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Free interactive guide · Updated 2026

Cybersecurity for Small Businesses: protect your accounts, your network, and your business data

Basic cybersecurity isn't just technology. It's operational order, access control, and protection for your business's digital assets.

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13 Modules 52 Questions Local Progress PDF Printable

Context

Your business already lives in digital accounts. This course helps you get organized before something breaks.

It's designed so you can apply the basics on your own. If you'd rather have LUM360 help you organize your access, review your critical accounts, and build a more secure digital foundation for your business, we can guide you in a clear, practical way.

This material is educational and preventive. It is not a substitute for legal advice, a formal audit, a penetration test, or regulatory compliance consulting, and it does not guarantee absolute security.

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LUM360 · Cybersecurity Course for Small Businesses

Executive Summary and Basic Audit

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Content based on official documentation and public resources. Prices checked in June 2026 and subject to change without notice. USD-to-MXN conversions use an approximate working exchange rate of 1 USD = $17.40 MXN.

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Small Business Cybersecurity Glossary

Digital asset

An account, data, file, profile, domain, or system that has value to the business.

Administrator

A user with permission to change settings, add people, and control a platform.

Backup

A safety copy that lets you recover information if it's deleted, damaged, or encrypted by ransomware.

BEC

Business email compromise: fraud in which someone impersonates a boss, vendor, or accountant to ask for money or bank account changes.

Master password

The main password that unlocks a password manager. It should be long, unique, and never shared.

CRM

A system for managing customers, prospects, opportunities, and sales follow-up.

ERP

A system for internal operations: sales, inventory, purchasing, invoicing, finance, or warehouse.

Firmware

The built-in software of a router, camera, or other device. Updating it fixes bugs and improves security.

Data governance

Rules about what data the business holds, who uses it, how it's protected, and when it's deleted.

Social engineering

Manipulating people into revealing information, approving access, or making improper payments.

MFA/2FA

A second verification step in addition to your password: an authenticator app, security key, passkey, or code.

Phishing

A fake message that imitates a company or an authority to steal data, passwords, or money.

Ransomware

Malware that encrypts your files and demands payment to supposedly give them back.

Router

The device that manages your local network and distributes internet to the business's devices.

Modem

The device that connects your internet provider's service to your shop or office.

SSID

The visible name of a Wi-Fi network.

Smishing

Phishing by SMS or WhatsApp.

Vishing

Fraud by phone call.

WPA2/WPA3

Encryption standards that protect Wi-Fi networks. WPA3 is newer; WPA2 is still acceptable.

Guest network

A separate Wi-Fi network for customers or visitors, distinct from the business's internal network.

Principle of least privilege

Each person should have only the access they need to do their job.

Passkey

A modern sign-in method that uses your device and biometrics or a PIN instead of a traditional password.

Recovery codes

Backup codes for getting into an account if you lose your second factor.

Domain

The business's web address, such as example.com. It should be under the company's control.

Hosting

The service where your website, email, or applications live.

Google Business Profile

Your business listing on Google Search and Maps, with owners and managers.

Meta Business Suite

Meta's tool for managing Pages, Instagram, ads, people, and partners.

Password manager

An app that stores, generates, and shares passwords in encrypted form.