PNP-SOSIA Security Officer Exam study materials
PNP-SOSIA Security Officer Exam study resources

PNP-SOSIA Security Officer Exam key terms

PNP-SOSIA Security Officer Exam · Get comfortable with the vocabulary.

Reasonable Suspicion

A belief based on specific facts and circumstances that would lead a reasonable officer to suspect criminal activity; required for investigative stops and certain searches.

Related: Probable Cause, Investigative Stop, Search Incident to Arrest
Probable Cause

Facts and circumstances that would lead a reasonable person to believe a crime has been committed and that a specific person committed it; required for arrests and search warrants.

Related: Reasonable Suspicion, Arrest Warrant, Search Warrant
Arrest Warrant

A judicial order authorizing law enforcement to arrest a specific person for a specific offense, based on a sworn showing of probable cause.

Related: Probable Cause, Search Warrant, Citizen's Arrest
Search Warrant

A court order authorizing officers to search a specified place for specified items, issued upon a sworn showing of probable cause.

Related: Probable Cause, Arrest Warrant, Exigent Circumstances
Exigent Circumstances

Urgent situations that justify a warrantless search or entry, such as imminent danger to life, destruction of evidence, or hot pursuit of a suspect.

Related: Search Warrant, Hot Pursuit, Plain View Doctrine
Plain View Doctrine

Rule allowing officers to seize evidence of a crime without a warrant when they are lawfully present and the incriminating nature of the item is immediately apparent.

Related: Exigent Circumstances, Search Incident to Arrest, Consent Search
Search Incident to Arrest

Warrantless search of an arrested person and the immediate area within their control, permitted to find weapons and prevent destruction of evidence.

Related: Arrest Warrant, Plain View Doctrine, Reasonable Suspicion
Consent Search

A warrantless search permitted when a person with authority voluntarily agrees, without coercion, to allow the search; consent may be limited or withdrawn.

Related: Plain View Doctrine, Search Warrant, Miranda Warning
Investigative Stop

A brief detention based on reasonable suspicion during which an officer may ask questions and, if warranted, conduct a limited pat-down for weapons.

Related: Reasonable Suspicion, Stop and Frisk, Probable Cause
Stop and Frisk

A limited pat-down of a person's outer clothing during an investigative stop, permitted when an officer reasonably suspects the person is armed and dangerous.

Related: Investigative Stop, Reasonable Suspicion, Use of Force
Miranda Warning

Advice given before custodial interrogation informing a suspect of the right to remain silent, that statements may be used against them, and the right to counsel.

Related: Custodial Interrogation, Consent Search, Arrest Warrant
Custodial Interrogation

Questioning by law enforcement after a person has been taken into custody or otherwise deprived of freedom in a significant way, triggering Miranda protections.

Related: Miranda Warning, Arrest Warrant, Chain of Custody
Chain of Custody

A documented, unbroken record of who handled evidence, when, and where, from collection through presentation in court, used to prove integrity.

Related: Evidence Log, Continuity of Evidence, Custodial Interrogation
Evidence Log

A written register recording each item of evidence collected, including description, time, location, collector, and subsequent transfers.

Related: Chain of Custody, Continuity of Evidence, Incident Report
Continuity of Evidence

The principle that evidence must be accounted for at every moment from seizure to court to prevent tampering, loss, or substitution.

Related: Chain of Custody, Evidence Log, Incident Report
Incident Report

A factual written account of an event, prepared by the officer involved, containing who, what, when, where, why, and how, without opinion or conjecture.

Related: Evidence Log, Use of Force Report, Daily Activity Report
Use of Force Report

A mandatory written account submitted after any use of force, detailing the circumstances, the force applied, and the officer's justification.

Related: Incident Report, Use of Force Continuum, De-escalation
Use of Force Continuum

A framework describing levels of resistance and corresponding responses, from presence and verbal commands to physical control and deadly force.

Related: Use of Force Report, De-escalation, Defensive Tactics
De-escalation

Techniques to reduce tension and resolve conflict without force, including communication, time, distance, cover, and tactical repositioning.

Related: Use of Force Continuum, Conflict Resolution, Active Listening
Defensive Tactics

Controlled physical techniques used to protect oneself and others, including blocks, holds, and takedowns, applied proportionally to the threat.

Related: Use of Force Continuum, Restraint Techniques, Use of Force Report
Restraint Techniques

Methods of controlling a person's movement, such as handcuffing or leg restraints, used to prevent harm while minimizing risk of injury.

Related: Defensive Tactics, Positional Asphyxia, Use of Force Continuum
Positional Asphyxia

Fatal breathing impairment caused by body position, often when a restrained person is placed face-down with pressure on the back or neck.

Related: Restraint Techniques, First Aid, Defensive Tactics
Access Control

The process of restricting entry to a facility or area to authorized persons, using measures such as badges, locks, guards, or electronic systems.

Related: Perimeter Protection, Identification Check, Visitor Management
Perimeter Protection

The outermost layer of physical security, including fences, walls, gates, lighting, and patrols, designed to deter, detect, and delay intrusion.

Related: Access Control, Intrusion Detection System, Security Lighting
Identification Check

Verification of a person's identity before granting access, typically by examining a photo ID and comparing it to the person and an authorized list.

Related: Access Control, Visitor Management, Badge System
Visitor Management

Procedures for registering, badging, escorting, and tracking visitors to ensure only authorized persons enter and are accounted for.

Related: Access Control, Identification Check, Badge System
Security Screening

The systematic inspection of people and property using methods such as metal detectors, X-ray, or pat-downs to detect prohibited items.

Related: Contraband Detection, Hand-Held Metal Detector, X-Ray Screening
Contraband Detection

The identification of prohibited items, such as weapons, drugs, or unauthorized tools, through search, screening technology, or observation.

Related: Security Screening, X-Ray Screening, Hand-Held Metal Detector
Hand-Held Metal Detector

A portable device that emits an audible or vibrating alert when close to metal, used to pinpoint metallic objects during screening.

Related: Security Screening, Walk-Through Metal Detector, Contraband Detection
Walk-Through Metal Detector

A doorway-style screening device that alerts when a person passing through carries a significant amount of metal.

Related: Hand-Held Metal Detector, Security Screening, Contraband Detection
X-Ray Screening

Use of X-ray imaging to inspect bags and parcels, allowing operators to identify shapes and densities of prohibited items.

Related: Security Screening, Contraband Detection, Hand-Held Metal Detector
Fire Safety

Measures to prevent, detect, and respond to fire, including extinguishers, alarms, evacuation routes, and assembly points.

Related: Evacuation Procedure, Fire Extinguisher, Assembly Point
Evacuation Procedure

A planned sequence for moving people safely from a building during an emergency, including alarm signals, routes, and accountability.

Related: Fire Safety, Assembly Point, Emergency Response Plan
Assembly Point

A designated safe location outside a building where evacuees gather to be counted and receive further instructions.

Related: Evacuation Procedure, Fire Safety, Emergency Response Plan
First Aid

Immediate basic care given to an injured or ill person before professional medical help arrives, aimed at preserving life and preventing worsening.

Related: CPR, Automated External Defibrillator, Recovery Position
CPR

Cardiopulmonary resuscitation: chest compressions, with or without rescue breaths, used to maintain circulation when a person's heart has stopped.

Related: First Aid, Automated External Defibrillator, Recovery Position
Automated External Defibrillator

A portable device that analyzes heart rhythm and delivers an electric shock to restore normal rhythm in sudden cardiac arrest.

Related: CPR, First Aid, Recovery Position
Emergency Response Plan

A documented set of procedures for responding to emergencies, including roles, communication, evacuation, and coordination with outside agencies.

Related: Evacuation Procedure, Fire Safety, Assembly Point
Surveillance System

A network of cameras and recording devices used to monitor activity, deter crime, and provide evidence, subject to privacy and legal limits.

Related: CCTV, Access Control, Incident Report
CCTV

Closed-circuit television: a system of cameras transmitting signals to a specific set of monitors for real-time monitoring and recording.

Related: Surveillance System, Access Control, Incident Report
Two-Way Radio

A portable communication device allowing officers to transmit and receive messages, often with channels, codes, and emergency buttons.

Related: Radio Protocol, Communication Log, Surveillance System
Radio Protocol

Standard rules for radio communication, including call signs, clear speech, priority of messages, and avoidance of sensitive information.

Related: Two-Way Radio, Communication Log, Incident Report
Conflict Resolution

A process of addressing disputes by identifying interests, improving communication, and finding mutually acceptable solutions without force.

Related: De-escalation, Active Listening, Crowd Control
Active Listening

A communication technique involving full attention, paraphrasing, and reflecting feelings to understand a person's message and build rapport.

Related: De-escalation, Conflict Resolution, Crowd Control
Crowd Control

Techniques for managing large groups safely, including containment, direction, communication, and proportional use of force when necessary.

Related: Public Order, Conflict Resolution, De-escalation
Public Order

The maintenance of peace and safety in public spaces through prevention, lawful enforcement, and coordination with other agencies.

Related: Crowd Control, Conflict Resolution, Use of Force Continuum
Code of Ethics

A set of principles guiding professional conduct, including integrity, impartiality, confidentiality, and respect for human rights.

Related: Human Rights, Professional Conduct, Conflict of Interest
Human Rights

Fundamental entitlements belonging to all people, such as life, liberty, dignity, and fair treatment, which security officers must respect.

Related: Code of Ethics, Professional Conduct, Use of Force Continuum
Professional Conduct

Behavior consistent with the standards of the security profession, including honesty, courtesy, accountability, and lawful exercise of authority.

Related: Code of Ethics, Human Rights, Conflict of Interest
Conflict of Interest

A situation where personal interests could improperly influence official duties, requiring disclosure and avoidance to maintain integrity.

Related: Code of Ethics, Professional Conduct, Human Rights
Citizen's Arrest

A lawful arrest by a private person of someone who has committed an offence, subject to strict limits and immediate delivery to police.

Related: Arrest Warrant, Probable Cause, Use of Force Continuum
Self-Defence

The lawful use of reasonable force to protect oneself from imminent harm, limited to what is necessary to stop the threat.

Related: Use of Force Continuum, Defensive Tactics, Citizen's Arrest
Trespass

Unlawful entry onto property without consent or lawful authority, or remaining after being asked to leave by an authorized person.

Related: Access Control, Citizen's Arrest, Incident Report
Theft

The unlawful taking of another person's property with the intent to permanently deprive the owner, including shoplifting and employee theft.

Related: Trespass, Evidence Log, Incident Report
Assault

An intentional act that causes a person to fear immediate physical harm, whether or not contact occurs.

Related: Self-Defence, Use of Force Continuum, Incident Report
Battery

The intentional and unlawful application of physical force to another person, such as hitting, pushing, or spitting.

Related: Assault, Self-Defence, Use of Force Report
Fire Extinguisher

A portable device for suppressing small fires, classified by the type of fire it can safely extinguish, such as water, foam, CO2, or dry powder.

Related: Fire Safety, Evacuation Procedure, Assembly Point
Recovery Position

A stable side-lying position used for an unconscious but breathing person to keep the airway open and reduce choking risk.

Related: First Aid, CPR, Automated External Defibrillator
Badge System

A credentialing method using ID badges to identify authorized personnel and control access to specific areas.

Related: Access Control, Identification Check, Visitor Management
Intrusion Detection System

An alarm system that detects unauthorized entry into a protected area using sensors such as door contacts, motion detectors, or glass-break detectors.

Related: Perimeter Protection, Surveillance System, Access Control