Hacked fridges: three IP addresses account for 45% of the Shodan results we checked
4,500 Danfoss interfaces on Shodan: how many fridges? We examined the count, then the names associated with controllers in our data.
FIELD NOTES
Follow the evidence.
Investigation methods, infrastructure research and engineering notes from the people building Profundis.
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Frigos piratés : trois adresses concentrent 45 % des résultats du relevé Shodan
4 500 interfaces Danfoss sur Shodan : combien de frigos ? On a examiné le décompte, puis les noms associés aux boîtiers dans nos données.
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Email and DNS provider market share in 2026
Mail and DNS providers of the top 1M domains, from the MX and NS records of 130,803 domains. Google Workspace 22.7%, Microsoft 365 18.0%, Cloudflare 34.6%.
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From one spam email to 208 domains and a French webmarketing company
I took one junk email from my quarantine folder, pivoted on its WHOIS registrant with Claude Fable 5 and the Profundis MCP, and ended up on the web server of a registered French webmarketing company.
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Visual Favicon Similarity Search for Reconnaissance
What if you could search for similar favicons, not just exact hash matches? Discover how we built a favicon similarity search that processes 50+ million images in seconds.
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How we automated our recon at scale
Because piping commands together is not the answer. Learn how we built an infrastructure that processes billions of public assets.