How Physical Security Supports Food Safety and BRCGS Compliance

In today’s complex food supply chain, ensuring food safety extends beyond hygiene controls, quality assurance and regulatory compliance. Food manufacturers must also consider how physical security contributes to food defence by reducing opportunities for unauthorised access, deliberate contamination and malicious acts. As customer expectations, regulatory scrutiny and supply chain risks continue to evolve, physical security has become an increasingly important component of an effective food safety and food defence strategy.

Why Physical Security Matters in Food Safety

Physical security is a foundational element of food defense, which focuses on protecting food products from intentional contamination or harm. The BRCGS Global Standard for Food Safety emphasizes the importance of securing facilities to protect product integrity, legality, and safety.

Common Security Gaps Identified During Site Reviews

Physical security requirements are often revisited as part of major site upgrades, certification audits or business growth. However, in many food manufacturing and processing environments, security controls can evolve independently of the site’s food defence plan.

During security reviews, common issues can include unmanaged visitor access, shared access credentials, unrestricted movement between operational areas and CCTV blind spots around loading bays, ingredient stores and external plant equipment. In some cases, facilities have robust perimeter protection but limited control over internal access to higher-risk areas.

While these issues do not necessarily indicate an immediate food safety risk, they may create opportunities for unauthorised access and can be identified during food defence assessments or BRCGS audits. Regular reviews of physical security arrangements can help ensure that security measures continue to align with operational risks, site changes and compliance requirements.

Physical Security Considerations for Higher-Risk Areas

A risk-based approach should be used when determining where enhanced security controls may be required. Depending on the nature of the operation, particular attention may be given to:

High-value or high-risk ingredient storage locations.
Allergen storage and handling areas.
Water treatment and utility systems.
Chemical storage facilities.
Tanker discharge and intake points.
Finished goods storage and loading bays.
Areas where products could be vulnerable to deliberate interference.

Not every facility will require the same level of control in these locations. The objective is to understand where the potential consequences of unauthorised access could be greatest and apply security measures that are proportionate to the identified risks.

BRCGS Guidance on Site Security

“The safety of finished products must not be jeopardized through malicious actions or unauthorized persons gaining access to the site. Therefore, security systems shall be in place to limit and control access to the external areas of the site, buildings, and product.”

This means facilities must implement appropriate physical barriers and monitoring systems to deter and detect unauthorized access.

Key Physical Security Measures

Access Control Systems
- Use electronic access control solutions such as key cards, PIN credentials, mobile credentials or, where appropriate and subject to applicable data protection requirements, biometric technologies.
- Maintain visitor logs and escort all guests.
- Implement zoning to separate high-risk areas.
CCTV Surveillance
- Install cameras at entry points, production zones, and storage areas.
- Ensure CCTV retention periods are documented and appropriate for the site’s operational, investigative and regulatory requirements.
- Audit camera coverage and functionality regularly.
Perimeter Security
- Secure the site with fencing, gates, and barriers.
- Use motion sensors and alarms for after-hours protection.
- Ensure adequate lighting around the facility.
Employee Awareness and Training
- Train staff on food defense protocols.
- Conduct regular drills and audits.

Security and BRCGS Audit Ratings

The BRCGS grading system ranges from AA (highest) to Uncertified (fail). Grades are based on the number and severity of non-conformities found during an audit:

Minor: Small deviations.
Major: Significant issues affecting safety or legality.
Critical: Direct threats to food safety—results in automatic failure.

Depending on the nature and severity of the deficiency, weaknesses in physical security controls may contribute to minor, major or, in serious circumstances, critical non-conformities during a BRCGS audit. Appropriate controls and documented procedures can help demonstrate compliance and support certification objectives.

For a full breakdown of grading criteria, visit:

Tailoring Security to Your Risk Profile

The BRCGS standard encourages a risk-based approach. Your security measures should reflect the specific threats and vulnerabilities of your site—urban vs. rural, product type, and facility layout all play a role.

Certain areas within food manufacturing sites may warrant enhanced protection depending on the nature of operations. Examples can include allergen storage areas, high-value ingredients stores, tanker discharge points, water treatment systems, chemical storage locations and finished goods loading areas. A risk-based assessment should determine where additional controls may be justified.

Supporting Food Manufacturers with Physical Security Reviews

If you are reviewing your food defence plan, preparing for a BRCGS audit or assessing whether your existing security measures remain appropriate for your operation, i Security can assist with:

Access control surveys and design reviews

CCTV security assessments

Perimeter security evaluations

Visitor management solutions

Integrated security system upgrades

Our experience across manufacturing and commercial environments allows us to provide practical recommendations that support both operational requirements and compliance objectives.

To learn more or request a consultation, visit Contact

Frequently Asked Questions

Does BRCGS require CCTV?

BRCGS does not specifically mandate CCTV for every site. However, organisations must implement appropriate controls to protect products and facilities from unauthorised access and malicious acts. CCTV is often used as part of a wider food defence strategy.

What is the difference between food safety and food defence?

Food safety focuses on preventing accidental contamination, while food defence focuses on protecting food products from intentional contamination or malicious actions.

Can poor site security affect a BRCGS audit?

Potentially, yes. Weaknesses in access control, perimeter security or monitoring arrangements may be identified during food defence assessments and could contribute to audit non-conformities depending on the circumstances.

What areas of a food production facility require the highest level of security?

Requirements vary by site, but higher-risk areas may include ingredient storage, allergen stores, water treatment systems, loading bays and production areas where products could be vulnerable to deliberate interference.

Final Thoughts

Physical security should be viewed as a critical food defence control rather than an isolated security function. Access control systems, CCTV surveillance and perimeter protection can help reduce opportunities for deliberate contamination, support BRCGS compliance and demonstrate to customers, auditors and regulators that food products are being protected throughout the manufacturing process.

By adopting a risk-based approach and regularly reviewing site security arrangements, food manufacturers can strengthen both operational resilience and food safety performance.

For tools, checklists, and audit prep resources, visit the BRCGS Food Safety Help and Guidance page.

Security in Food Manufacturing