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Top 10 Skills in Cyber sScurity According to LinkedIn & Indeed Job Postings

7 min read

In today’s digital age, cyber security is no longer optional—it’s mission-critical. From financial institutions to healthcare providers, government departments to tech startups, every sector in the UK is under rising cyber threats. As a result, employers are constantly on the hunt for skilled professionals who can defend, detect, and respond effectively.

But with cyber threats evolving at pace, what exactly are employers seeking? By analysing job postings on LinkedIn and Indeed, this article reveals the Top 10 cyber security skills UK organisations are demanding in 2025. Read on to discover how to present these skills effectively on your CV, in interviews, and through practical proof of experience.

Quick Summary: Top 10 Cyber Security Skills Employers Want in 2025

  • Security fundamentals (network, OS, threat modelling)

  • Incident response & SOC operations

  • Cloud security (AWS/Azure/GCP)

  • Penetration testing & ethical hacking

  • SIEM & threat intelligence (Splunk, LogRhythm, etc.)

  • Identity & Access Management (IAM)

  • Secure software development (DevSecOps)

  • Governance, Risk & Compliance (GDPR, ISO27001, NIST)

  • Automation & scripting (Python, PowerShell, Bash)

  • Communication & cross-team collaboration

1) Security Fundamentals & Threat Modelling

Why it’s essential:All cyber security roles start with a strong grasp of foundational concepts: network security, operating systems, threat modelling, and vulnerabilities. Organisations look for professionals who can anticipate and conceptualise attacks before they happen.

What job ads often say:“Strong knowledge of networks, TCP/IP, OS internals”, “experience in building threat models”, “understanding of attack vectors (e.g., OWASP, MITRE ATT&CK)”.

How to evidence it on your CV:

  • “Developed threat model for web app based on OWASP Top 10, reducing identified risks by 70%.”

  • “Conducted architecture reviews to detect privilege escalation pathways in Windows environments.”

Interview readiness:Be ready to walk through common network attacks—like Man-in-the-Middle or ARP spoofing—and how you’d design defences.

2) Incident Response & SOC Operations

Why it matters:Rapid detection and response is often the difference between minor disruption and major breach. Employers want candidates who know how to work within a Security Operations Centre (SOC) and handle live incidents using established playbooks.

What job ads often say:“Experience in incident response”, “familiarity with SOC workflows”, “able to triage alerts and escalate appropriately”.

How to evidence it:

  • “Led incident response for phishing attack, restoring systems within 4 hours and leading remediation.”

  • “Triage of SIEM alerts in Splunk, reducing false positives by 50% via custom correlation searches.”

Interview readiness:Expect scenario questions: describe how you’d respond to a detected breach or unusual traffic patterns.

3) Cloud Security (AWS, Azure, GCP)

Why it’s rising:As organisations shift to the cloud, they need security professionals who understand cloud-native risks and controls. Employers want people who can secure IAM policies, data storage, network segmentation, and cloud workloads.

What job ads often say:“AWS/Azure/GCP security experience”, “CloudSecOps”, “ability to secure cloud workloads and infrastructure”.

How to evidence it:

  • “Implemented AWS security landing zone with guardrails, reducing misconfigured S3 buckets by 90%.”

  • “Applied Azure Policy and Sentinel to enforce secure deployment across resource groups.”

Interview readiness:Be ready to discuss differences in security between on-prem and cloud settings, and explain how you'd enforce least privilege at scale.

4) Penetration Testing & Ethical Hacking

Why it’s critical:Many UK organisations now conduct regular internal or third-party pentests. Employers look for candidates with hands-on experience using tools like Burp Suite, Nmap, Metasploit, and writing exploit scripts.

What job ads often say:“Pen testing or vulnerability assessment”, “Certifications like OSCP or CREST a plus”, “experience with web and network exploitation tools”.

How to evidence it:

  • “Performed black-box web penetration test, identifying critical SQL injection vulnerability in production.”

  • “OSCP certified; wrote custom Metasploit modules for client testing operations.”

Interview readiness:Expect live or hypothetical pentests—describe your methodology, tools, and how you validate findings.

5) SIEM & Threat Intelligence (Splunk, LogRhythm, etc.)

Why it’s in demand:Security information and event management (SIEM) platforms are the backbone of threat detection. Employers want professionals who can customise rules, craft dashboards, and distil signals from noise.

What job ads often say:“Experience with SIEM tools (Splunk, LogRhythm, etc.)”, “ability to build dashboards and alerting rules”.

How to evidence it:

  • “Deployed Splunk dashboards for privileged access monitoring; reduced alert fatigue by 40%.”

  • “Automated threat feed ingestion into LogRhythm, improving triage speed.”

Interview readiness:Be ready to build a sample detection rule and explain how you’d measure its effectiveness.

6) Identity & Access Management (IAM)

Why it’s essential:Who can access what—and how—is a foundational security concern. Employers expect familiarity with IAM systems, SSO/SAML, RBAC, and multi-factor authentication (MFA).

What job ads often say:“Experience with IAM tools”, “managing SSO, RBAC, and MFA”, “identity lifecycle management”.

How to evidence it:

  • “Implemented SSO with Azure AD and MFA across all internal apps, cutting password-related helpdesk incidents by 60%.”

  • “Designed RBAC model for microservices access, aligning with least privilege.”

Interview readiness:Expect questions around identity federation, policy design, and handling orphaned accounts.

7) Secure Software Development & DevSecOps

Why it’s valuable:Security cannot remain siloed. Employers want professionals who know how to build security into CI/CD pipelines, manage code analysis tools, and foster secure coding practices.

What job ads often say:“DevSecOps/Secure SDLC experience”, “integration of SAST/DAST tools”, “security gate in CI/CD workflows”.

How to evidence it:

  • “Added SAST checks (using SonarQube) in Jenkins pipeline, preventing 30+ critical issues reaching production.”

  • “Trained dev teams on secure coding practices and OWASP prevention strategies.”

Interview readiness:Be prepared to walk through how you’d integrate security into a build pipeline and response to findings.

8) Governance, Risk & Compliance (GRC)

Why it’s demanded:UK organisations often must comply with GDPR, ISO27001, and sector-specific standards like PCI-DSS or NIS regulations. Employers want people who can manage risk frameworks and audit controls.

What job ads often say:“GRC experience (GDPR, ISO27001, NIS)”, “risk assessments and security auditing”.

How to evidence it:

  • “Led ISO27001 audit achieving zero major nonconformities; maintained certification for 2 consecutive cycles.”

  • “Conducted GDPR privacy impact assessments for new data project.”

Interview readiness:Be ready to discuss how you’d structure a risk register or handle a data privacy assessment.

9) Automation & Scripting (Python, PowerShell, Bash)

Why it matters:Security teams rely on automation to handle scale. Employers want professionals who can write scripts to parse logs, triage alerts, fire tests, or orchestrate repetitive tasks.

What job ads often say:“Scripting in Python or PowerShell”, “automation of security tasks”, “build your own tools”.

How to evidence it:

  • “Wrote Python script to extract and summarise firewall logs; reduced analysis time by 70%.”

  • “Developed PowerShell toolkit for account provisioning and audit logging.”

Interview readiness:Be prepared to discuss a script you’ve written and why automation matters.

10) Communication & Cross-Functional Collaboration

Why it gets you hired:Cyber security professionals must liaise with IT, development, risk, legal, and executives—all often with different priorities. Employers value clarity, pragmatism, and diplomacy.

What job ads often say:“Strong communicator”, “stakeholder engagement”, “translate risk in business terms”.

How to evidence it:

  • “Presented security risk summary to board, securing funding for SOC upgrades.”

  • “Created incident dashboard and runbook for IT team, reducing alert handling time.”

Interview readiness:Expect situational questions where you'll need to explain a technical risk in plain English.

Honorable Mentions

  • Threat hunting & proactive detection

  • Bug bounty programs & coordinated disclosure

  • DevOps pipeline security tools (e.g., MFA for deploys, image scanning)

  • Supply chain security (SBOM, software bill of materials)

How to Prove These Skills

  1. Portfolio: GitHub tools, reports from pentests, incident summaries (sanitised).

  2. CV: highlight measurable impact (response times, audit results, automation time saved).

  3. ATS optimisation: mirror UK job ad terms (Incident Response, SIEM, ISO27001).

  4. Interview prep: be ready with examples, scenarios, and walk-throughs of your past work.

UK-Specific Hiring Signals

  • Financial services (London and Edinburgh) prioritise incident response and threat detection.

  • Public sector and critical national infrastructure value compliance, SOC skills, and secure identity.

  • Tech startups in Manchester, Cambridge, Bristol have demand for cloud-native and DevSecOps talent.

Suggested 12-Week Learning Path

Weeks 1–3: Security fundamentals + OS/network basicsWeeks 4–6: SOC/incident response + SIEM exposureWeeks 7–8: Cloud security concepts + pen testing basicsWeeks 9–10: DevSecOps + automation scriptingWeeks 11–12: GRC foundations + mock incident report and board summary

FAQs

What is the most in-demand cyber security skill in the UK?Incident response and SOC operations are frequently listed, especially in regulated sectors like finance and government.

Do employers expect cloud security skills?Absolutely. CloudSecOps skills—especially in AWS/Azure—are increasingly demanded.

Is penetration testing required?Often. Many roles require either pentesting knowledge or exposure to vulnerability assessment tools.

Are soft skills essential?Yes. Communication and stakeholder management are consistently cited—especially in leadership-facing security roles.

Final Checklist

  • Headline & About: clear cyber security focus.

  • CV: metrics around response, audit results, automation.

  • Skills section: incident response, cloud security, pen testing, SIEM, DevSecOps, GRC, scripting, communication.

  • Portfolio: tools, reports, dashboards, scripts.

  • Keywords: mirror cyber security job postings in the UK.

Conclusion

To get ahead in UK cyber security roles in 2025, focus on a balanced blend of technical expertise, automation, compliance, and communication. Employers consistently value incident response, cloud security, pentesting, SIEM, DevSecOps, GRC, scripting, and clear stakeholder collaboration. Master these, and you’ll be well aligned with how LinkedIn and Indeed job postings describe the cyber security talent they want today—and will need tomorrow.

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