CyLon Ventures

CyLon Ventures is a London-based early-stage investor, accelerator, and incubator specializing in cybersecurity and resilience. It invests £15,000 for a 3% equity stake in startups, running a 13-week program. CyLon leverages its unique network and sector expertise to support portfolio companies in securing early customers, meeting investors, and building strategic relationships. With offices in London and Singapore, it focuses on the UK, US, and Israel, having been the first investor in notable companies like Immersive Labs and Tessian.

Grace Cassy

Co-Founder

Past deals in Spam Filtering

Tessian

Seed Round in 2016
Tessian Limited is a company that specializes in email security software designed to mitigate risks associated with human error and data loss. Founded in 2013 and headquartered in London, the company offers advanced solutions that leverage machine learning and artificial intelligence. Key products include CheckRecipient Guardian, which alerts users in real-time if emails are being sent to unintended recipients, and CheckRecipient RuleBuilder, which allows organizations to easily create and enforce email communication policies. The platform analyzes email networks to prevent sensitive information from being misdirected, thereby protecting clients in various sectors, including legal services, healthcare, investment banking, and technology. Tessian aims to enhance security while ensuring minimal disruption to employees' workflows, empowering them to work efficiently without compromising data integrity.
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