I Audited 50 SaaS Vendors' TLS Configurations — Here's What I Found

I spent the weekend scanning the TLS configurations of 50 popular B2B SaaS tools using CertRadar.net. My goal was simple: find out whether the vendors we trust with our data are actually practicing good TLS hygiene. The short answer? No disasters. The longer answer reveals some interesting gaps — particularly from vendors who should know better. Methodology I scanned the primary marketing domain for each vendor (e.g., okta.com, slack.com) using CertRadar’s SSL analyzer. I collected data on: ...

January 25, 2026 · 7 min · 1485 words · Ops_Mechanic