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Startups & Venture·October 23, 2026·1 min read

VCs, Superhuman Mail founder share red flags about product market fit

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The bar for “PMF” is rising as distribution gets noisier—investors are looking for depth of use and retention, not just signups juiced by AI hype. Founders should instrument behavior and willingness to pay at a granular level before scaling GTM, or risk getting flagged as a feature, not a product.

Startups & Venture

Mave, which is developing an AI-driven tool to automate security investigations, raised a $28M Series A led by Red Dot, bringing its total funding to $34M

Security ops is moving from dashboards to AI-led investigation—$28M into Mave is more evidence that the battleground is who automates Tier-1/Tier-2 triage first. If you run a SOC, you should now be evaluating AI-first incident investigation tools on false positive reduction and mean time to resolution, not just alert coverage.