The guidance on this page is suitable for large businesses in the public, private and third sectors. Small businesses should use the resources on our small business web hub.
Brief guidance
A guide to information security
Guidance on information security, passwords, security outcomes, encryption and ransomware.
Detailed guidance
Encryption
Types of encryption, implementing encryption, information storage and information transfers.
Working from home
Bring your own device (BYOD), working from home securely, video conferencing and a security checklist.
Personal data breaches
What is a personal data breach, when you need to report to the ICO, when you need to inform individuals and how to risk assess.
Email and security
Is an email address personal information, whether you should use BCC, and what other security measures to take.
Resources
Information security self-assessment
Assess your compliance with data protection in information and cyber security, including policy and risk, mobile and home working, removable media, access controls and malware protection.