Blog

Security writing for fast-moving teams.

Deep dives, how-tos and security perspectives from the people building Osto.

All Announcement Blog Case Studies Comparison Events Glossary Guides Startup Breaches

41.8% of Fintech Breaches Don’t Start With You. They Start With Your Vendors.

41.8% of fintech breaches don't start with you. They start with your vendors. How to manage third-party risk and vendor security in… 28 Apr 2026 6 min read

The $5.56 Million Number Every Fintech Founder Ignores Until It’s Too Late

The $5.56 million number every fintech founder ignores until it is too late. Average fintech breach cost, IBM 2025 data, and what… 28 Apr 2026 6 min read

The 60-Day Rule: Why Security Has to Come Before Your First Enterprise Sales Hire

The 60-day rule for B2B SaaS founders: security infrastructure must exist before the first enterprise sales hire. Why and what to build… 28 Apr 2026 5 min read

Paper Compliance vs Real Security: Why Your SOC 2 Badge Doesn’t Mean You’re Protected

Paper compliance vs real security. Why a SOC 2 badge does not mean you are protected, and how to build security infrastructure… 28 Apr 2026 6 min read

The Security Questionnaire that killed your enterprise deal

TL;DR The security questionnaire is the most common reason enterprise B2B SaaS deals stall in the final mile. Here is… 28 Apr 2026 5 min read