Aussie Founders Land $5.2 Billion Exit as Palo Alto Networks Snaps Up Chronosphere After Cloudflare Outage
Published: November 25, 2025 Australian entrepreneurs Martin Mao and Rob Skillington have clinched one of the biggest tech exits of the year, agreeing to sell their observability startup Chronosphere to US cybersecurity giant Palo Alto Networks in a deal worth about A$5.18 billion (US$3.35 billion). SmartCompany The blockbuster sale lands just days after a major Cloudflare outage on November 18 temporarily knocked out access to key internet services like ChatGPT, X, Spotify and Canva, highlighting exactly the kind of resilience and real‑time visibility that Chronosphere is built to deliver. Financial Times At the same time, Palo Alto Networks has reported