GreyCastle Security

GreyCastle Security is a leading cybersecurity services provider dedicated exclusively to cybersecurity and the practical management of cybersecurity risks.

GreyCastle Security provides Compliance, Risk Assessment, Awareness, Vulnerability Assessment, Penetration Testing, and Incident Response services to businesses throughout North America.

GreyCastle Security specializes in cybersecurity for healthcare, higher education, financial services, technology and critical infrastructure.

GreyCastle Security was acquired by DeepSeas in 2023.

Contact Information

Troy, New York USA

Map

Phone: +1 (518) 274-7233

Send Message

Visit Website

vCard

Print Email Friend Add to Favorites Report Listing

Categories:
Consulting Services
Governance, Risk & Compliance
Incident Response
Pentesting & Security Assessments

Real Attacks. Real Tools. Real Scenarios.
Schedule a demo

Training that transforms behaviours

Sign Up: Cyber Security Intelligence Newsletter

Directory of Suppliers

Clayden Law

Clayden Law advise global businesses that buy and sell technology products and services. We are experts in information technology, data privacy and cybersecurity law.

Jooble

Jooble is a job search aggregator operating in 71 countries worldwide. We simplify the job search process by displaying active job ads from major job boards and career sites across the internet.

XYPRO Technology

XYPRO is the market leader in HPE Non-Stop Security, Risk Management and Compliance.

LockLizard

Locklizard provides PDF DRM software that protects PDF documents from unauthorized access and misuse. Share and sell documents securely - prevent document leakage, sharing and piracy.

ZenGRC

ZenGRC - the first, easy-to-use, enterprise-grade information security solution for compliance and risk management - offers businesses efficient control tracking, testing, and enforcement.

CyberDefenses

CyberDefenses services combine best-in-class cybersecurity oversight, managed services and training to help our clients truly address their cybersecurity challenges.

Resilient Information Systems Security (RISS)

RISS is a research group is in the Department of Computing at Imperial College London.

CionSystems

CionSystems provides identity, access and authentication solutions to improve security and streamline IT infrastructure management.

Uniken

Uniken REL-ID is a safe, simple, and scalable security platform that tightly integrates your identity, authentication, and channel security.

Atomicorp

Atomicorp, the leader in Secure Linux, is a developer of solutions for the protection and support of cloud, virtual, shared, and dedicated web hosting environments.

Halcyon Knights

Halcyon Knights is a specialist executive search and IT recruitment agency in the APAC region. Areas of specialisation include cybersecurity.

SparkLabs Cyber + Blockchain

SparkLabs Cyber + Blockchain accelerator is located in Washington D.C. which is one of the world's top cybersecurity ecosystems.

Iowa Cyber Hub

Iowa Cyber Hub is a cybersecurity education partnership between Iowa State University and Des Moines Area Community College.

OnDefend

OnDefend delivers information security solutions that improve overall security posture, reduce risks and defend against continually evolving and persistent cyber adversaries.

Arkphire

Arkphire provide solutions across every aspect of IT to help your business perform better.

DeNexus

DeNexus is the leading provider of cyber risk modeling for industrial networks. Our Mission is to build the Global Standard for Industrial Cyber Risk Quantification.

Buchanan Technologies

Buchanan Technologies is a leading IT consulting and outsourcing services firm. Our methodology transforms everyday technology investments into streamlined, secure and scalable solutions.

Utimaco

UTIMACO develops on-premises and cloud-based hardware security modules, solutions for key management, data protection and identity management as well as data intelligence solutions.

Modern Networks

Modern Networks is a leading provider of IT managed services to the UK’s commercial property sector and medium sized enterprises.

Reach Security

Reach is the first generative AI platform purpose-built to empower enterprise security teams. With Reach, organizations measure, manage, and improve their enterprise security posture at scale.

Graphiant

Graphiant’s Data Assurance service gives businesses end-to-end control and visibility into how data travels throughout the entire business network.