Updated Apr 23, 2026
Score 42
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Sublime Security

Ranked #81 of 1,000+ cybersecurity companies
Profile
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Overview

Legal Name
Sublime Security, Inc.
Founded
2019
Crunchbase Rank
#1685

The adaptive, AI-powered email security platform that combines best-in-class effectiveness with visibility and control.

Sublime Security is an adaptive, AI-powered cloud email security platform that detects and prevents phishing and other email attacks, offering an open, transparent environment where teams can write custom detection and response rules, threat hunt, and integrate with SIEM/SOAR to reduce time spent on email incidents.

Industries
Network Management SoftwareComputer and Network SecurityCybersecuritySaaSArtificial Intelligence & Machine Learning
Type
Privately Held
Social Media
linkedintwitter

Company Size

Employees
 
297
Range201–500 employees
110K+

Headquarters

Washington, DC

Followers

 
11,547

Press Coverage

DateArticlePublisher
Dec 16, 2024citybiz+ Email Security Startup Sublime Closes $60M Series B Led by IVPcitybiz
Nov 3, 2025The Weekly Notable Startup Funding Report: 11/3/25alleywatch.com
Oct 31, 2025The Week’s 10 Biggest Funding Rounds: AI, Fintech And E-Commerce In The LeadCrunchbase News
Oct 30, 2025Sublime Security Named to Fortune Cyber 60 List of Fastest Growing StartupsMorningstar.com
Oct 29, 2025Sublime Security, which uses AI agents to protect against phishing and other email threats, raised a $150M Series C, bringing its total funding to $240M+ (Eduard Kovacs/SecurityWeek)Techmeme
Oct 28, 2025Sublime Security Lands $150M Series Cvcnewsdaily.com
Oct 28, 2025Sublime Security Raises $150M in Series C Funding as Industry-First AI Agents Accelerate GrowthPR Newswire
Oct 28, 2025Sublime Security Raises $150M in Series C Funding as Industry-First AI Agents Accelerate GrowthVenture Capital Firms
Oct 28, 2025Sublime Security Raises $150M in Series C Funding to Enhance AI CapabilitiesVenture Capital
Oct 28, 2025Sublime Security Raises $150M in Series C Funding as Industry-First AI Agents Accelerate GrowthVenture Capital Firms

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Categories

Artificial Intelligence (AI)Cyber SecurityNetwork SecurityPaaSSecurityCloud Security

Product

NameDescription
Sublime DefendAn AI-powered email security solution that detects and blocks a wide range of email attacks automatically.
Sublime TriageAn AI-driven tool that automates the investigation and remediation of user-reported suspicious emails.
Sublime HuntA retroactive threat hunting tool that searches for known and unknown email threats and enables post-delivery remediation.
Advanced Sublime ControlA customizable email security feature that enables users to create AI-powered detection rules and policies tailored to their environment.
Free Sublime AccountA no-cost toolset that automatically detects malicious email threats, allows searching and responding to suspicious messages, and monitors email security health.
Single Email AnalyzerA tool to immediately scan and analyze suspicious emails, providing actionable insights and previewing suspicious links to identify phishing attempts.