What this subject area covers
Courses under this heading share an interest in threats to states, societies and organisations, and in how people respond to them. They differ a good deal in emphasis, so your evidence should match the course you are applying for rather than a general fascination with conflict or espionage.
- War studies and strategic studies examine why wars start, how they are fought and ended, and how states link military power to political aims. Expect history, international relations and strategic theory.
- Defence studies, military studies and military science look at armed forces as institutions: doctrine, procurement, civil–military relations, alliances and the practical side of planning and operations.
- Security studies is usually broader. It covers military threats but also cyber, energy, health, climate, migration and “human security”, and it often debates what should count as a security issue at all.
- Intelligence studies concerns how information is collected, assessed and used by decision-makers, why intelligence fails, and how secret agencies are overseen in democracies.
- Terrorism studies deals with definitions of terrorism, radicalisation, the aims and organisation of violent groups, and the effects and ethics of counter-terrorism.
- Security management and homeland security are more applied. They deal with protecting organisations, infrastructure and populations through risk assessment, resilience planning, policy and coordination between agencies.
Read the module lists. A course full of strategic theory and military history needs different evidence from one built around risk management, or one that treats security critically as a political construct.
How this differs from neighbouring subjects
The boundaries with nearby subjects matter because admissions readers notice when a statement belongs to a different course.
- Criminology and criminal justice focuses on crime, offenders and justice systems. Terrorism and organised crime overlap with it, but a security statement should reach the political and strategic side: state responses, threats to national or international order, and policy trade-offs.
- Policing is about law enforcement practice. An interest in counter-terrorism policing fits best when you link it to wider questions of intelligence sharing, surveillance or the balance between liberty and security.
- Disaster and emergency management overlaps with homeland security and resilience. Security courses usually put more weight on deliberate threats and adversaries, and less on natural hazards.
- Forensic science is a laboratory science. An interest in investigation does not by itself show readiness for an essay-based, policy-focused degree.
- International relations and politics are close relatives. If your interest is mainly diplomacy or global governance, ask whether a security-specific course is the right choice.
Interests that work well in a statement
Strong interests are specific questions, not topics. “I am interested in terrorism” says little. “I want to understand why some groups give up violence and move into politics while others split” shows a question that a degree could help you answer.
Interests suited to particular branches
- War and strategic studies: why a particular war lasted longer than expected; whether nuclear deterrence explains the absence of great-power war; how strategy relates to political goals in a conflict you have read about.
- Defence: why alliances hold or fracture; how states decide what to spend on; the relationship between elected governments and military leaders.
- Intelligence: a well-documented intelligence failure and the argument over whether the problem was collection, analysis or politicians’ use of the assessment; the tension between secrecy and democratic accountability.
- Terrorism: why definitions of terrorism are contested; whether a counter-terrorism measure reduced violence or caused backlash; online radicalisation and how platforms are regulated.
- Security studies: whether climate change or pandemics should be framed as security threats, and what changes when they are; cyber attacks that fall short of war.
- Security management and homeland security: how a major venue or transport system balances protection against public access; why a particular incident exposed weaknesses in coordination between organisations.
Handling the subject’s sensitivities
This area attracts applicants through films, games and news coverage. That is a legitimate starting point, but it is not evidence. If something like this prompted your interest, mention it briefly and spend your space on what you read or thought about afterwards. Avoid glamorising violence, describing yourself as a future spy, or writing in a way that treats a real conflict as entertainment. When you discuss terrorism or war, show awareness that real people were harmed and that the evidence is often disputed.
Showing that you can hold more than one view is valuable here. Many core debates, such as surveillance against privacy, intervention against non-intervention, or security against civil liberties, have no settled answer. A statement that weighs them sounds more like a student of the subject than one that announces firm solutions.
Academic preparation you can draw on
No single school subject is the obvious route. Several give you material to use if you say specifically what carried over.
- History: source analysis, causation and evaluating competing interpretations are central to war and strategic studies. A coursework essay on a conflict, a crisis or a wartime intelligence episode is directly relevant. Its limit is that historical study does not by itself show interest in present-day policy, so link it forward if the course is contemporary.
- Politics or government: useful for civil liberties, executive power, legislation on surveillance or terrorism, and international institutions.
- Geography: relevant to resource conflict, borders, migration, climate risk and critical infrastructure, especially for broader security studies and homeland security.
- Sociology and psychology: relevant to radicalisation, group behaviour and how people perceive risk. Be careful not to overstate what introductory psychology tells you about why individuals become violent.
- Computing: relevant to cyber security as a policy issue. Many security courses study cyber from political and strategic angles rather than technically, so say which aspect interests you.
- Mathematics and statistics: useful for risk assessment and for judging claims about how often attacks happen or how well a measure works.
- Languages: a modern language, particularly one connected to a region you discuss, is relevant to intelligence and regional security. Say what you can actually do with it rather than implying fluency you do not have.
- An Extended Project or independent essay: often the strongest evidence, because it shows that you framed a question, handled sources and reached a judgement. Explain your question and what complicated your initial answer.
Reading and independent study
Reading is the most accessible preparation, and it is more convincing when you engage with an argument than when you list titles. Possible sources include:
- Academic or serious general books on strategy, a particular war, intelligence history or terrorism.
- Reports and commentary from research institutes and parliamentary committees, which show how policy arguments are made and challenged.
- Published official inquiries into intelligence failures, attacks or military decisions. They are useful because they set out evidence and disagree with earlier assumptions.
- Podcasts and lectures by academics in the field.
- Quality journalism, read with attention to how sources are used, since much information in this field is partial, leaked or contested.
For any item you mention, the reader wants to know what argument it made, whether you found it persuasive, and what it made you think next. One source discussed with a reservation or counter-argument does more than five listed.
Pay attention to the reliability of information. Open-source material on conflicts, including social media footage and satellite imagery analysis, is now widely discussed. If you have followed how analysts verify or debunk such material, that bears directly on intelligence and security courses. Do not claim analytical expertise you have not developed.
Activities and experience
Directly related activities
Some applicants have cadet experience, Model United Nations or debating on security topics, crisis simulation exercises, cyber security competitions, or a defence or security family background. These help when you reflect on them.
- Cadets or reserve forces: can show insight into military organisation, hierarchy and training. They do not give you knowledge of strategy or policy. Draw out something specific, such as how orders are passed down and adapted, rather than general claims about discipline.
- Model United Nations: can show you researched a state’s position on a security issue and saw why compromise was hard. It is a simulation, so do not present it as diplomatic experience.
- Cyber competitions: show technical problem-solving. For a policy-oriented course, connect this to questions of attribution, deterrence or regulation.
- Family connections to the armed forces or security services: may explain your interest and give you a sense of the personal costs of deployment. Do not cite confidential information or imply you have inside knowledge.
If you have no directly relevant experience
Most applicants have none, and none is expected for you to make a credible case. Ordinary experience can be relevant if you are precise about the connection and honest about its limits.
- Retail, hospitality or events work: you may have followed procedures on theft, bag checks, crowd flow, emergency exits or suspicious items. This links to security management and protective security: you saw how rules are applied in practice and where staff work around them. It does not make you a security professional, and you should not describe a till job as security work.
- Working with data or records: handling customer data, passwords or confidential information connects to information security and the human side of cyber risk, such as phishing and weak practices. Its limit is that it shows awareness, not technical or policy knowledge.
- Caring responsibilities: planning around a relative’s needs involves anticipating risks and preparing for what could go wrong, which relates to resilience thinking in homeland security. Use this only if you can make the link concrete, and do not overstate the comparison.
- Volunteering with refugees, migrants or community groups: can give a grounded view of how conflict and insecurity affect individuals, which suits human-security approaches. Respect people’s privacy and avoid using their stories as material about yourself.
- Gaming and strategy hobbies: strategy games, wargaming or chess can lead into real questions about uncertainty, adversaries and decision-making. They are models with simplified rules, so move quickly to how real strategic problems differ, such as political constraints, imperfect information and human cost.
- Debating: practice in arguing a side you disagree with is relevant to a field built on contested trade-offs. Name the motion and what you found hard about it.
- Living in, or having family from, a region affected by conflict or terrorism: this can give genuine perspective. Write about it only to the extent you are comfortable, and keep the focus on the questions it raised for you.
What useful reflection looks like
Reflection in this subject usually means showing that you recognised complexity and changed or refined a view. Some patterns that work:
- Starting with a simple assumption, for example that more surveillance means more safety, then explaining what in your reading complicated it.
- Comparing two explanations for the same event and saying which you find stronger and why.
- Noticing who decides what counts as a threat, and whose security a policy protects.
- Recognising the gap between how something looks in public reporting and what can actually be known, especially for intelligence matters, where much remains classified.
A short illustration of the difference: “I volunteered at a festival and learned about security” tells the reader nothing. A sentence explaining that you saw queues build up at bag searches, which made you think about how protective measures can create new crowded spaces, and that this led you to read about debates on protecting busy public places, shows a real line of thought. Only use a version of this if it matches what actually happened to you.
Study is not the same as a job
Many applicants hope to work in the armed forces, intelligence, policing, government or the private security sector. You can mention a career aim, but the statement should be about the academic subject. These degrees study war, threats and security policy critically; they are not training for a particular service, and graduates go into a range of fields. Avoid suggesting that the course will make you an intelligence officer or that you already think like one. Your interest in the questions themselves should carry the statement.
Pitfalls specific to this subject
- Treating news coverage as expertise. Naming a current conflict shows you read the news. Analysing one aspect of it, with an argument, shows readiness for study.
- Strongly partisan statements. Holding views on contested conflicts is fine, but one-sided language about a current war or group can make you look unable to weigh evidence. Show that you understand the strongest opposing argument.
- Sensationalism. Dramatic descriptions of attacks or covert operations weaken a statement and can seem insensitive.
- Claiming access you do not have. Do not imply knowledge of classified matters, or exaggerate cadet or work experience into professional roles.
- Ignoring the course’s approach. An applied homeland security course and a critical security studies course want different emphases. One that questions the idea of “threat” may not respond well to a statement that takes official threat assessments at face value.
- Writing a criminology or policing statement. If most of your material is about individual crimes and offenders, check whether a neighbouring subject fits better or widen your focus to state and policy responses.
- Listing threats. Naming cyber, terrorism, climate and pandemics in one sentence shows breadth without understanding. Pick one or two and say something substantive.
For general advice on planning, structure and editing, read our personal statement writing guide.
Security, defence and intelligence personal statement examples