Threat Researcher - Behaviour Protection

Abingdon, GB, OX14 3YP

Sophos Labs

Sophos Overview – Cybersecurity Evolved

Sophos evolves to meet every new challenge, protecting more than 400,000 organizations of all sizes in more than 150 countries from today’s most advanced cyberthreats. Powered by SophosLabs, our cloud-native and AI-enhanced solutions are able to adapt and evolve to secure endpoints and networks against never-before-seen cybercriminal tactics and techniques. Managed through our award-winning, cloud-based platform, Sophos Central, our best-of-breed products work together through our unique Synchronized Security system to share threat intelligence and respond to evolving threats. The Sophos suite of products secures networks and endpoints against automated and active-adversary breaches, ransomware, malware, exploits, data exfiltration, phishing, and more.



Threat Researcher – Behaviour Protection


We have a fantastic opportunity here at SophosLabs for a Threat Researcher (Behaviour protection) to join our global Behaviour Protection Team. Our highly skilled team of security experts deliver proactive behaviour-based protection against Windows malware.


You will be passionate about threat detection and take a keen interest in emerging threats and the ways and means to protect organisations from the associated risks.


Our team are both recognised and active members in the wider threat research community. Take a look at some of their blogs / publications via the following links –









As a member of the Behaviour Protection Team, you will be involved in and take the lead in:


  • Reverse engineering and debugging malware, understanding the complete end-to-end kill chain, from attack vector to persistent payload
  • Implementing context-aware & behaviour-based detection to provide multiple layers of protection from attacks
  • Data mining to discover new threats and opportunities improve protection
  • Working with product teams to adapt to the rapidly evolving threat landscape


Key responsibilities:


  • Develop behavioural & memory-based detection for prevalent malware families
  • Produce in-depth analysis of malware families and malicious techniques
  • Consult with development teams to enhance protection features in Sophos products
  • Publish blog articles and/or whitepapers on threat research
  • Support front-line customer escalations within a local on-call rotation


Skills & experience required:


The successful candidate has extensive knowledge of Windows internals, is fluent in assembly, and has a knack for getting to the bottom of any issue. You enjoy thinking creatively; combining your deep technical knowledge, your tenacity for innovation, and your can-do attitude to solve complex and challenging problems on a daily basis.


  • Bachelor degree in Computer Software (Computer Security preferable)
  • Experience in computer security field/role
  • Proficient in Windows debugging of hostile code
  • Detailed knowledge of Windows operating system internals
  • Excellent grasp of compilers & disassembly
  • Reverse engineering using IDA Pro


In return we offer a competitive salary and benefits package and of course the opportunity to join a dynamic and progressive team.


Equal Opportunities & Privacy

Sophos is committed to equality opportunity in all areas of its work. All qualified applicants will be treated in a fair and equal manner and in accordance with the law regardless of gender, marital status, race, religion, colour, age, disability or sexual orientation. If you choose to explore this opportunity, and subsequently share your CV or other personal details with Sophos, these details will be held by Sophos for 12 months in accordance with our Privacy Policy and used by our recruitment team to contact you regarding this or other relevant opportunities at Sophos.  If you would like Sophos to delete or update your details at any time, please follow the steps set out in the Privacy Policy describing your individual rights.  If you have any questions about Sophos’ data protection practices, please contact dataprotection@sophos.com.

At Sophos, we want every organization to be protected by innovative, next-generation IT security, even those who don't have a huge IT staff. We protect organizations of all sizes, all around the world by making enterprise-grade security that is simple to deploy, manage, and use. It is our passion, and something we are truly proud of.

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