Currently an Extern @Hydroficient

Graduate student focused on IoT cyber defense

Master's candidate at CUNY John Jay who completed an IoT cyber defense externship to gain hands-on security experience.

Work samples

A collection of work from my Hydroficient IoT Cyber Defense externship and academic projects that show practical steps I took to learn IoT security.

Cyber Threat Intelligence Final Project
Cyber Threat Intelligence Final Project
Delivered a 15-minute live threat intelligence briefing on North Korea's Kimsuky intrusion set to an industry panel including professionals from Mandiant, BlackRock, Filigran, and GhostEye; Analyzed adversary TTPs, attack flow divergences, and victimology using the MITRE ATT&CK framework, OSINT, and Mandiant threat reports to establish threat assessments with formal confidence and likelihood ratings; Translated threat actor intelligence into actionable defensive recommendations, providing SOC teams with specific indicators, detection rules, or mitigation strategies to proactively harden security postures.
MITRE ATT&CK frameworkOSINTMandiant threat reports
End-to-End Encrypted Chat Application
End-to-End Encrypted Chat Application
Developed a Python-based E2EE chat tool utilizing AES-GCM encryption and ECDH key exchange to ensure per-session forward secrecy, server blindness, and data integrity; Analyzed potential adversary capabilities, such as Man-in-the-Middle (MitM) attacks, to inform the implementation of Ed25519 digital signatures and TOFU protocols, effectively mitigating risks of message tampering and identity impersonation.
PythonAES-GCMECDHEd25519TOFU

About me

Master's candidate at CUNY John Jay who completed an IoT cyber defense externship to gain hands-on security experience.

I am Isabelle Ritter, a graduate student at CUNY John Jay College of Criminal Justice pursuing a masters degree. I have limited professional experience and I completed the Hydroficient IoT Cyber Defense externship to build practical skills in IoT security.

Externships

Hydroficient IoT Cyber Defense Externship

Hydroficient

Experience

Waitress/Bartender

Bourbon Street · June 2024 - Present

Part-Time Office Assistant- Property Tax Law Office

Lawrence J. Berger P.C. · September 2023 - January 2024

Summer Immersion Program - Intern

Girls Who Code · July 2018 – August 2018

Education

CUNY John Jay College of Criminal Justice

Master of Science in Digital Forensics & Cybersecurity · Class of 2027

Pace University, Lubin School of Business

Bachelor of Business Administration (BBA), Business Management, minor in Computer Science · Class of 2024

Skills

IoT security (externship experience)Cyber defense fundamentalsAcademic research and courseworkProblem solvingGraduate-level study

Back to work

Cyber Threat Intelligence Final Project

Delivered a 15-minute live threat intelligence briefing on North Korea's Kimsuky intrusion set to an industry panel including professionals from Mandiant, BlackRock, Filigran, and GhostEye; Analyzed adversary TTPs, attack flow divergences, and victimology using the MITRE ATT&CK framework, OSINT, and Mandiant threat reports to establish threat assessments with formal confidence and likelihood ratings; Translated threat actor intelligence into actionable defensive recommendations, providing SOC teams with specific indicators, detection rules, or mitigation strategies to proactively harden security postures.

MITRE ATT&CK frameworkOSINTMandiant threat reports

View all work

Back to work

End-to-End Encrypted Chat Application

Developed a Python-based E2EE chat tool utilizing AES-GCM encryption and ECDH key exchange to ensure per-session forward secrecy, server blindness, and data integrity; Analyzed potential adversary capabilities, such as Man-in-the-Middle (MitM) attacks, to inform the implementation of Ed25519 digital signatures and TOFU protocols, effectively mitigating risks of message tampering and identity impersonation.

PythonAES-GCMECDHEd25519TOFU

View all work