Charles Johnston

Charles Johnston

Senior Network Security Analyst @ Pinnacle Group

About Charles Johnston

Charles Johnston is a Senior Network Security Analyst at Pinnacle Technical Resources, with a background in cybersecurity and emergency services. He has held various roles in the U.S. Army and IBM, focusing on threat response and network security.

Work at Pinnacle Technical Resources

Charles Johnston has been employed at Pinnacle Technical Resources as a Senior Network Security Analyst since 2019. In this role, he focuses on network security measures to protect organizational assets. His responsibilities include monitoring network traffic and identifying potential security threats. Johnston's expertise contributes to enhancing the overall security posture of the organization.

Previous Experience at IBM

Before joining Pinnacle Technical Resources, Charles Johnston worked at IBM in various roles. He served as a Threat and Incident Response Architect and Engineer for 11 months in 2018-2019 in New York. He also held the position of Cyber Security Threat Engineer and Architect for 3 months in 2018. His work involved analyzing threats and implementing security measures to mitigate risks.

Military Background and Roles

Charles Johnston has a significant background in the U.S. Army, where he held various positions. He served as an Emergency Services Operations Manager from 2015 to 2018 in Arlington, Virginia. Prior to that, he was a Senior Instructor at the Explosive Ordnance Training Academy from 2011 to 2015. His military experience includes managing the Explosive Ordnance Division from 2009 to 2011.

Education and Certifications

Charles Johnston has pursued extensive education in cybersecurity. He studied at the SANS Technology Institute, where he earned a Graduate Certificate in 2020 and a Master of Science degree from 2020 to 2023. Additionally, he obtained a Bachelor of Science degree from the University of Maryland Global Campus from 2013 to 2018 and an Associate of Science degree from American Military University from 2008 to 2013.

Technical Skills and Contributions

In his professional roles, Charles Johnston has demonstrated technical proficiency in network security. He performed deep dive analysis of internet-facing network traffic to detect malicious activity. He implemented a local sandbox for malware and phishing email analysis at the Texas Department of Information Resources Network Security Operations Center. Johnston has utilized tools such as Trend Micro IPS, FireEye MDS, and RSA NetWitness to enhance network protection.

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