The Five Ds and the Duty to Protect
Gideon Joubert
– June 6, 2026
8 min read

When most people think of asset protection, they think of property, equipment, cash, inventory, and other tangible valuables. Some may broaden the definition to include intellectual property, reputation, goodwill, and other intangible assets.
Yet the most valuable assets any organisation, community, or household possesses are the lives and wellbeing of people.
This becomes obvious when we consider why assets matter in the first place. We do not protect assets for their own sake. We protect them because they create value, support livelihoods, sustain organisations, and ultimately improve and preserve human life.
When individuals and organisations lose assets, the consequences extend far beyond financial loss. Businesses fail. Jobs disappear. Families lose their livelihoods. Communities suffer decline. In the most serious cases, people are injured or killed.
This is why corporations, governments, communities, and private citizens invest significant resources in protecting what they value. The objective is not merely to protect property or information. It is to protect the people who depend upon them.
Security professionals understand this reality well. Asset protection is not simply about locks, alarms, guards, or insurance policies. It is about creating layered systems that reduce risk, prevent loss, and protect people from harm.
One of the most useful ways of understanding this process is through a security concept known as the Five Ds of Asset Protection: deter, deny, detect, delay, and destroy.
First objective
The first objective is to deter any type of attack from occurring. Being prepared and equipped to deal with intrusions, emergencies, and crises is itself a significant component of successful deterrence. If a potential target appears difficult, costly, and risky to attack, it becomes far less attractive than softer alternatives.
Should deterrence fail, the next objective is denying the attacker access to the assets. This is the role of access-control systems, visible security patrols, internal controls, physical barriers, and other measures designed to keep adversaries away from the people, information, and property they seek to target.
If an aggressor bypasses the first two layers, the third objective is detecting the threat as early as possible. Detection is not an end in itself. Alarms, cameras, monitoring systems, and human observation do not stop attacks. Their purpose is to identify threats early enough for an effective response to be organised and deployed.
This ties directly into the fourth objective: delaying the aggressor. Delay is achieved through target hardening, physical security measures, security personnel, and — very importantly — the lawful use of force. The purpose of delay is simple: to buy time and prevent the aggressor from reaching the asset.
In practice, this could mean anything from stopping a trespasser and escorting them from a site, physically removing a disruptive individual, subduing a violent offender, or placing a criminal under arrest. The level of force used depends on the circumstances and the threat presented.
Use of force
The use of force is an important element of the rationally escalating framework represented by the Five Ds. Force always carries risks: physical risks to those who apply it, as well as legal, financial, and reputational risks. Use-of-force doctrines, such as Chapter Five of the Criminal Procedure Act, together with extensive South African common law, place clear limits on what is legally permissible and when lethal force is justified.
This is precisely why there are multiple gates an aggressor must pass through before force becomes necessary. The framework is designed, not only to protect assets, but also to protect those tasked with protecting them. Deterrence, denial, detection, and delay all exist to reduce the likelihood that a confrontation will occur and, if one does occur, to ensure it happens under the most favourable circumstances possible.
The final D of asset protection is destroy. It is the most controversial of the Five Ds, but also the easiest to misunderstand. It does not exist because security professionals desire confrontation. It exists because deterrence, denial, detection, and delay can all fail.
When innocent life is under immediate threat, the attack must ultimately be stopped. In the context of a violent criminal or terrorist attack, the final objective is to destroy the aggressor’s ability to continue the attack. In some cases, this may involve arrest, incapacitation, or surrender. In others, it may require the lawful use of lethal force. The purpose is not punishment or vengeance. It is the protection of innocent life when all other protective measures have failed.
The regulatory environment
The Five Ds framework does not exist in a vacuum. It operates within a legal and regulatory environment that either enables or undermines its effectiveness. A rational regulatory framework recognises the legitimate role of private citizens, households, and security professionals in the broader security ecosystem and empowers them accordingly. An irrational one treats every layer of the framework as a threat rather than an asset.
This distinction matters enormously in the South African context. The state’s capacity to provide security is finite. Police response times, resource constraints, and the sheer geographic scale of the country mean that private citizens and private security professionals inevitably form a critical component of the nation’s layered defence against crime. This goes beyond state failure. It is the practical reality of any society, and one that sensible policy should acknowledge and support.
When regulation is well-designed, it reinforces each of the Five Ds. It enables citizens and organisations to invest in deterrence measures, to establish meaningful access control, to deploy effective detection systems, and — critically — to delay and, where legally justified, neutralise threats to innocent life. Crucially, it also ensures that those who act in defence of themselves and others operate within a clear, principled legal framework that protects them as well.
When regulation is poorly designed, the opposite occurs. Excessive restrictions on lawful firearm ownership, onerous licensing regimes, and constraints on the private security industry do not disarm criminals. They disarm the people criminals prey upon. They erode the deterrence layer. They weaken the denial layer. They reduce the capacity for effective delay. And they leave communities — particularly those already underserved by the state — increasingly exposed to the very threats the Five Ds are designed to address.
The proposed amendments to the Firearms Control Act and the draft Private Security Industry Regulations must be evaluated against this standard. The question is not whether firearms and private security should be regulated. Society has clearly decided that they should. The question is whether the proposed regulations are rational, proportionate, and likely to improve public safety — or whether they will simply disempower the law-abiding while leaving the lawless unaffected.
A state in defiance of its people
What makes the current regulatory trajectory particularly troubling is not simply that it is misguided. It is that the state appears to be pursuing it in deliberate defiance of its own evidence. Research commissioned by the government, which produced findings and recommendations that do not support the civilian disarmament agenda, has been quietly set aside. When a state ignores the conclusions of its own experts in order to advance a predetermined policy outcome, it has abandoned the pretence of evidence-based governance.
This would be concerning in any context. In South Africa’s, it is beyond the pale.
The single greatest security threat this country faces is not the licensed firearm in the hands of a law-abiding citizen. It is the corruption and criminal infiltration that has hollowed out the state from within. This is not conjecture. It is visible in every institution tasked with keeping South Africans safe. And nowhere is its consequence more starkly illustrated than in the state’s own catastrophic record of weapons and ammunition custodianship.
Civilian firearm losses occur. They are predominantly the result of robbery — crimes committed against lawful owners, not by them. The same cannot be said of state armouries, where weapons and ammunition leak with a regularity and volume that cannot be explained by negligence alone. These are not accidents. They are the predictable output of institutions corrupted at their foundations, feeding directly into the criminal ecosystem that terrorises South African communities daily. To propose stripping civilians of their means of defence while presiding over this ongoing disaster requires either a breathtaking lack of self-awareness or something considerably more troubling.
It is precisely in this environment — one defined by institutional failure, endemic corruption, and a criminal underworld that is better armed and more organised than many would care to admit — that private and civilian security solutions are not a luxury. They are a necessity. The communities and families who cannot wait for a state response that may never come deserve a regulatory environment that empowers rather than abandons them.
The Five Ds of Asset Protection offer a rational, principled framework for thinking about security from the ground up. What South Africa needs is legislation and regulation that supports that framework: enabling lawful ownership, empowering private security, and investing in the coordinated, layered resilience that gives communities a genuine fighting chance. What it does not need is a disarmament agenda that leaves the law-abiding defenceless while the state’s own weapons continue to find their way into criminal hands.
The most valuable assets any society possesses are the lives and wellbeing of its people. Policy that forgets this is not merely poor policy. It is a dereliction of the most fundamental duty any government owes to those it governs.
Gideon Joubert is an independent security and risk consultant with a professional focus on asset protection, investigations, crisis management, and organisational resilience. He holds an Honours degree in Economics and is an Associate of the Association of Certified Fraud Examiners (ACFE). He serves as a trustee of the South African Gunowners’ Association (SAGA) and writes on issues relating to security, public safety, private security, civilian firearm ownership, and regulatory policy.