Bolster Raises $14 Million in Series B

by Kay Aloha Villamor in May 27th, 2024

Bolster, a Santa Clara, CA-based multi-channel phishing protection, has raised $14 million in Series B funding, bringing its total funding to over $40 million.  


The round was led by M12, Microsoft's venture fund, with participation from existing investors Thomvest Ventures, Crosslink Capital, Liberty Global Ventures, Cheyenne Ventures, Cervin Ventures, and Transform Capital.   

M12 is Microsoft's venture capital fund, which invests in early-stage technology companies disrupting the enterprise. Founded in 2016, the firm seeks to invest in companies operating in cloud infrastructure, AI, cybersecurity, developer tools, vertical SaaS, web3, and gaming. The firm uses its deep expertise and extensive platform to help early-stage companies in those key thesis areas accelerate growth and build strategic partnerships.  

Bolster Use of Funds  

The company will use the funding to accelerate go-to-market (GTM) and technology integrations for the generative AI platform that defends against phishing and impersonation.   

With the new funding, Bolster plans to invest in GTM initiatives that strategically prioritize executive monitoring, business email compromise (BEC) attack detection and takedown, and threat-hunting automation.  

About Bolster  

Bolster is an AI-driven cybersecurity company specializing in detecting and eradicating phishing and impersonation attacks across various digital channels. Founded in 2017, Bolster leverages artificial intelligence and machine learning to provide robust protection against sophisticated cyber threats. Bolster's mission is to make the internet a safer place by detecting, taking down, and monitoring phishing, fraud, and scam activity across the web, social media, app stores, and the dark web.  

Funding Details                    

Company: Bolster, Inc.  

Raised: $14.0M                      

Round: Series B  

Funding Month: May 2024   

Lead Investors: M12   

Additional Investors: Thomvest Ventures, Crosslink Capital, Liberty Global Ventures, Cheyenne Ventures, Cervin Ventures, Transform Capital  

Company Website:  

Software Category: Phishing Protection  


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