HI Security Guard key terms
HI Security Guard · Get comfortable with the vocabulary.
- Duty of Care
- Related: Negligence, Reasonable Force, Scope of Authority
The legal obligation of a security guard to act reasonably to protect people and property within the scope of assigned responsibility, avoiding foreseeable harm through prudent action and attention.
- Negligence
- Related: Duty of Care, Civil Liability, Incident Report
Failure to exercise the degree of care a reasonable guard would use in similar circumstances, resulting in harm. It requires a duty, a breach, causation, and actual damages.
- Scope of Authority
- Related: Duty of Care, Citizen's Arrest, Trespass
The limits of what a guard may lawfully do, set by state law, employer policy, licensing, and the client contract. Actions beyond these limits can be unlawful even if well intentioned.
- Civil Liability
- Related: Negligence, False Imprisonment, Excessive Force
Legal responsibility for money damages arising from harm to another person, such as from negligence, false imprisonment, or assault. It is separate from criminal charges and can follow even lawful conduct done poorly.
- Reasonable Force
- Related: Excessive Force, Deadly Force, Use-of-Force Continuum
The amount of physical intervention a guard may use that a prudent person would consider necessary and proportionate to stop a threat, no more than needed to prevent harm or detain for police.
- Excessive Force
- Related: Reasonable Force, Use-of-Force Continuum, Civil Liability
Physical intervention that goes beyond what is reasonably necessary under the circumstances. It can expose the guard and employer to criminal charges, civil suits, and license discipline.
- Deadly Force
- Related: Reasonable Force, Use-of-Force Continuum, Weapon Retention
Force intended to cause, or that a guard knows creates a substantial risk of causing, death or serious bodily injury. Its use is tightly restricted by law and employer policy.
- Use-of-Force Continuum
- Related: Reasonable Force, De-escalation, Excessive Force
A graduated framework that matches response level to threat level, moving from presence and verbal commands through soft empty-hand control, hard empty-hand control, and intermediate weapons to deadly force only as a last resort.
- De-escalation
- Related: Use-of-Force Continuum, Verbal Judo, Active Listening
Techniques that reduce tension and the likelihood of violence through calm communication, positioning, time, and active listening before any physical intervention is needed.
- Citizen's Arrest
- Related: Scope of Authority, False Imprisonment, Detention
A limited power of a private person to detain someone who commits a crime in their presence, or as state law allows. Guards must know their state's exact rules and call police promptly.
- False Imprisonment
- Related: Detention, Civil Liability, Citizen's Arrest
Unlawfully restricting a person's freedom of movement by force, threat, or assertion of authority without legal justification. Even a brief unlawful detention can create civil liability.
- Detention
- Related: False Imprisonment, Citizen's Arrest, Reasonable Force
Holding a person in a place or preventing them from leaving, lawfully or not. A guard must have legal grounds and use only reasonable, brief measures while police are summoned.
- Trespass
- Related: Scope of Authority, Premises Liability, Access Control
Entering or remaining on property without permission or legal right. Guards may lawfully ask trespassers to leave and may use reasonable measures to enforce lawful removal under employer policy.
- Premises Liability
- Related: Duty of Care, Trespass, Incident Report
The legal responsibility of property owners and occupiers to keep premises reasonably safe and warn of known hazards. Guards often carry out these duties on behalf of the property owner.
- Active Listening
- Related: De-escalation, Verbal Judo, Observation
Fully concentrating on a speaker, noting words and body language, and confirming understanding by paraphrasing. It calms people, gathers accurate information, and reduces the chance of escalation.
- Verbal Judo
- Related: De-escalation, Active Listening, Reasonable Force
A communication approach that redirects hostility through empathy, respectful language, and offering choices, aiming to gain voluntary compliance rather than forcing confrontation.
- Observation
- Related: Situational Awareness, Incident Report, Active Listening
Deliberate, systematic attention to people, objects, and conditions, including baseline behavior and anomalies. Skilled observation is the foundation of prevention, reporting, and accurate testimony.
- Situational Awareness
- Related: Observation, De-escalation, Access Control
Continuous perception and understanding of what is happening around you, so threats and hazards are recognized early enough to avoid or respond to them effectively.
- Access Control
- Related: Trespass, Situational Awareness, Post Orders
Procedures and systems that limit entry to authorized people, such as checking credentials, badge readers, visitor logs, and locked doors. It is a core prevention function on most posts.
- Post Orders
- Related: Scope of Authority, Access Control, Incident Report
Written instructions for a specific post describing duties, patrols, reporting, emergency steps, and limits on authority. Guards are expected to know and follow them.
- Patrol
- Related: Observation, Post Orders, Fire Watch
Scheduled movement through an assigned area to detect hazards, deter crime, and verify conditions. Effective patrol varies routes and timing and documents what was checked.
- Incident Report
- Related: Observation, Chain of Custody, Negligence
A written record of an event, capturing who, what, when, where, how, and what actions were taken. Reports should be factual, objective, timely, and free of opinion or speculation.
- Chain of Custody
- Related: Incident Report, Evidence Preservation, Testimony
A documented, unbroken record of who handled evidence, when, and where from collection to final disposition. Gaps can make evidence inadmissible or undermine testimony.
- Evidence Preservation
- Related: Chain of Custody, Crime Scene, Incident Report
Protecting physical and digital evidence from contamination, loss, or alteration, including securing the scene and limiting access until law enforcement or investigators arrive.
- Crime Scene
- Related: Evidence Preservation, Chain of Custody, Incident Report
The location where an offense occurred or evidence may be found. Guards secure it, avoid disturbing items, and record initial conditions rather than investigating themselves.
- Testimony
- Related: Incident Report, Chain of Custody, Observation
Spoken or written statements given under oath in court or at a hearing. Guards should rely on accurate notes and reports rather than memory and answer only what is asked.
- Emergency Action Plan
- Related: Evacuation, Fire Watch, Incident Command
A written plan describing how occupants respond to fire, severe weather, medical emergencies, and other crises, including evacuation routes, assembly points, and assigned roles.
- Evacuation
- Related: Emergency Action Plan, Assembly Point, Fire Watch
Organized movement of people out of a dangerous area to a safe assembly point, using designated routes and accounting for occupants, including those needing assistance.
- Assembly Point
- Related: Evacuation, Emergency Action Plan, Fire Watch
A pre-designated safe location where evacuees gather so they can be counted and kept clear of hazards and emergency vehicles.
- Fire Watch
- Related: Patrol, Emergency Action Plan, Evacuation
A patrol assigned when fire protection systems are impaired or during high-risk activities, to detect fire early, alert occupants, and begin notification of the fire department.
- Incident Command System
- Related: Emergency Action Plan, Evacuation, Testimony
A standardized management structure that organizes responders by function, such as command, operations, and logistics, so multiple agencies can work together under one plan.
- CPR
- Related: AED, First Aid, Good Samaritan Law
Cardiopulmonary resuscitation: chest compressions, with rescue breaths if trained, to circulate blood when a person is unresponsive and not breathing normally, until advanced help arrives.
- AED
- Related: CPR, First Aid, Emergency Action Plan
Automated external defibrillator: a portable device that analyzes heart rhythm and delivers a shock to restore normal rhythm in sudden cardiac arrest. Training and quick access save lives.
- First Aid
- Related: CPR, AED, Good Samaritan Law
Immediate basic care for injury or sudden illness before professional help, such as bleeding control, bandaging, and positioning, limited to the guard's level of training.
- Good Samaritan Law
- Related: First Aid, CPR, Duty of Care
A state law that limits liability for people who give emergency aid voluntarily and in good faith within their training, encouraging bystanders to help without fear of lawsuits.
- Bloodborne Pathogens
- Related: Personal Protective Equipment, First Aid, Universal Precautions
Viruses and bacteria spread through blood and body fluids, such as hepatitis B, hepatitis C, and HIV. Guards use gloves and other protective measures when exposure is possible.
- Universal Precautions
- Related: Bloodborne Pathogens, Personal Protective Equipment, First Aid
Treating all blood and body fluids as potentially infectious and using barriers such as gloves, eye protection, and hand hygiene for every exposure situation, regardless of assumed risk.
- Personal Protective Equipment
- Related: Bloodborne Pathogens, Universal Precautions, Fire Watch
Gear worn to reduce injury or exposure risk, including gloves, eye protection, masks, high-visibility vests, and protective footwear, selected for the hazards of the post.
- Weapon Retention
- Related: Deadly Force, Reasonable Force, Situational Awareness
Techniques and habits that keep an armed guard's weapon under their control, including proper holstering, awareness of surroundings, and defending against a grab attempt.