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

Cyber Security Supplier Directory

Our Supplier Directory lists 6,000+ specialist cyber security service providers in 128 countries worldwide. IS YOUR ORGANISATION LISTED?

XYPRO Technology

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

DigitalStakeout

DigitalStakeout enables cyber security professionals to reduce cyber risk to their organization with proactive security solutions, providing immediate improvement in security posture and ROI.

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.

Resecurity, Inc.

Resecurity is a cybersecurity company that delivers a unified platform for endpoint protection, risk management, and cyber threat intelligence.

Cybercrowd

Cybercrowd is a cyber security specialist offering technical services, cyber security assessments, guidance and security thought leadership.

Volatility Foundation

Volatility is an open source memory forensics framework for incident response and malware analysis.

VerSprite

VerSprite is a specialist information security consulting firm. We provide organizations with detection across all their attack surfaces and deliver critical insight into all possible attack methods.

Assystem

Assystem delivers a comprehensive security approach for the industrial and service sectors that integrates physical security systems, industrial cyber-security, functional safety and dependability.

Sothis

Sothis is an information technology services company offering a range of solutions including cybersecurity, managed security services, information governance and compliance.

Cybertonica

Cybertonica is a FinTech company which detects and prevents fraudulent transactions and reduces risk for financial services organisations.

Xilinx

Xilinx is the inventor of the FPGA, programmable SoCs, and now, the ACAP. We are building the Adaptable, Intelligent World.

Resilience Cyber Insurance Solutions

Resilience Cyber Insurance combines insurance expertise with cybersecurity and data talent to deliver clear, effective solutions to protect you for the cyberrisks of today—and tomorrow.

Elisity

Elisity Cognitive Trust is a new security paradigm that combines Zero Trust Network Access and an AI-enabled Software Defined Perimeter.

Cornami

Cornami delivers real-time computing on encrypted data sets, which is vital for data privacy and cloud security.

Digital Security by Design (DSbD)

Digital Security by Design is an initiative supported by the UK government to transform digital technology and create a more resilient, and secure foundation for a safer future.

Bluewave

Bluewave are a strategic IT advisory company that offers businesses a simple and comprehensive way to purchase information technology solutions.

NormCyber

NormCyber provide award-winning cyber security and data protection as a service for midsize organisations.

Centre for Cyber Security Research & Innovation

The Centre for Cyber Security Research & Innovation is Nepal's First Academic Research Institute to focus on understanding the overall Information Security of Nepalese Organizations.

Archer Technologies

Archer helps organizations manage risk in the digital era—uniting stakeholders, integrating technologies and transforming risk into reward.

PingSafe is creating the next-generation cloud security platform powered by attackers' intelligence, providing coverage for vulnerabilities that traditional security solutions would otherwise overlook