The Security Mistakes That Cost SMEs the Most
Cybersecurity is one of those topics that SMEs know is important but rarely prioritize until something goes wrong. The reality of the threat landscape is this: small and medium enterprises are targeted more frequently than large enterprises, not less — because attackers know that SMEs are less likely to have robust defenses.
From our experience building and maintaining software for SME clients, we've identified a consistent set of security gaps that appear again and again. Fixing these is not glamorous work, but it's the highest-return security investment most SMEs can make.
The Top Five Gaps We See Repeatedly
- No MFA on admin accounts — single-factor authentication on the admin portal is the single most common vulnerability we see
- Unpatched dependencies — npm packages, PHP libraries, Python packages from two years ago with known CVEs
- Overly permissive database users — the application database user having DROP and CREATE TABLE privileges it will never need
- No rate limiting on authentication endpoints — login forms that allow unlimited attempts
- Backup that's never been tested — a backup that hasn't been restored is not a backup; it's a hope
None of these are exotic vulnerabilities requiring sophisticated attacks to exploit. They're the basics. And fixing them takes days, not months. The challenge is prioritizing security work against feature work in a resource-constrained environment — which is why we recommend building a security review into every major release cycle rather than treating it as a separate initiative.
Security is not a destination; it's a practice. The organizations that treat it as a continuous discipline rather than a one-time project are the ones that consistently come out ahead when incidents occur — and incidents, eventually, always occur.