The 'Last Person Out' Protocol: Securing Your Office After Business Hours
- admin
- Nov 2
- 5 min read
Offices face numerous risks when vacant after hours. These threats include physical theft of valuable equipment, the devastation of fire or water damage from overlooked utilities, and the potential for a serious data breach if computer systems remain vulnerable. The financial and legal costs associated with a single major incident can pose an existential threat to any size business.
A core challenge is that many staff members, eager to start their personal time, often rush or forget critical security and safety procedures when they are the final individual to leave the workplace. This unintentional human error creates a significant vulnerability. The solution rests in a structured, mandatory process. This guide introduces the "The Last Person Out Protocol," a simple, step-by-step procedure designed to ensure that the office premise is completely secured and ready for the next working day, every single time.
What is the "The 'Last Person Out' Protocol"?
The "The Last Person Out Protocol" is a non-negotiable, documented procedure detailing every essential action required to fully secure an office building or leased space when the final employee leaves. It moves beyond simply locking the main door. This comprehensive office security checklist covers physical assets, information technology systems, and crucial environmental controls like lighting and heating.
The protocol assigns the ultimate responsibility for a thorough shutdown to the person departing last, ensuring that multiple checks have taken place before that final key turn. This established method is foundational to proper workplace safety management and is a clear demonstration of due diligence in protecting business operations.
Why the Protocol Matters to Everyone

Implementing a strict close-down method safeguards not only physical possessions but also the company’s stability and employee jobs. Everyone in the organization benefits from a secure environment.
Financial Impact Mitigation
The average cost of a data breach for Canadian organizations is substantial, reaching $6.32 million CAD per incident, according to the Canadian Centre for Cyber Security. This protocol prevents common entry points for network intrusion, such as unsecured workstations, significantly reducing the chance of incurring these colossal, unbudgeted expenses. A secure office avoids theft and costly insurance claims, protecting the company's financial health.
Information Security and Privacy Mandates
Canadian law, especially the federal Privacy Act, mandates the protection of personal and corporate data. Improperly shut-down computers or unlocked filing cabinets violate these principles. A structured close-down is a visible part of the organization's information security program, reducing the risk of a breach and subsequent reporting to the Office of the Privacy Commissioner of Canada (OPC). It reflects a serious commitment to data safeguarding.
Fire and Hazard Prevention
The National Fire Code of Canada, which is adopted by provincial jurisdictions, requires maintaining fire safety plans. Leaving things like coffee makers or chargers plugged in creates fire hazards. This protocol forces checks on all appliances and electrical devices, ensuring compliance with fire safety guidelines and preventing disastrous property loss and potential injury, upholding Canadian safety standards.
Employee and Corporate Accountability
A formal protocol clearly defines the security responsibilities of every staff member, preventing the "it's not my job" mentality. When a security lapse occurs, the process clearly shows where the failure happened. This specific accountability model fosters a culture of collective care for the workplace assets and greatly improves overall business operations.
Optimizing Future Business Continuity
Damage from theft, fire, or flood causes major operational downtime. Following the protocol minimizes the chances of arriving to find a major incident. An office that is secure and ready for the day allows employees to start work immediately, without delays for repairs or investigations, greatly improving operational efficiency and productivity.
The Step-by-Step 'Last Person Out' Checklist

The following items represent the core of a robust protocol. Each step must be marked off physically by the final employee before the external door is secured
Technology Shutdown Verification
All desktop computers, monitors, and non-essential networked devices must be completely powered down, not just set to sleep mode. Printers should be turned off, and any laptops left on-site must be securely stored and physically locked away. This reduces power consumption and removes remote access vulnerability points, providing cyber-protection.
Physical Access Control Check
Every window, internal office door (if applicable), cabinet, safe, and filing drawer containing confidential documents must be checked and locked. This includes lesser-used exits or balcony doors. A thorough check prevents easy entry for intruders and secures physical records in compliance with document retention policies.
Utility and Lighting Management
All non-security lighting, including washroom lights, kitchen fixtures, and decorative lights, must be turned off to conserve energy. Heating or air conditioning systems should be set to an energy-saving, unoccupied mode. This action provides cost savings and reduces the risk of electrical faults that could lead to fire damage.
Shredding and Desk Clear-up
All sensitive documents, scrap paper, and printouts containing client names or internal figures must be thoroughly shredded or placed in a locked confidential disposal bin. Desks should be completely cleared of personal items and valuables. This maintains a 'clean desk policy' and prevents accidental information loss or unauthorized access.
Primary and Secondary Exit Sealing
The main entry door and all secondary access points, including back doors and loading bay doors, must be firmly shut and physically locked with the required keys or electronic code. Ensure all automatic locking mechanisms have fully engaged. This is the last physical barrier against unwanted entry.
Alarm System Activation
The intruder alarm system must be properly armed and tested, using the correct key fob or access code. A quick check of the keypad should confirm the system is active and reporting to the monitoring service. Failure to arm the system renders all other security hardware useless, making this a critical step.
Key and Credential Secure Storage
Any physical keys, access cards, or company credit cards used during the close-down process must be stored in a designated, secure location, such as a wall-mounted key safe or drop box. These items should never be carried home by non-management staff. This prevents unauthorized duplication and ensures proper key management.
Surveillance System Confirmation
If the office uses a Closed-Circuit Television (CCTV) system, a final glance at the monitoring screen or a system status check should confirm the cameras are recording and operating correctly. This ensures that any overnight incident is fully documented, supporting any subsequent investigation and providing visual deterrence.
The "The Last Person Out Protocol" is a fundamental element of responsible business management and a necessary defence against preventable financial and operational harm. A comprehensive and consistently enforced procedure turns the final act of closing the office into a strong, reliable layer of security for all staff and the company’s future. By formally adopting and training all employees on this simple checklist, organizations establish a necessary culture of collective care, demonstrating due diligence to stakeholders and Canadian authorities.
For businesses seeking to establish or refine their office closing procedures with expert assistance, or to implement professional security guard services for an added layer of peace of mind, experienced specialists can offer tailored solutions. Secure your peace of mind and your assets today! Contact Security Guard Group Canada, for expert security consulting and personnel at (226) 667-5048.
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