Whisper

Private

AmsterdamCybersecurityhttps://www.whisper.security/

Last Round

Pre Seed

Jul 16, 2025

Total Funding Raised

$35.74M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Whisper is a cybersecurity company that provides a predictive threat intelligence platform using knowledge graph technology to monitor internet infrastructure.

Sector

Cybersecurity

Verticals

Threat Intelligence, Cloud Security, Network Security, Data Integration

Business Model

B2B

Customer Profile

Subscription SaaS, Usage-Based SaaS

AI Layer

Infrastructure

Keywords

threat intelligenceinfrastructure intelligencecyber threat huntingknowledge graphnetwork visibilityModel Context ProtocolMCPAI agent securitysecurity operations centerSOCAPI platformincident responsecybersecurity datathreat actor trackingsecurity automation

Historical Pricing

Historical view of private secondary pricing and transaction trends.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Whisper Comps

Public and private peers based on sector, stage, and business model.

Whisper comps — public and private peers by sector, stage, and business model
Company	Status	Est. Valuation	Rev Multiple
OpenAI	Private	$86.0B	~40x
Cohere	Private	$5.0B	--
Competitor 1	Public	$XX.XB	XXx
Competitor 2	Public	$XX.XB	XXx

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Whisper Funding Rounds

Historical fundraising activity

Data table
Round	Date	Amount Raised	Valuation	Investors	Sources
Pre Seed	Jul 16, 2025
Pre Seed	Jul 16, 2025
Series A	Apr 18, 2023

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Key People

Founding team and executive leadership

Kaveh Ranjbar

CTO Co-Founder

Founding Team

Soroush Rafiee Rad

CPO CIO Co-Founder

Founding Team

Roman Viliavin

Chief Operating Officer

Executive Team

Whisper Investors

Notable investors and investment history

Whisper investors
Investor	Rounds
Linse Capital	Series A
Connor Capital	Series A
BORN2GROW	Pre Seed
Capricorn Investment Group	Series A
Atlas SGR	Pre Seed
Kindred Ventures	Series A
Abstract Ventures	Series A

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Market signals

Structured signals derived from secondary market and firmographic data.

Jul 16, 2025
$1.86M round led by Atlas SGR

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Whisper Filings

SEC and related filings with document metadata.

Data table
Typed	Date	Amount Offered	Amount Sold	Filling	Pages	Download
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Whisper Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Whisper's valuation, stock price, and market status.

Firmographic Details

HeadquartersAmsterdam

Employee Range12

Year Founded2025

Last FundingJul 16, 2025

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