
Cyber Security Jobs at Newly Funded UK Start-ups: Q3 2025 Investment Tracker
Cyber security is no longer just a topic for tech-savvy professionals—it’s 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, we’ve seen a fresh influx of funding for cyber security start-ups that are poised to shape the industry’s future. This Q3 2025 Investment Tracker highlights newly funded UK-based cyber security start-ups, their core offerings, and—most importantly—the wide range of job opportunities they’re creating. Whether you’re 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. We’ll 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.