About tpayn013

My name is Tonisha Payne, and I am a Cybersecurity student at Old Dominion University. Before beginning my degree, I completed a Cybersecurity & IT Certificate program at Virginia Commonwealth University, where I gained hands-on experience in risk assessment, vulnerability management, and digital forensics. In addition to my studies, I work as a Security Analyst, where I help organizations protect sensitive data and strengthen their security posture. This ePortfolio highlights my academic growth, projects, and reflections as I continue developing both as a student and a professional in the field of cybersecurity.

SCADA Systems and Critical Infrastructure Security

Supervisory Control and Data Acquisition (SCADA) systems are essential to managing today’s infrastructure (Inductive Automation, n.d.), including power plants, water systems, and transportation. They use sensors, controllers, and network communications to let operators monitor and control equipment remotely. While this Continue reading SCADA Systems and Critical Infrastructure Security

The CIA Triad: Confidentiality, Integrity, and Availability

Introduction The CIA Triad Confidentiality, Integrity, and Availability, is a foundational security model in cybersecurity. It guides organizations in protecting sensitive information while ensuring that systems remain reliable and accessible. According to Chai (2022), the CIA Triad is one of Continue reading The CIA Triad: Confidentiality, Integrity, and Availability