There's a dangerous myth in the digital market: that hackers only target big companies. In practice, it's exactly the opposite. Small and medium sites are the preferred targets because attackers know the odds of finding a hole are high — and the cost of exploiting it is low.
Automated attacks scan the entire internet looking for known vulnerabilities. Nobody is typing your site's address and trying to break in by hand. It's bots trying millions of addresses per hour, and your site is one of them.
The real cost of a data breach
When a site is compromised, the damage goes far beyond being offline for a few hours. The real cost includes:
- Fines for regulatory non-compliance — if user data was exposed, your company is legally liable.
- Reputation damage — customers whose data was leaked rarely come back.
- Recovery cost — auditing, server cleanup, re-indexing with Google.
- Irreversible data loss — backups that don't exist or are compromised too.
The most common (and most avoidable) vulnerabilities
1. Weak passwords and default credentials
Sounds too basic to be a serious problem in 2026. But it's still the most common entry point. Admin panels with "admin123", databases with no password at all — it all still exists.
2. SQL Injection
One of the oldest vulnerabilities on the web, still present on many sites. It happens when data sent by the user is inserted directly into database queries without validation.
3. Outdated dependencies
Every modern system uses third-party libraries. When a vulnerability is discovered, it gets published — and attackers start exploiting it immediately.
4. Exposed sensitive information
Publicly accessible config files, API keys in source code, exposed logs — details that seem minor but hand over a map of the system.
5. Missing or misconfigured HTTPS
Without HTTPS, any data transmitted can be intercepted. Passwords, card details, personal data — all traveling in plain text.
"A backup that's never been tested is just a hope. You need to know it works before you need it."
What to ask your developer
If you have or are about to hire someone to build your system, these questions reveal whether security is actually part of the process:
- How is user data stored? Are passwords encrypted?
- What's the process for updating dependencies?
- How does the backup system work? Is it tested?
- Is the production environment separate from development?
- Are there access logs and monitoring for suspicious activity?
Conclusion: security is a responsibility, not an option
With data protection regulations in force, handling user data carelessly isn't just a technical risk — it's a legal one. Data protection stopped being a best practice and became an obligation.
If you have doubts about how secure your current system really is, it's worth a review before someone else tells you where the problems are.