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What Is Penetration Testing? A Plain-English Guide for Small Businesses (2026)

April 22, 2026

At Cyberstone, one of the most common questions we hear from small business owners is simple: “Do I really need a penetration test?” Penetration testing — also called pen testing or ethical hacking — is a controlled, authorized simulation of a real cyberattack, designed to find the vulnerabilities in your systems before a malicious hacker…