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Yaroslav Zaritskyi
Cybersecurity Analyst

CONTACTS
Email: [open contact info](look above in the "contact info" section)
Phone: [open contact info](look above in the "contact info" section)
LinkedIn: [open contact info](look above in the "contact info" section)

ABOUT ME
I am a 24-year-old cybersecurity analyst from Ukraine with 5+ years of
commercial experience. I’m a self-motivated IT professional with knowledge of
Incident Response, Automation, Networking, Operating Systems, and Cloud
technologies, as well as skills and the ability to write clean and productive code.
I seek greater responsibility as a Cybersecurity Analyst to move my career
forward. The main objectives I can outline are:
●​ Gaining experience by being involved in a wide range of information
technologies projects (workshops, certifications, etc.);
●​ Self-development in the cybersecurity fields (Automation, Incident Response,
Digital Forensics, etc.);
●​ Decent pay.

EXPERIENCE
October 2021 – Present: 303-TEAM
October 2021 – Present: SOC Analyst
Responsibilities:
●​ Threat Hunting using SIEM tools, creation of dashboards, and event
correlation rules based on clients' needs;
●​ Creation of Cybersecurity Playbooks based on NIST CSF, NIST Special
Publication 800-61 for security use cases based on O365, network
security, and syslog events;
●​ Automation of security processes and daily analysts' duties using
programming script languages and SOAR, integration of security
solutions with custom clients' systems;
●​ Implementation of required processes for working with TheHive/Cortex,
administration of TheHive SIRP, creation/implementation of Cortex
Analyzers/Responders to advance IoC enrichment capabilities;
●​ Static and dynamic file analysis (hash analysis, Remnux tools, OLE tools,
PDF parsers, etc.)​
November 2020 – September 2021: Hightower Security
January 2020 – September 2021: Junior SOC Analyst
November 2020 – December 2020: Trainee SOC Analyst
Responsibilities:
●​ Monitoring Cloud Systems and Incidents Responding using SIEM, SOAR,
and SIRP tools;
●​ Implementing Use Cases, Automation, and Remediation processes;
●​ Establishing and implementing security compliance requirements for
AWS assets;
●​ Communicating with the Customers and responding to IT Security
questions.

October 2019 – January 2020: Underdefense
Interned at a cybersecurity company.

EDUCATION
2021-2023
The Master’s degree in «Cybersecurity: Administration of cybersecurity
systems».
Diploma paper: Implementation of the log analyzer based on Machine Learning
algorithms.
2017-2021
The Bachelor’s degree in «Cybersecurity».
Diploma paper: Detection of attacks on cloud infrastructure using SIEM
systems.

LANGUAGES
●​ Ukrainian – native speaker;
●​ English – B2-C1 (EF SET 70/100).