Small business · Cyber basics · Released October 2026

Still Trading on Monday by Kai London

Small businesses are attacked because they are easier targets, not because they are less valuable. This book focuses on the handful of affordable controls that stop most attacks, and the simple plan that helps you recover if something goes wrong.

What the book covers

Know what you have

Your data, devices, accounts and suppliers in one simple list.

The essential controls

Updates, backups, multi-factor authentication and secure configuration.

Email and fraud

Stopping phishing, invoice fraud and account takeover.

Staff habits

Short, practical guidance your team will follow.

Suppliers and cloud

Choosing and checking IT providers and online services.

When things go wrong

A one-page incident plan, insurance and who to call.

This book offers general guidance and is not legal advice.

Small businessCyber essentialsBackupsPhishing

Who it is for

Owners and managers of small businesses, sole traders, charities and the IT providers who support them.

About the author

Professor Kai London — CISSP, CISM.

An internationally recognised cybersecurity executive, board advisor and Founder & CEO of Quantum AI Systems Security LLC, writing at the convergence of AI, governance and operational resilience. Honorary Professor and Researcher at UCL.