I matched MX records against a vendor rule dictionary for 2,584 SEC EDGAR-linked entities. The Microsoft 365 share was unsurprising. The gateway market is a duopoly: Proofpoint and Mimecast account for 91.4% of non-mailbox MX matches.
Nearly 24,000 ransomware leak-site claims tracked over five years show volume growing at 31% annually. Gartner puts security spending growth at 10%. The gap is widening.
13 Apr 2026 · 6 min read
Infrastructure Research Directory
Browse observed tech stacks, DNS posture, and open services for organisations. All data sourced from public authority records.
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