How to Build a Basic Cybersecurity Checklist for a Small Tech Company
Most breaches exploit a short list of preventable gaps. A practical cybersecurity checklist for a small tech company — identity, devices, backups, access, patching, people and an incident plan — ordered by impact.
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Small tech companies are attractive targets precisely because they often skip the basics big firms take for granted. The good news: most breaches exploit a short list of preventable gaps, and a small team can close them without a security department or a big budget. Here's a practical cybersecurity checklist for a small tech company, ordered by impact.
1. Identity: lock the front door
Most attacks start with a stolen or weak credential. Fix identity first:
- Multi-factor authentication (MFA) on everything — email, cloud, code repositories, admin panels. Prefer an authenticator app or passkeys over SMS.
- A password manager for the whole team, enforcing unique strong passwords.
- Single sign-on (SSO) if you can, so access is centralized and revocable.
- Least privilege. People (and service accounts) get only the access they need.
2. Devices: secure the endpoints
- Disk encryption on every laptop and phone (built-in on modern OSes — turn it on).
- Automatic OS and app updates to close known holes.
- Endpoint protection (reputable anti-malware) on company machines.
- Screen lock + remote wipe capability for lost/stolen devices.
3. Backups: survive ransomware and mistakes
- Follow the 3-2-1 rule: at least three copies, on two types of media, with one off-site/offline.
- Test restores — an untested backup isn't a backup.
- Keep at least one immutable or offline copy so ransomware can't encrypt it too.
4. Access reviews and offboarding
- Review who has access to what quarterly; remove stale accounts.
- Offboard immediately — revoke a departing employee's access the same day, including third-party tools.
- Audit third-party and OAuth app access to your accounts.
5. Patching and your software supply chain
- Patch promptly — most exploited vulnerabilities are old and already fixed.
- Track your dependencies and update them; a vulnerable library is a common entry point.
- Limit and monitor secrets (API keys, tokens) — never in code repositories.
6. People: the biggest variable
- Phishing awareness training that assumes convincing fakes (AI-written, deepfaked), not clumsy ones.
- A simple rule for money/credential requests: verify out-of-band (call back on a known number).
- A clear, blame-free way for staff to report suspected incidents fast.
7. Have a basic incident plan
- Know who to call, how to isolate an affected system, and how to restore from backup.
- Keep an offline copy of the plan and key contacts.
- Even a one-page plan beats improvising during an actual incident.
Priority checklist
| Priority | Control |
|---|---|
| 1 | MFA + password manager everywhere |
| 2 | Device encryption + auto-updates |
| 3 | Tested 3-2-1 backups (one offline) |
| 4 | Least privilege + fast offboarding |
| 5 | Patch + manage dependencies/secrets |
| 6 | Phishing training + out-of-band verification |
| 7 | One-page incident plan |
Who it's for
- Founders and small teams without a dedicated security hire.
- Ops/IT generalists who own security by default.
- Any startup handling customer data that can't afford a breach.
Bottom line
You don't need an enterprise security program to be hard to hack — you need the basics done consistently. Lock down identity with MFA, encrypt and update devices, keep tested offline backups, enforce least privilege, patch dependencies, train people against convincing fakes, and have a one-page incident plan. That short list prevents the large majority of real-world breaches.
