Is vibe-coded software secure?
The short answer
Yes, it can be, if it is designed and managed correctly. Software built with AI coding tools can meet the same standard as a platform like Salesforce. The difference is that on a platform, the vendor handles much of the security for you. With custom software, someone on your side has to own it.
What a platform handled for you
A SaaS platform comes with security rules and infrastructure already in place. The vendor manages access controls, patches, backups, uptime, and monitoring, and there is a support team to call. When you build your own system, those responsibilities move to you. None of them are new. Professional software teams handle them every day.
What it takes
Design it securely
- Choose the right architecture and hosting. Run on established cloud platforms such as AWS, Azure, or Vercel, configured correctly. You do not manage physical servers, but you do manage how your system is set up on them.
- Handle secrets properly. Keys, passwords, and tokens are stored in a secrets manager, never in the code, and rotated on a schedule.
- Control access. Every user and integration gets only the access it needs. Authorization is checked on the server, not just hidden in the interface.
Build and release it safely
- Separate environments. Development and testing happen away from production.
- Code review. Changes are reviewed for security issues before they ship, by a person, assisted by automated scanning.
- Automated testing. Tests run on every change.
- Approval before production. Nothing reaches live users without a deliberate step.
- Easy rollback. Each deployment can be reversed to the previous version quickly.
Run it with discipline
- Backups with tested restores. A backup you have never restored is a hope, not a plan.
- Continuous monitoring. Alerts for errors, unusual activity, and attacks, with someone responsible for responding.
- Updates. Dependencies and platforms are patched as vulnerabilities are found.
- Incident response. A written plan for what happens when something goes wrong, and who does what.
- Access reviews. Regular checks that people who have left no longer have access.
Where AI-built systems go wrong
The risk is not that AI writes worse code than people. It is that a fast build skips the steps above. A system that works in a demo can still have secrets in the code, missing authorization checks, no backups, and no one watching it. The speed of AI coding makes it easy to get to "it works" without getting to "it is safe to run a business on."
Who should own it
You can build this capability in house with an experienced developer, a DevOps engineer, and a security professional, or someone who can cover all three. Or you can treat it like managed IT and hire a firm to run it.
Where Opero fits
Opero designs, builds, and operates custom systems. Operate covers monitoring and incident response, security and access management, tested backups, quarterly access reviews, and a written security report. See how the service works, or start with a free review. Related: can you vibe code your own CRM?
Common questions
Is AI-written code less secure than human-written code?
Not inherently. AI writes code based on the instructions and patterns it is given, and it can introduce the same mistakes a person can. The safeguards are the same: secure architecture, code review, automated testing, and monitoring.
Can a custom system meet the same security standards as Salesforce?
Yes. The practices platforms use, such as access control, encryption, backups, monitoring, and incident response, can all be applied to custom software running on cloud platforms like AWS, Azure, or Vercel.
Who is responsible for security in a custom system?
You are, or whoever you hire to run it. On a SaaS platform, the vendor handles much of this. With custom software, it has to be assigned to someone, in house or as a managed service.
Founder of Opero. Building software since 1998 and consulting since 2008, designing, building, and operating business systems.