Cybersecurity Services

Penetration Testing

Penetration Testing

Penetration Testing simulates real-world attacks to identify vulnerabilities in your systems before malicious actors can exploit them. By uncovering weaknesses, our experts provide actionable insights to strengthen your defenses and enhance your overall security posture.

Managed Security Services

Managed Security Services

Continuous monitoring, threat detection, and rapid response that protect your organization from cyber threats. With expert management of your security infrastructure, you can focus on your core business while we safeguard your digital assets.

Incident Response & Management

Incident Response & Management

Take swift and effective action when a security breach occurs, minimizing damage and restoring operations quickly. Our team of experts is available 24/7 to guide you through the containment, remediation, and recovery processes.

Virtual CISO

Virtual CISO

A Virtual Chief Information Security Officer (CISO) offers expert cybersecurity leadership and strategic guidance tailored to your organization's needs, without the cost of a full-time executive. Our vCISO services help you develop, implement, and manage a robust security program that aligns with your business goals.

Security Training & Awareness

Security Training & Awareness

Educate your employees on recognizing and responding to cyber threats, reducing the risk of human error leading to security incidents. By fostering a culture of security-conscious behavior, we help protect your organization from both internal and external threats.

Cyber Investigation

Cyber Investigation

Uncover the source and scope of cyber incidents, including data breaches, fraud, and unauthorized access. Our forensic experts analyze and document findings to support legal action and help prevent future attacks.

Governance, Risk, & Compliance

Governance, Risk, & Compliance

Identify gaps and align your operations with regulatory requirements, industry standards, and internal policies. We provide a comprehensive framework for managing risks and ensuring compliance, safeguarding your organization’s reputation and operations.

Reputation Management

Reputation Management

Your organization’s reputation is more vulnerable than ever. A single data leak or social media breach can tarnish your brand and erode customer trust. Cyber Reputation Management is crucial for safeguarding your organization’s image, ensuring that potential threats are identified and neutralized before they can cause damage.

Our team is ready to help take your cybersecurity to the next level.
Eric Vanderburg

Eric Vanderburg

President

Eric Vanderburg is a visionary leader with decades of experience in cybersecurity. He has worked with global clients, securing complex enterprise systems, handling cyber incidents, and functioning as a virtual CISO for businesses. Vanderburg is cyber renaissance man. His experience includes being a licensed private investigator, expert witness, professor, and public speaker. He is sought out for his insight on cybersecurity, privacy, data protection, and storage and has published books on storage networking and cloud computing with McGraw Hill. He taught cybersecurity at CSU Law, serves on various non-profit boards, and coaches chess. Eric is passionate about sharing cybersecurity and technology news, insights and best practices. He regularly presents on security topics and publishes insightful articles.

Christopher Kolezynski

Chief Penetration Tester

Christopher Kolezynski Esq., LPT(Master), CEH(Master) graduated from CSU College of Law in 2018 with a concentration in Cybersecurity and Data Privacy Law. During this time, Christopher was published in the Journal of Law and Cyberwarfare for his work on interagency rule making and V2V technology. He believes in a manual and holistic approach to penetration testing that covers a wide range of attack surfaces and vectors. enabling clients to improve their security posture better and understand the full impact of exploitation. Part time Christopher is honored to serve as a City Councilman in Parma Heights. Hobbies include trail/ultra running, martial arts, and weightlifting.

Mike Mercer

Cybersecurity Analyst & Cyber Ops Lead

Mike is the cornerstone of Nexus’s cybersecurity operations, playing a critical role in ensuring the security and integrity of our systems and those of our clients. He is a driving force behind numerous key projects, contributing his expertise in vulnerability assessments, penetration testing, security awareness, data collection, cryptographic analysis, network monitoring, and incident response. Mike’s deep understanding of cybersecurity frameworks has been instrumental in the development and implementation of policies and procedures aligned with major security regulations, including HIPAA, PCI DSS, NIST 800-53, GDPR, and ISO 27001. With a sharp eye for detail and a strategic mindset, Mike has been pivotal in resolving complex security challenges for a wide range of clients. He is also an avid outdoorsman and Eagle Scout. When not experimenting with new technology, Mike enjoys grilling.

Cybersecurity Thought Leadership

Critical Metaverse Privacy Concerns

The Metaverse, a concept born out of science fiction and gradually becoming more commonplace, is a virtual space that blurs the boundaries between the physical and digital worlds. This transformative evolution of the Internet promises Read more…

What is Penetration Testing?

In today’s digital landscape, cybersecurity needs to be prioritized by businesses of all sizes, including small-to-mid-sized businesses (SMBs). As organizations rely heavily on technology to drive their operations, they have become increasingly vulnerable to cyber Read more…

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4500 Rockside Rd, Ste 440
Independence, OH 44131,

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(216) 505-1748

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