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▶ 41:38 · $ANTHROPIC · Anthropic cited as rare AI startup with real scale and customer usage
episode briefing
Kleiner Perkins

The AI Era of Cybercrime: How Malwarebytes Is Evolving Its Security Stack | Marcin Kleczynski

2026-02-23 · 4 company · 4 thematic
sentiment
3 bull0 bear1 neu
speakers
marcin kleczynski

Started Malwarebytes at age 14, grew it to ~800 people, 3M+ consumer subscribers, and a separate B2B brand (ThreatDown); took three rounds of all-secondary funding from VC, crossover, and private equity over 18 years.

quote
“I think Anthropic grew from I don't know like$1 to9 billion or something phenomenal I mean it really is I mean that's absurd and those are not necessarily the companies I worry about right they've got they've got good uh customer usage etc.”
—marcin kleczynski

episode shorts · 3

The 14-Year-Old Founder Story

Where Do Teams Do Their Best Work?

Different Customers Require Different Strategies

now playing · $ANTHROPIC
$MALWAREBYTESbullish· high· posmarcin kleczynski
Malwarebytes splits consumer and B2B, hits 3M subscribers and $200M ARR
Separating the consumer brand (Malwarebytes) from the new B2B brand (ThreatDown) with dedicated management unlocked growth; consumer side now has 3M+ paying subscribers, nearing $…
$VECTORbullish· mediummarcin kleczynski
Vector Capital's PE accountability helped execute complex business separation
Private equity partner Vector provided operational expertise in splitting financials, legal separation, and launching a new brand — areas where VCs typically don't help — and the…
$THREATDOWNbullish· medium· posmarcin kleczynski
ThreatDown launches as dedicated B2B brand with channel-focused GM
After splitting from Malwarebytes, ThreatDown hired a GM from B2B security channel sales who knows exactly how to execute the channel-first go-to-market motion that the combined c…
$ANTHROPICneutral· lowmarcin kleczynski
Anthropic cited as rare AI startup with real scale and customer usage
Host notes Anthropic grew from $1B to $9B ARR; founder agrees it's phenomenal but says the real concern is fringe AI cybersecurity startups raising hundreds of millions without pr…