How can I protect my personal and business information from cyberattacks?

Start with the controls that block the most attacks

Cybersecurity works best as defence in depth — several overlapping controls so that if one fails, others still protect you. You do not need an enterprise budget to cover the fundamentals; you need to apply them consistently across every account, device, and system.

• Enable multi-factor authentication (MFA) on email, banking, admin accounts, and every business application that supports it. This single step blocks the vast majority of attacks that rely on stolen or guessed passwords.
• Use a password manager and unique, strong passwords for every account so one breach does not unlock the rest.
• Keep operating systems, browsers, and software up to date — enable automatic updates so known vulnerabilities are patched quickly.
• Back up important data following a 3-2-1 approach (three copies, two media, one off-site), and keep at least one backup offline or immutable so ransomware cannot encrypt it.
• Limit access using least privilege: people and apps should have only the access they need, and admin rights should be rare and monitored.
• Encrypt devices and sensitive data, both on disk and in transit.

Your people are the front line

The majority of incidents start with a person — a convincing phishing email, a reused password, or a misconfigured share. Regular, practical awareness training turns your team from the most common entry point into your strongest layer of defence.

Effective training is short, frequent, role-relevant, and reinforced with simulated phishing so staff learn to recognize and report suspicious messages without fear of blame.

Know what you are protecting

You cannot protect what you have not identified. Map the personal and sensitive information your business holds, where it lives, who can access it, and which third parties touch it. That inventory tells you where to focus controls and is the foundation of both privacy compliance and security.

A privacy impact assessment (PIA) and a security threat and risk assessment (TRA) make this concrete: they surface the real hotspots so you invest effort where the risk actually is, rather than over-engineering everywhere.

Plan for the incident before it happens

Assume something will eventually go wrong and decide in advance how you will respond. A written incident response plan — who does what, how you contain and investigate, and your legal notification obligations — turns a chaotic emergency into a managed process and limits the damage.

Test the plan with a tabletop exercise at least once a year so the first time you use it is not during a real breach.