Sublime Security Raises $20M for AI Email Security

Sublime Security, an AI-powered email security platform, has secured $20 million in Series A funding led by Index Ventures, with participation from cybersecurity visionary Dmitri Alperovitch, to further enhance its cybersecurity solutions and combat threats like Business Email Compromise (BEC) and malware.

Sublime Security’s cutting-edge platform harnesses advanced artificial intelligence technology to detect and thwart many threats, including Business Email Compromise (BEC), malware, phishing attempts, and credential theft. By leveraging AI-driven algorithms, Sublime empowers security teams with comprehensive visibility and granular control over their cloud email environments.

“Email security has become a high priority for businesses as they face GenAI-powered attacks, and we believe that Sublime’s impressive technology, the founders’ backgrounds, and their unique go-to-market strategy put them in a strong position to tackle this problem,” said Jahanvi Sardana, Partner at Index Ventures.

Addressing Financial Impact

The recent FBI Internet Crime Report underscores the significant financial impact of cyber threats, particularly BEC, which accounted for over $2.9 billion in losses. Sublime’s proactive approach aims to mitigate these losses by providing robust email security solutions that are continuously updated to counter emerging threats.

“On the offense, Generative AI enables attackers to rapidly create diverse, sophisticated campaigns at scale, but on the defense, it’s a powerful tool for automated detection, triage, and explainability,” said Josh Kamdjou, Founder and CEO of Sublime Security.

“The Sublime Platform is a modern take on email security that delivers immediate out-of-the-box protection, with the added ability for teams to tailor email security controls to fit organizational needs and benefit from community-driven protections as the threat landscape evolves,” added Kamdjou.

Unlike conventional black-box solutions, Sublime Security offers transparency and customization options for security teams. Its open-source Core Detections on GitHub and Message Query Language (MQL) enable tailored detections, efficient incident response, and the ability to mitigate false positives effectively. This transparency and adaptability empower organizations to stay ahead of evolving threats.

Introducing the Attack Score Feature

Founded by cybersecurity expert Joshua Kamdjou, who brings a decade of experience from the Department of Defense and private sector, and growth strategist Ian Thiel, Sublime Security embodies a fusion of technical prowess and strategic vision. Its rapid adoption by leading companies such as Spotify, Brex, and Centrica underscores its effectiveness in addressing complex cybersecurity challenges.

In addition to the Series A funding, Sublime unveils its latest feature, Attack Score, leveraging transparent machine learning to prioritize email threats intelligently. This sophisticated feature enhances security analysts’ ability to swiftly identify and respond to critical security incidents based on contextual insights and observed attack indicators.

“Sublime is pioneering a bottoms-up, security practitioner-led approach that promotes community-driven collaboration, and given the massive market opportunity for email security, we are excited to see Sublime continue its hyper-growth trajectory,” said Jahanvi Sardana

With the infusion of $20 million in funding and innovative features like Attack Score, Sublime Security remains at the forefront of email security. As cyber threats evolve in sophistication, platforms like Sublime will help safeguard businesses against malicious attacks and ensure a resilient cybersecurity posture.

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