Helping companies to adopt Generative AI without risking the security and privacy of their data.
Location: United States, California, San Francisco
Employees: 11-50
Total raised: $17.5M
Founded date: 2023
Funding Rounds 1
| Date | Series | Amount | Investors |
| 04.10.2024 | Series A | $17.5M | - |
Mentions in press and media 18
| Date | Title | Description |
| 31.07.2025 | Report: 1 in 5 GenAI File Uploads Contain Sensitive Enterprise Info | Organisations are leaking data at a staggering rate according to new analysis from Harmonic Security conducted on a sample of 1 million prompts and 20,000 files submitted to 300 genAI tools and AI-enabled SaaS applications between April and... |
| 19.05.2025 | Analysis of AI tools: 84% breached, 51% facing credential theft | AI tools are becoming essential to modern work, but their fast, unmonitored adoption is creating a new kind of security risk. Recent surveys reveal a clear trend – employees are rapidly adopting consumer-facing AI tools without employer app... |
| 23.04.2025 | The Double-Edged Sword of AI: Navigating Security and Innovation | In the digital age, artificial intelligence (AI) is a double-edged sword. It promises innovation but threatens security. Recent reports reveal a troubling trend: employees are using personal accounts to access AI tools at work. This practic... |
| 23.04.2025 | The Hidden Dangers of Shadow AI in the Workplace | In the digital age, the workplace is a double-edged sword. On one side, innovation flourishes. On the other, security hangs by a thread. The rise of "shadow AI" is a stark reminder of this precarious balance. Employees are using p... |
| 21.04.2025 | ‘Shadow AI’ Use Is Threatening Enterprise Data Security | Employees are routinely using personal accounts to interact with AI tools at work, with sensitive content, including everything from legal documents to source code, being routed through accounts that sit outside corporate controls. That’s a... |
| 16.01.2025 | Study finds nearly one in 10 generative AI prompts in business disclose potentially sensitive data Your vote of support is important to us and it helps us keep the content FREE. One click below suppor... | A new study released today by data protection startup Harmonic Security Inc. has found that nearly one in 10 prompts used by business users when using artificial intelligence disclose potentially sensitive data. The finding came from a stud... |
| 04.10.2024 | Harmonic Security: $17.5 Million (Series A) Raised To Bring Zero-Touch Data Protection To Enterprises | Harmonic Security announced it has secured $17.5 million in Series A funding to bring its unique zero-touch data protection capabilities to enterprises. Since the company launched in October last year, the total funding has reached over $26... |
| 03.10.2024 | Harmonic Security: A New Era in Data Protection | In the digital age, data is the new gold. But with great value comes great risk. Companies are grappling with how to protect sensitive information while leveraging the power of artificial intelligence (AI). Enter Harmonic Security, a San Fr... |
| 02.10.2024 | Harmonic Security Raises $17.5 Million Series A to Accelerate Zero-Touch Data Protection to Market | Next47 leads new $17.5m Series A round with over $26m now secured since launch last October. SAN FRANCISCO & LONDON–(BUSINESS WIRE)–October 2, 2024– Harmonic Security today announces it has secured $17.5 Million in Series A funding to b... |
| 02.10.2024 | Harmonic Security Raises $17.5M in Series A Funding | Harmonic Security, a San Francisco, CA-based company providing tools to protect sensitive data, raised $17.5M in Series A funding. The round was led by Next47. It joined Ten Eleven Ventures which led the $7M seed round in October 2023. The ... |
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