• News
    • Industry News
    • Company News
    • Funding Rounds
    • Partnerships
    • M&A
    • People News
  • Sector Updates
    • Blockchain & Cryptocurrencies
    • CyberTech
    • Data & Analytics
    • ESG FinTech
    • Funding Platforms
    • Infrastructure & Enterprise Software
    • InsurTech
    • Marketplace Lending
    • PayTech
    • PropTech
    • RegTech
    • WealthTech
  • Industry Research
    • Whitepaper: Addressing Advisor Movement in Wealth Management
  • Features
  • Events
    • AI FinTech Forum
    • AML & FinCrime Tech Forum
    • AML & FinCrime Tech Forum – USA
    • Data Management Tech Forum
    • ESG FinTech Summit
    • CX in Financial Services Forum
    • Global InsurTech Summit – Europe
    • Global InsurTech Summit – USA
    • Global RegTech Summit – Europe
    • Global RegTech Summit – APAC
    • Global RegTech Summit – USA
    • Global WealthTech Summit – Europe
    • Global WealthTech Summit – USA
  • FinTech Rankings
    • AIFinTech100
    • CyberTech100
    • ESGFinTech100
    • InsurTech100
    • RegTech100
    • WealthTech100
  • Market Maps
    • ESG FinTech
    • WealthTech
    • FinCrime Tech
  • Newsletters
  • Courses
    • Professional RegTech Certificate
  • Marketing
  • About Us
Search
  • LOG IN
Welcome! Log into your account
Forgot your password?
Recover your password
FinTech-Global FinTech-Global FinTech Global
  • News
    • Industry News
    • Company News
    • Funding Rounds
    • Partnerships
    • M&A
    • People News
  • Sector Updates
    • Blockchain & Cryptocurrencies
    • CyberTech
    • Data & Analytics
    • ESG FinTech
    • Funding Platforms
    • Infrastructure & Enterprise Software
    • InsurTech
    • Marketplace Lending
    • PayTech
    • PropTech
    • RegTech
    • WealthTech
  • Industry Research
    • Whitepaper: Addressing Advisor Movement in Wealth Management
  • Features
  • Events
    • AI FinTech Forum
    • AML & FinCrime Tech Forum
    • AML & FinCrime Tech Forum – USA
    • Data Management Tech Forum
    • ESG FinTech Summit
    • CX in Financial Services Forum
    • Global InsurTech Summit – Europe
    • Global InsurTech Summit – USA
    • Global RegTech Summit – Europe
    • Global RegTech Summit – APAC
    • Global RegTech Summit – USA
    • Global WealthTech Summit – Europe
    • Global WealthTech Summit – USA
  • FinTech Rankings
    • AIFinTech100
    • CyberTech100
    • ESGFinTech100
    • InsurTech100
    • RegTech100
    • WealthTech100
  • Market Maps
    • ESG FinTech
    • WealthTech
    • FinCrime Tech
  • Newsletters
  • Courses
    • Professional RegTech Certificate
  • Marketing
  • About Us
  • FinTech News
  • Funding Rounds
  • CyberTech
  • Security Technology

Email-focused CyberTech Sublime raises $9.8m

February 22, 2023
Email-focused CyberTech Sublime raises $9.8m

Sublime, which claims to be the first open email security platform that lets anyone write, run and share rules to detect and block email-originated threats, has raised $9.8m.

Alongside the investment round, Sublime has launched its services to the public, following a private beta test for over a year. Its technology is already used by dozens of organisations, including Fortune 500s, Global 2000s, and FTSE 250s, it said. The company boasts an organisation waitlist of 2,500.

The investment was led by Decibel, with commitments also coming from Slow Ventures.

Several cybersecurity professionals and founders also joined the round as angel backers. These include Cyber Defense Matrix creator Sounil Yu, Sourcefire founder Martin Roesch, former New York Stock Exchange CISO Jerry Perullo, Lookout founder Kevin Patrick Mahaffey and Pangea founder Oliver Friedrichs.

Sublime was created by former Department of Defense offensive security professional Joshua Kamdjou and former Optimizely and Alto growth head Ian Thiel.

Kamdjou started working with DoD in high school and over eight years he worked and led numerous offensive security efforts. Whilst also working as a red teamer in the private sector, Kamdjou found that phishing was always his easiest entry point.

Data from the FBI claims phishing emails are the most popular attack method for cybercrimes. Financial fallout from this attack type increased from $1.8bn in 2020 to $2.4bn in 2021.

Kamdjou set out to create a product that could stop someone like him and realised the key was empowering email security professionals to collaborate and have more control.  Through the community, users can share detections, receive new rules and updates, automatically and build their own rules to block threats.

Sublime claims to be the first open, free and self-hostable email security platform. With one line of code and a Docker instance, anyone can set up Sublime for free in their own environments and start running behavioural rules to block phishing attacks and other email-borne threats.

It also claims to be the first domain-specific language purpose-built for email. Its message query language works across Microsoft 365 and Google Workspace, allowing cross-platform collaboration using detection-as-code for detection engineering, threat hunting, and triage.

Sublime also claims to be the first community-powered email security platform and the first to integrate machine learning with customisable rules in email.

 Sublime founder and CEO Joshua Kamdjou said, “Security professionals are used to having control and being able to collaborate in every area of security BUT email: YARA for binaries, Sigma/EQL for logs, Snort/Suricata for networks, osquery/EDR for endpoint, Semgrep for static analysis.

“It’s time for that to change. We want to make it easy for anyone to secure their organisation from email-based threats, whether you’re a large enterprise, nonprofit, or small business. There are so many more bad actors than good guys trying to keep people safe. If we open it up and let everyone contribute we actually stand a fighting chance.”

In other CyberTech news, Karambit.AI, which helps companies secure their software supply chains, received a $75,000 grant from the Virginia Innovation Partnership Corporation.

Keep up with all the latest FinTech news here.

Copyright © 2023 FinTech Global

Enjoying the stories?

Subscribe to our daily FinTech newsletter and get the latest industry news & research

Investors

The following investor(s) were tagged in this article.

  • TAGS
  • CyberTech
  • email. email security
  • Sublime
Previous articleCar finance startup Carmoola nets over £100m in debt and equity
Next articleLiquidity Group joins unicorn club after $40m investment
jhaxell

RELATED ARTICLESMORE FROM AUTHOR

CyberTech

Balderton leads $30m round in AI agent security firm

Mokn
Company News

GV backs MokN’s $15m bid to flip the script on phishing

Mitek
Anti-Fraud

Mitek joins FICO Marketplace as fraud threats escalate

Tieto Banktech uses AI to fight financial crime
Banking Infrastructure

Tieto Banktech uses AI to fight financial crime

Ocean
Anti-Fraud

Ocean raises $28m to fight AI-driven email threats

Akamai
Company News

Akamai acquires LayerX to close enterprise AI gap

Latest Analysis

top US WealthTech deals Q1 2026
FinTech News

Jump secured one of the biggest US WealthTech deals as funding...

May 28, 2026
Indian WealthTech investments Q1 2026
FinTech News

Indian WealthTech funding surged by 84% YoY in Q1 amid renewed...

May 22, 2026
Singaporean FinTech funding Q1 2026
FinTech News

Singaporean FinTech funding spiked by 78% YoY in Q1 as investors...

May 18, 2026
US FinTech deal activity Q1 2026
FinTech News

California cements status as main US FinTech hub securing 29% of...

May 15, 2026
US wealthtech funding Q1 2026
FinTech News

US WealthTech investments surged by 95% YoY in Q1 driven by...

May 14, 2026

News Stories

Can financial conditions predict the next market turn?

Can financial conditions predict the next market turn?

May 29, 2026
Research published by LSEG Data & Analytics has cast fresh doubt on some of the most widely cited tools used to anticipate equity market...

Zeidler expands AI compliance tool to cover Japan

May 29, 2026
RegTech firm Zeidler Group has expanded the jurisdictional reach of its AI-powered Marketing Material Review Tool (MMR-Tool) to include Japan. The new Japan module introduces...
Aqua Global wins UBL UK core banking deal

Aqua Global wins UBL UK core banking deal

May 29, 2026
UBL UK, a UK-regulated bank, has selected Aquila, the financial messaging platform developed by Aqua Global, to support a broad digital transformation programme aimed...
ClearBank Europe launches Digital Asset Rails

ClearBank Europe launches Digital Asset Rails

May 29, 2026
ClearBank Europe has launched its Digital Asset Rails, a new capability enabling programmable liquidity for cross-border settlement with round-the-clock fiat payouts in euros via...
Dispatch launches advisor transitions software for wealth firms

Dispatch launches advisor transitions software for wealth firms

May 29, 2026
Dispatch, a data orchestration platform for wealth management firms, has unveiled Advisor Transitions, a new software solution aimed at streamlining the movement of advisors,...
  • Terms & Conditions
  • Privacy Policy
  • Contact Us
© FinTech Global © Copyright 2024. All rights reserved.

Technology partner
Advanced Vision IT

120,000+ FinTech leaders get exclusive industry stories delivered every week

MORE STORIES
Mastercard

Mastercard leads Europe’s first cyber defence test

October 16, 2025

Paddle raises $12.5m funding led by Notion

December 14, 2017