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July 30, 2025 61 mins

The Growth Vault is LIVE: https://growthinreverse.com/vault

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You don’t need to create for everyone. You need to create for the people who value you most — and they’ll carry your newsletter further than you think."  — Matt Johansen, Vulnu.com

We sat down with Matt Johansen, creator of the Vulnerable U newsletter (nearly 30,000 subscribers), to unpack how he’s grown a must-read in the cybersecurity space. Matt has successfully transitioned from working in the cybersecurity space to running a newsletter + content agency business. So we wanted to learn exactly how he's done it. 

Matt shares how he combines industry expertise with personal storytelling, why B2B creators can command a premium, and what’s working for him across newsletters, sponsorships, and short-form video. 


If you want to learn how to grow and monetize a niche newsletter, this one’s for you.


PS - Matt is not only a brilliant video & newsletter creator, he's also a member of the GIR Pro community 🔥


Take your newsletter to the next level with GIR Pro >>

KEY TAKEAWAYS

  • How Matt grew to over 30,000 subscribers in under 2 years
  • How he's crushing short-form video content for his newsletter
  • How he monetized through sponsorships and built an agency alongside the newsletter
  • The strategy behind his short-form and long-form video content
  • His approach to setting boundaries with sponsors while maintaining audience trust
  • How he leveraged industry presence & experience for early newsletter traction
  • Why and how he’s adding a paid newsletter subscription tier 
  • Tips for avoiding burnout as a solo creator juggling multiple content platforms
  • Why platform-specific editing matters for short-form video success

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Thanks to Tim Forkin for editing

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