Small business cybersecurity basics start with knowing what you must protect: critical data, systems, and processes, and assessing threats, vulnerabilities, and acceptable risk. Strengthen identity controls with strong passwords or passkeys, multi-factor authentication, least privilege, and secure remote access. Protect devices, networks, and data through patching, endpoint security, hardened Wi‑Fi, firewalls, backups, and encryption, supported by policies, training, and an incident response plan.
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