IT Security Policies and Procedures

Written by Joanne Hughes, Policy & Compliance Specialist at Policy Pros

Last reviewed: March 2026

IT Security Policy Writing Services

With strong experience in developing information security frameworks, we create tailored IT security policies that reflect the specific needs and risks of your organisation. Clear, well-structured documentation is essential for managing data security, meeting compliance obligations, and building a culture of cyber awareness across your workforce.

Whether your business requires a comprehensive set of IT security policies or targeted improvements to existing procedures, our experienced team can assist. We will carefully review your current documentation against recognised standards, conducting a thorough gap analysis to identify areas for improvement and compliance risks. We also offer dedicated IT compliance policies for organisations with specific regulatory obligations.

Where necessary, we update or create policies to ensure your organisation is always equipped with documentation that reflects the latest industry best practices and is fully aligned to ISO 27001 and related frameworks.

• Please visit this page for more information on the Cyber Assessment Framework (CAF) Policies and Procedures.
• For more information on IASME Cyber Essentials, please visit this page.

“What an absolutely amazing company. Friendly, helpful, and rapid response to my business needs.” Gary B

What an IT Security Policy Suite Must Cover for UK Businesses

An IT security policy suite is the collection of documented policies and procedures that govern how an organisation protects its information assets, systems, and data. For UK businesses, the scope of this documentation is shaped by a combination of legislation, regulatory frameworks, and industry standards.

The UK General Data Protection Regulation (UK GDPR), specifically Article 32, requires organisations to implement appropriate technical and organisational measures to ensure a level of security appropriate to the risk. Documented IT security policies are a core component of demonstrating compliance with this requirement to the Information Commissioner's Office (ICO). Failure to have adequate policies in place can result in enforcement action, including fines of up to 17.5 million pounds or 4 per cent of annual worldwide turnover.

The Network and Information Systems Regulations 2018 (NIS Regulations) apply to operators of essential services (such as energy, transport, health, water, and digital infrastructure) and relevant digital service providers. The NIS Regulations require these organisations to take appropriate and proportionate security measures, which must be supported by documented policies and procedures.

The Computer Misuse Act 1990 creates criminal offences for unauthorised access to computer material, unauthorised access with intent to commit further offences, and unauthorised acts with intent to impair the operation of a computer. While this Act does not require specific policies, having documented acceptable use and access control policies helps organisations demonstrate that they have taken reasonable steps to prevent misuse and supports any prosecution or disciplinary action that may be required.

Mandatory vs Recommended IT Policies by Business Type

The IT security policies your organisation needs depend on your size, sector, and regulatory obligations. Here is a practical guide:

All UK businesses processing personal data:

• Information Security Policy (overarching framework document)
• Data Protection and GDPR Policy
• Acceptable Use Policy
• Password Management Policy
• Data Breach Response Policy and Procedure
• Data Retention and Disposal Policy

Businesses with remote or hybrid workers:

• Remote Access Policy
• BYOD (Bring Your Own Device) Policy
• Remote Working and Homeworking Policy
• VPN and Secure Connection Policy

Businesses pursuing Cyber Essentials or ISO 27001:

• Access Control Policy
• Patch Management Policy
• Malware Protection Policy
• Firewall and Network Security Policy
• Secure Configuration Policy
• Information Classification Policy
• Data Storage Policy
• Cryptographic Controls Policy
• Third-Party and Supplier Management Policy
• Incident Reporting and Escalation Policy
• Business Continuity and Disaster Recovery Policy

Operators of essential services (NIS Regulations):

• All of the above, plus sector-specific policies required by the relevant competent authority (e.g. Ofgem, Ofcom, NHS England)

Cyber Essentials Requirements and How IT Policies Support Them

Cyber Essentials is a UK Government-backed certification scheme managed by the National Cyber Security Centre (NCSC). It is designed to help organisations protect themselves against the most common cyber attacks by implementing five key technical controls: firewalls and internet gateways, secure configuration, user access control, malware protection, and patch management.

According to the NCSC, Cyber Essentials certification reduces the risk of common cyber attacks by up to 98.5 per cent. Our Cyber Essentials policies help organisations meet these requirements. It is mandatory for organisations bidding on certain UK Government contracts that involve the handling of sensitive or personal information, and it is increasingly expected by private sector clients as a condition of supply chain participation.

While Cyber Essentials is primarily a technical certification, the assessment process requires organisations to demonstrate that they have appropriate controls in place — and documented IT security policies are the evidence base for this. Specifically:

• Firewalls: Your firewall and network security policy should document how boundary devices are configured, how rules are reviewed, and who is responsible for firewall management.
• Secure configuration: Your secure configuration policy should describe how devices and software are configured securely before deployment, how default passwords are changed, and how unnecessary services are disabled.
• User access control: Your access control policy should document how user accounts are created, managed, and removed, including the principle of least privilege, administrator account controls, and multi-factor authentication requirements.
• Malware protection: Your malware protection policy should describe the anti-malware software deployed, how it is updated, and how scanning is configured and monitored.
• Patch management: Your patch management policy should document how software updates and security patches are identified, tested, and applied within defined timeframes (typically 14 days for critical or high-risk vulnerabilities).

Specific IT Security Policies Explained

The following are among the most important individual policies within an IT security suite:

Acceptable Use Policy: Defines the permitted and prohibited uses of the organisation's IT systems, networks, email, internet, and devices. It sets expectations for employee behaviour, establishes consequences for misuse, and supports disciplinary action where the policy is breached.

Remote Access Policy: Governs how employees, contractors, and third parties access the organisation's systems and data from outside the corporate network. Covers VPN requirements, device security, authentication standards, and data handling when working remotely.

Password Management Policy: Sets standards for password creation, complexity, rotation, and storage. Increasingly, this policy also covers multi-factor authentication (MFA) requirements and the use of password managers.

Data Classification Policy: Defines how the organisation categorises its information assets (e.g. public, internal, confidential, restricted) and the handling, storage, transmission, and disposal requirements for each classification level.

Incident Response Policy: Sets out the procedures for detecting, reporting, investigating, and responding to information security incidents, including data breaches. Must align with the UK GDPR requirement to notify the ICO of qualifying personal data breaches within 72 hours.

BYOD Policy: Governs the use of personal devices (smartphones, tablets, laptops) for work purposes. Covers security requirements, mobile device management (MDM), data separation, and the organisation's rights to access or wipe corporate data from personal devices.

Patch Management Policy: Documents the process for identifying, testing, and deploying software updates and security patches. Critical for Cyber Essentials compliance and for reducing the organisation's vulnerability to known exploits.

How IT Policies Link to UK GDPR

Article 32 of the UK GDPR requires organisations to implement appropriate technical and organisational measures to ensure a level of security appropriate to the risk. IT security policies are the primary organisational measure for demonstrating compliance. Specifically:

• Your information security policy provides the overarching framework for data protection controls
• Your access control policy demonstrates how access to personal data is restricted to authorised personnel
• Your encryption and cryptographic controls policy supports the Article 32 requirement for pseudonymisation and encryption of personal data
• Your data breach response policy demonstrates your ability to report breaches to the ICO within 72 hours as required by Article 33
• Your data retention and disposal policy supports compliance with the data minimisation principle (Article 5(1)(c)) and storage limitation principle (Article 5(1)(e))

Without documented IT security policies, organisations cannot demonstrate compliance with Article 32 and the broader accountability principle (Article 5(2)) of the UK GDPR. The ICO has made clear that adequate documentation is a baseline expectation for all data controllers and processors.

SME-Specific Guidance

Small and medium-sized enterprises (SMEs) often assume that comprehensive IT security policies are only necessary for large organisations. This is incorrect. SMEs are disproportionately targeted by cyber criminals because they are perceived as having weaker defences, and the consequences of a data breach or cyber attack can be devastating for a smaller business.

The NCSC's Small Business Guide recommends that all SMEs implement basic security controls and document them in clear, practical policies. Cyber Essentials certification is specifically designed to be accessible and affordable for SMEs, and the process of achieving certification naturally drives the creation of core IT security documentation.

Policy Pros works with SMEs across all sectors to produce IT security policies that are proportionate to their size and risk profile, without the complexity or cost associated with enterprise-scale documentation. Our policies are written in clear, practical language and designed to be usable by staff at all levels, not just IT specialists.

Our Approach and Services

We offer a wide selection of IT security policy solutions, including customised and entirely bespoke documents tailored to your company's needs.

• Initial Review and Consultation: Assess your existing policies and carry out a gap analysis to uncover risks and compliance issues.
• Policy Development: Draft new policies or refresh existing ones, always in line with UK legal obligations and leading frameworks such as ISO 27001.
• Ongoing Support: Ensure your documentation remains up to date and relevant, adapting to new threats, evolving regulations, and changes in your business operations.
• Staff Guidance: Provide clear, actionable policies, supporting staff training and effective incident response protocols.

IT Security Policy Examples

Click on a policy title to view more details about its contents.