The Top Entrepreneurs In Money, Marketing, Business And Life

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 buildin