No refund applies unless termination is by Customer for cause.
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Software that puts you in full control of your data. Whether it is Risk Assessment, Data Security Posture Management, Privacy Compliance, Data Residency & Sovereignty, Infrastructure Optimization, Data Migration or Sustainable Data Lifecycle Management.
A reliable security platform that makes protecting sensitive data feel simple and efficient
What do you dislike about the product?
The platform is effective, but occasionally the alert volume can make it challenging to quickly prioritise the most important items
What problems is the product solving and how is that benefiting you?
Harmonic Security helps prevent data exposure, giving me confidence to work securely and efficiently
Hospitality
Coach, Don’t Block: Context-Aware GenAI Security That Keeps Workflows Moving
Reviewed on Feb 27, 2026
Review provided by G2
What do you like best about the product?
Harmonic Security stands out for its "coach, don't block" approach, which replaces rigid security hurdles with real-time user guidance to keep workflows moving safely.
Its context-aware detection is also a major win, as it accurately identifies sensitive data within GenAI tools without the constant false positives of traditional security systems.
What do you dislike about the product?
As a specialized solution, its reporting and dashboard customization can feel less mature than legacy platforms but it’s not a big deal.
What problems is the product solving and how is that benefiting you?
Harmonic Security effectively monitors "Shadow AI" usage, identifying and securing sensitive data within unapproved GenAI tools that traditional security layers often miss.
The primary benefit is frictionless innovation, as its real-time coaching allows for the safe adoption of new AI tools without the productivity-killing "block-by-default" approach of legacy DLP.
Biotechnology
Comprehensive Security in a Fast-Changing Space—Harmonic Keeps Improving
Reviewed on Feb 26, 2026
Review provided by G2
What do you like best about the product?
Comprehensive security in a new and highly dynamic area. Harmonic is constantly adding new features and very responsive to feedback. Implementation was fast and easy.
What do you dislike about the product?
Currently only protects browser activity. Would love desktop support in the future.
What problems is the product solving and how is that benefiting you?
Protecting our company data which includes patient PII and PHI while enabling our team to utilize tools that improve workflow and output.