David is a cybersecurity professional with a strong background in threat detection, research, and malware analysis, currently serving as a Senior SOC Analyst at eSentire. With over three years of hands-on experience, I've honed my expertise in analysing and responding to complex cyber threats, leveraging both SOC and threat research roles to safeguard organizations from advanced persistent threats (APTs).At eSentire, I play a pivotal role in enhancing cybersecurity defenses and maintaining proactive security operations. My previous experience as a Threat Researcher at BlackBerry involved conducting purple teaming exercises, developing and refining EDR rules, and streamlining CI/CD processes to optimize the security of Cylance’s endpoint protection suite. I contributed to Blackberry's Threat Intelligence reports, sharing insights on the latest threat tactics and providing a strategic defense against evolving cyber threats.With a strong foundation in content development from my time at Security Blue Team, I have also created training labs and detailed investigation guides that empower the cybersecurity community with practical knowledge. My work is driven by a commitment to advancing threat detection capabilities and sharing actionable insights with clients and the security community.