Zachary Zbranak

About Zachary Zbranak

Zachary Zbranak has more than seven years of professional experience as a Threat Intelligence Analyst and private Threat Intelligence Contractor. He is a SANS-certified Threat Intelligence Analyst specializing in North Korean advanced persistent threats (APTs), network attacks, and trend reporting.

His responsibilities include establishing a network of intelligence sources, both proprietary and open source (OSINT), writing and editing network detection rules based on collected data, and generating actionable intelligence reporting for security operations center (SOC) analysts, senior managers, and government cybersecurity organizations.

In 2024, after working for a few companies, Zbranak founded Laser Tiger Security LLC and is also writing a book on North Korean cyberattacks.

His Technical Skills

Zbranak has a working knowledge of various computer languages, including Python, Java, C++, C#, R, and Microsoft Visual Basic. His skills include using incident-response software Splunk, YARA, Snort, i2 Analyst Notebook, and Wireshark and intelligence platforms ThreatConnect, FireEye, Flashpoint, Recorded Future, and Intel471.

Zbranak’s Professional Career

Before starting his own company, Zbranak worked for Recorded Future for a few years as a Team Lead/Senior Threat Intelligence Analyst, managing a globally distributed team of eight intelligence analysts. He also delivered regular and bespoke reporting for over 65 clients, including daily briefings, long-term trend analysis, and executive briefings across multiple industry verticals and global regions. The total value of reports delivered was about $12 million.

Additionally, Zachary Zbranak scoped, researched, analyzed, and wrote original tailored intelligence for clients with audiences ranging from highly technical security professionals to C-suite level executives. He reviewed analyses performed by other senior and junior analysts before client delivery. He created original research highlighting cybersecurity trends across Recorded Future’s internal modules and demonstrated the value added for potential clients that these modules provide.

Zbranak worked with internal stakeholders to create automation and documented workflows to increase the efficiency of team processes. He also mentored junior analysts on intelligence collection, aggregation, and the production of finished intelligence products.

While at Recorded Future, Zbranak was recognized for his work with an employee of the quarter award.