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Cyber Security Jobs at Newly Funded UK Start-ups: Q3 2025 Investment Tracker
Cyber security is no longer just a topic for tech-savvy professionalsâitâs an essential pillar of every modern organisation. From protecting sensitive customer data to thwarting state-sponsored attacks, cyber security teams play a crucial role in safeguarding digital infrastructures across all sectors. In the UK, cyber security innovation is thriving, fuelled by a fertile mix of venture capital, government backing, and an ever-growing pool of talented specialists. Now, in the third quarter of 2025, weâve seen a fresh influx of funding for cyber security start-ups that are poised to shape the industryâs future. This Q3 2025 Investment Tracker highlights newly funded UK-based cyber security start-ups, their core offerings, andâmost importantlyâthe wide range of job opportunities theyâre creating. Whether youâre a veteran security analyst, a pen tester, or a newcomer eager to explore the defensive side of tech, these start-ups are actively seeking professionals to help drive their next phase of growth. Weâll also guide you through the essential skills in demand, strategies to secure a role, and how to leverage CyberSecurityJobs.tech to fast-track your job search.

Portfolio Projects That Get You Hired for Cyber Security Jobs (With Real GitHub Examples)
With rising cyber threats and increasingly sophisticated attacks, cyber security has become a critical priority for organisations worldwide. From penetration testers (pentesters) and SOC analysts to cloud security engineers and threat intelligence specialists, the demand for skilled cyber security professionals continues to surge. But how do you stand out in a growing field? Alongside your CV, an impressive cyber security portfolio can be the distinguishing factor that convinces employers youâre the right fit. In this comprehensive guide, youâll discover: Why a cyber security portfolio is essential for job seekers in this domain. How to align portfolio projects with different cyber security career paths. Real GitHub examples that demonstrate best practices in security-focused projects. Actionable project ideas you can start today, from penetration testing labs to blue-team detection pipelines. Best practices for organising your repos and presenting your work so hiring managers can instantly see your impact. When youâre ready to pursue your next opportunity, remember to upload your CV on CyberSecurityJobs.tech. Our specialised platform connects talented security professionals with employers who need your expertiseâexactly what your portfolio will showcase.

Cyber Security Job Interview WarmâUp: 30 Real Coding & SystemâDesign Questions
The need for skilled cyber security professionals has never been greater. As organisations rapidly digitise their operations and store increasing amounts of sensitive data online, cyber threats loom largeâranging from sophisticated ransomware attacks to insider threats and stateâsponsored espionage. Against this backdrop, cyber security jobs remain some of the most inâdemand and missionâcritical roles on the market. If youâre preparing for a cyber security interview, expect to be tested on a broad spectrum of topicsâfrom secure coding and incident response to network security architecture and compliance standards. In many cases, companies also include problemâsolving exercises and system design scenarios to gauge how well you can apply theoretical knowledge to realâworld threats. To help you ace these assessments, weâve compiled 30 real coding & systemâdesign questions you might encounter. Each reflects a key area of cyber securityâwhether itâs encryption and key management, threat modelling, or designing a zeroâtrust network. Along the way, weâll offer insights and best practices so you can stand out from the crowd. If youâre on the lookout for exciting cyber security roles in the UK, head to www.cybersecurityjobs.tech. There, youâll discover a range of positionsâcovering everything from penetration testing and threat intelligence to compliance management and security operations. Letâs dive into the essentials of interview readiness.