NC Security Guard study materials
NC Security Guard study resources

NC Security Guard key terms

NC Security Guard · Get comfortable with the vocabulary.

Private Protective Services

Security work performed for pay by a non-government company or individual to protect people, property, or information. In North Carolina this industry is licensed and regulated by the state.

Related: Private Protective Services Board, Guard License
Private Protective Services Board

The North Carolina state board that licenses security guards and agencies, sets training requirements, investigates complaints, and can suspend or revoke a license for misconduct.

Related: Private Protective Services, Guard License
Guard License

The state-issued credential a person must hold to work as a paid security officer in North Carolina. Working without it, or with an expired one, is unlawful.

Related: Private Protective Services Board, Registration Card
Registration Card

The pocket identification card issued to a licensed guard that shows the holder is registered with the state board. Guards must be able to produce it while on duty.

Related: Guard License
Citizen's Arrest

A limited power held by private persons to detain someone who has committed a felony or a breach of the peace in their presence. The rules are narrow and vary by state.

Related: Shopkeeper's Privilege, False Imprisonment, Use of Force
Shopkeeper's Privilege

A legal doctrine letting a merchant or its agent briefly detain a suspected shoplifter for investigation, using reasonable force, when there is probable cause and the detention is conducted in a reasonable manner.

Related: Citizen's Arrest, False Imprisonment, Probable Cause
False Imprisonment

Unlawfully restricting a person's freedom of movement, such as detaining someone without legal authority or beyond the time reasonably needed. It exposes the guard and employer to civil liability.

Related: Shopkeeper's Privilege, Civil Liability
Use of Force

The amount of physical coercion a guard may apply, which must be proportional to the threat and no more than necessary. Deadly force is reserved for situations involving imminent threat of death or serious injury.

Related: Reasonable Force, Deadly Force, Defense of Others
Reasonable Force

The minimum amount of physical effort needed to stop a threat or make a lawful detention. What counts as reasonable depends on the circumstances and must stop once resistance ends.

Related: Use of Force, Deadly Force
Deadly Force

Force intended or likely to cause death or serious bodily harm. A private guard may use it only in narrow circumstances, typically to prevent imminent death or serious injury to self or others.

Related: Use of Force, Reasonable Force
Defense of Others

The legal justification for using force to protect a third person from harm. The guard may generally use the same force the person being defended could lawfully use.

Related: Use of Force, Reasonable Force
Probable Cause

Facts and circumstances that would lead a reasonable person to believe a crime has been, is being, or is about to be committed. It is a higher standard than mere suspicion.

Related: Reasonable Suspicion, Shopkeeper's Privilege
Reasonable Suspicion

A lower standard than probable cause, based on specific facts suggesting someone may be involved in wrongdoing. It can justify brief observation or inquiry but not a full detention or search.

Related: Probable Cause, Trespass
Civil Liability

Legal responsibility for harm caused to another person, usually resolved through a lawsuit and money damages. Guards and their employers can be sued for assault, battery, false imprisonment, or negligence.

Related: Negligence, False Imprisonment
Negligence

Failure to exercise the degree of care a reasonable person would use in similar circumstances, resulting in harm. It is the most common basis for lawsuits against security officers.

Related: Civil Liability, Duty of Care
Trespass

Entering or remaining on property without permission or legal right. Guards may lawfully ask unauthorized people to leave a client's property and may involve police if they refuse.

Related: Reasonable Suspicion, Premises Liability
Premises Liability

The legal responsibility of a property owner or occupier to keep the site reasonably safe for visitors. Security failures, such as broken locks or poor lighting, can support a claim.

Related: Negligence, Duty of Care
Duty of Care

The legal obligation to act with reasonable caution toward people who could be harmed by your actions or omissions. A guard's duty is defined by the post orders, contract, and law.

Related: Negligence, Post Orders
Post Orders

Written instructions prepared by the employer or client that describe exactly what a guard must do at a specific assignment, including patrols, access control, reporting, and emergency steps.

Related: Duty of Care, Patrol Log
Patrol Log

A running written record of a guard's rounds, times, locations checked, and anything unusual observed. It is a legal document that may be used in court or an insurance claim.

Related: Post Orders, Incident Report, Chain of Custody
Incident Report

A formal written account of an unusual event such as a theft, injury, or use of force. It should record facts, times, names, and actions taken, without opinions or guesses.

Related: Patrol Log, Objective Writing
Objective Writing

Recording only what was seen, heard, or done, using neutral language rather than conclusions or judgments. Writing 'the man appeared unsteady' is objective; 'the man was drunk' is not.

Related: Incident Report, Chain of Custody
Chain of Custody

The documented, unbroken record of who handled evidence, when, and where, from collection to final disposition. Gaps in the chain can make evidence unusable in a hearing or trial.

Related: Evidence Preservation, Incident Report
Evidence Preservation

Protecting physical items, documents, or recordings from loss, damage, or tampering so they remain usable in an investigation. It includes tagging, bagging, and secure storage.

Related: Chain of Custody
Access Control

The procedures used to decide who may enter an area and under what conditions, such as checking IDs, issuing badges, or maintaining visitor logs. It is a core guard function at most posts.

Related: Visitor Log, Post Orders
Visitor Log

A record of people entering a site, showing name, time in, purpose, host, and time out. It supports access control and provides a record for later investigation.

Related: Access Control
Observation

The skill of deliberately noticing details such as appearance, clothing, vehicles, and behavior. Accurate observation depends on attention, good lighting, and recording facts promptly.

Related: Incident Report, Objective Writing
Radio Protocol

The standard way of speaking on a two-way radio, using clear, brief messages, identifying yourself, and avoiding codes the listener may not know. It keeps communication reliable during emergencies.

Related: Emergency Notification, Emergency Action Plan
Emergency Action Plan

A written plan describing how occupants should respond to fire, severe weather, medical emergencies, or violence, including evacuation routes, assembly points, and assigned duties.

Related: Evacuation, Emergency Notification
Evacuation

Moving people out of a dangerous area by planned routes to a safe assembly point. Guards direct traffic, check for stragglers, and keep exits clear without blocking emergency responders.

Related: Emergency Action Plan, Assembly Point
Assembly Point

A pre-designated safe location where evacuated people gather so they can be counted and accounted for. It should be far enough from the building to avoid falling debris or fire spread.

Related: Evacuation
Emergency Notification

The process of alerting occupants, police, fire, or medical services about an emergency. It should follow post orders and include location, nature of the emergency, and injuries.

Related: Radio Protocol, Emergency Action Plan
First Aid

Basic emergency care given before professional medical help arrives, such as controlling bleeding, treating shock, or stabilizing an injury. Guards should act only within their training.

Related: CPR/AED, Emergency Notification
CPR/AED

Cardiopulmonary resuscitation and automated external defibrillator use, which can restart or support a heart that has stopped. Many security posts require current certification in both.

Related: First Aid
Fire Safety

Knowledge of extinguisher types, alarm systems, evacuation routes, and safe response to smoke or flames. Guards should never fight a fire beyond their training or that is growing quickly.

Related: Evacuation, Emergency Action Plan
Active Threat

A situation in which a person is actively causing or attempting to cause death or serious injury, usually with a weapon. Response options include running, hiding, and, as a last resort, fighting.

Related: Emergency Action Plan, Emergency Notification
Workplace Violence

Threats, harassment, or physical attacks occurring at or related to work. Guards should recognize warning signs, report them, and follow post orders for de-escalation and notification.

Related: De-escalation, Active Threat
De-escalation

Techniques such as calm speech, active listening, giving space, and offering choices that reduce tension before force becomes necessary. The goal is to resolve conflict without injury.

Related: Workplace Violence, Use of Force, Professional Ethics
Professional Ethics

The standards of honesty, fairness, and integrity expected of a security officer, including refusing bribes, avoiding conflicts of interest, and treating everyone equally under post orders.

Related: Confidentiality, De-escalation
Confidentiality

The duty not to reveal client, employee, or incident information to anyone without a legitimate need to know. Breaches can harm people and create legal liability for the guard and employer.

Related: Professional Ethics, Incident Report