Mark Murashko Email & Phone Number

Vilnius, Lt

Vilnius, Lt

Vilnius, Vilniaus, Lithuania

• Provide timely review of security events originating from any source, including managed security services, internal tools, and internal or external reporting.• Investigate security alerts, using SIEM, SOAR and other technologies; collect evidence and work with teams to isolate and/or remediate as necessary.• Communicate and escalate potential incidents to Incident Response team.• Analyze, correlate and action on data from subscription and public cyber intelligence services, develop tactics to combat future threats.• Keep abreast of current security threats, events, technologies, vendors and other aspects of the cyber threat landscape.• Propose changes or enhancements to security posture where appropriate.

Vilnius, Vilniaus, Lithuania

• Provided first level technical support for Barclays bank employees by handling incoming calls and logging call details into the system.• Performed identification and verification of users according to the Barclays information security and privacy policies.• Broke down and evaluated technical issues by using ServiceNow ticketing tool to process and catalog service requests, and to manage incident escalations responsible for ensuring business critical incidents are resolved, maintaining optimal user satisfaction along with Service Level Agreements.• Performed root cause analysis and general troubleshooting of Microsoft Windows OS, Microsoft Office, RSA authentication and Cisco AnyConnect VPN issues.• Used Active Directory Domain Services to manage accounts, Ivanti/AppSense and Citrix Director to maintain virtual desktops, SteelCentral Aternity to monitor the performance of devices, and CSS Autoinvestigator to troubleshoot software deployment related issues along with other internal and external applications.• Took responsibility when necessary for floor manager duties.

• Boot methods implementation, disk partitioning and operating system/application installation• Microsoft 365, Active Directory Domain Services• VPN technologies, cloud and virtualization concepts• Command line, remote access technologies, Windows and Linux system tools• Configuring switching features and E-Mail client protocols• Installing and configuring SNMP, DNS and DHCP servers• Troubleshooting operating systems and network connectivity issues• Identifying different cyber-attacks, social engineering techniques and exploits• Network security protocols, authentication and authorization methods• Cryptographic basic concepts, securing workstations and cloud infrastructure• Enterprise security assessment and incident response tools• Cybersecurity backup and restore strategies, implementing disaster prevention and recovery• Data protection, destruction, and disposal implementation• Organizational risk management, change management and best practices

London, England, United Kingdom

• Delivered multi temperature goods to local convenience stores effectively and efficiently, within timed delivery windows. • Adopted a flexible approach to working patterns as dictated by the needs of the business and customer, reacted to challenges promptly and methodically. • Delivered high standard of customer service. • Ensured all documentation was completed accurately, and that use of any point of delivery technology was used with attention to detail. • Contributed effectively in a team environment.• Adhered to safe working practices to ensure the safety of myself and others at all times. • Complied with all relevant legislation in line with Drivers Hours and Working Time Directive requirements.

Business Administration

Education record

ESOL (English for Speakers of Other Languages) qualification