Ezra Hall Email & Phone Number

London, United Kingdom

• Implemented robust email security solutions to safeguard against phishing attacks, malware, and other cyber threats.• Configured and maintained advanced email filtering systems to enhance the organization's overall security posture.• Developed and executed incident response plans to promptly address and mitigate messaging security incidents.• Conducted in-depth analysis of security incidents, identifying root causes, and implementing preventative measures.• Implemented and managed email encryption technologies to secure sensitive communication and maintain data privacy.• Provided expertise in the selection and deployment of encryption solutions based on organizational needs.• Developed and implemented strategies to prevent and mitigate SPAM, phishing, and social engineering attacks.• Stayed abreast of emerging threats and adjusted security protocols accordingly to stay ahead of evolving attack vectors.• Collaborated with IT teams to integrate messaging security measures into overall IT infrastructure and architecture.• Developed and delivered training programs to educate end-users on messaging security best practices.• Implemented campaigns to raise awareness about social engineering threats and enhance the overall security culture.• Assisted in configuring and troubleshooting Mimecast API integrations, including custom integrations, to enhance security workflows and automate processes.• Provided technical support for SIEM integrations such as Microsoft Sentinel and Splunk, enabling comprehensive log analysis and improved threat detection capabilities.

• Prepared, executed, and reported on audit of subset of NIST SP 800-53 cybersecurity controls to include interview, document review, and testing of systems to support compliance audit activities.• Knowledgeable on NIST Cybersecurity Framework and how the Identify, Protect, Detect, Respond, and Recover categories comprise and facilitate an information security program.• Developed concise, tailored cybersecurity awareness content, improving targeted end-user base cyber hygiene.• Developed Just-In-Time cybersecurity awareness content for emerging threats to reduce operational risk to tailored audiences.• Semi-quantitatively analyzed cybersecurity risk using NIST SP 800-30 methodology to identify highest risk weaknesses for a system.• Executed threat modeling exercise to determine higher likelihood threat events to inform cybersecurity risk modeling.• Developed Information Security policy to establish authorized access management and authenticator management for internal and third-party personnel.• Ensured policy documents are aligned with business objectives, implementable by the organization, and practical for compliance by ensuring purpose, scope, authority, and policy statements incorporate operational perspective and constraints.

• Implemented ISO 27001 by developing and executing comprehensive strategies to enhance information security within the organization.• Demonstrated proficiency in the ISO 27000 family of standards, applying in-depth knowledge to drive compliance and ensure robust security practices.• Acquired expertise in various management systems, cultivating a versatile skill set to streamline processes and improve overall organizational efficiency.• Mastered foundational concepts of information security, incorporating principles into daily operations to safeguard sensitive data and mitigate potential threats.• Specialized in Information Security Management Systems (ISMS), implementing and maintaining protocols to fortify the organization's resilience against cyber threats.• Conducted thorough risk assessments to identify vulnerabilities, utilizing a systematic approach to assess potential impacts and likelihoods.• Implemented proactive risk treatment measures by deploying effective security controls, ensuring a resilient and secure environment for critical information assets.

London, United Kingdom

• Manage client relationships by aligning technical solutions with business needs.•Provide strategic guidance and proactive support to maximize technology value.• Oversee client system configurations to meet standards and objectives.•Coordinate regular system reviews and updates for optimal performance.•Maintain technical documentation for efficient troubleshooting and management.•Collaborate with teams and clients to resolve complex technical challenges.•Lead training sessions for smooth technology adoption and minimal disruption.•Conduct root cause analysis to prevent recurring critical issues.

London, United Kingdom

• Diagnosed and resolved complex technical issues for end-users, ensuring minimal downtime.• Implemented efficient troubleshooting methodologies to quickly identify and address IT-related problems.• Provided network support, including configuration, monitoring, and troubleshooting of routers, switches, and firewalls.• Collaborated with cross-functional teams to optimize network infrastructure for improved reliability and performance.• Managed end-to-end software deployment, from installation to user training and support.• Enforced security policies and protocols to safeguard sensitive data and prevent unauthorized access.• Contributed to the development and implementation of IT security measures to meet compliance standards.• Played a key role in ensuring the seamless functioning of IT systems through proactive software and hardware support.