SaaS Interviews with CEOs, Startups, Founders
How do you rebuild a declining cybersecurity company into a $70M revenue platform with ~$25M EBITDA after buying it back for under $10M, while scaling primarily through acquisitions and debt instead of venture capital?
Gary Guseinov is the CEO of Realdefense, a consumer cybersecurity and privacy platform that generates roughly $70M in annual revenue with $20–25M in EBITDA. Gary originally founded the business in 2003 as Cyber Defender, grew it to $70M in revenue, took it public, then later bought the company back in 2017 when it had declined to about $7M ARR.
Today, Realdefense operates as a platform of security and privacy products that monetize partner user bases through software subscriptions, telemetry-driven product offers, and cross-sell expansion. The company has completed six acquisitions since the buyback and now scales growth through a capital-efficient M&A strategy instead of traditional venture capital.
What makes this business interesting is its unconventional growth model. Instead of building new SaaS products from scratch, Realdefense acquires small or declining companies, integrates them into a shared technology and billing stack, and compounds revenue by increasing LTV through cross-product distribution.
You'll learn:
Gary started his career in direct marketing before launching his first cybersecurity company in 2003 with roughly $50K–$75K of his own capital and an initial $250K raise. After raising significant venture capital and eventually going public, he saw the risks of dilution firsthand. When the business declined under new leadership, he bought it back in 2017 and rebuilt it with a very different capital strategy focused on debt, acquisitions, and ownership preservation.
If you're a SaaS founder thinking about capital efficiency, acquisition-driven growth, or alternative scaling strategies outside of venture capital, this episode is a masterclass in operator-led capital allocation.
Watch this episode on YouTube: https://youtu.be/ebkYMcJcpg0
Connect with Gary: https://www.realdefen.se/home/
Connect with Nathan: https://founderpath.com/