Most small business security breaches are not the result of sophisticated attacks; they happen because of reused passwords, shared login credentials, and clicking on convincing-looking links. Basic security habits cost very little time and protect a great deal. Start by using a different password for every account that matters to your business: email, banking, supplier platforms, and any service that stores customer information. A password manager makes this practical — it stores all your passwords securely and fills them automatically, so you only need to remember one strong master password. Enable two-factor authentication on every account that offers it, particularly email and banking, because a stolen password alone is not enough to get in when a second verification step is required. Be cautious with links in emails that ask you to log in or confirm details; when in doubt, go directly to the platform by typing the address yourself rather than clicking through. Restrict account access to people who genuinely need it, and remove access promptly when someone leaves the business. Keep your devices updated, because security patches fix vulnerabilities that attackers actively exploit. These habits do not require technical knowledge, and each one reduces a real category of risk that affects small businesses regularly.