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Cybersecurity Consulting

Expert cybersecurity consulting to fortify your defenses and ensure digital compliance.

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GreyCastle Security
Free
Cybersecurity Consulting

GreyCastle Security View GreyCastle Security

GreyCastle Security, now part of DeepSeas, is a premier cybersecurity services provider focused on the practical management of cybersecurity risks. We offer a comprehensive suite of services including compliance, risk assessment, vulnerability management, penetration testing, and incident response tailored for organizations across North America. Our expertise is particularly vital for sectors such as healthcare, higher education, financial services, technology, and critical infrastructure, ensuring their robust defense against evolving threats.

Dedicated Cybersecurity Expertise
Compliance and Risk Management
Vulnerability and Penetration Testing
Greylock Partners
Free
Cybersecurity Consulting

Greylock Partners View Greylock Partners

Greylock Partners is a premier Silicon Valley venture capital firm dedicated to empowering visionary entrepreneurs. We focus on early and growth-stage companies in consumer and enterprise software, as well as internet sectors, backing disruptive innovators who are defining and transforming new markets. Our investment strategy targets companies with the potential to become category leaders by enabling transformative shifts in software applications, cloud/SaaS, data center, management, networking, and security.

Investment in disruptive consumer and enterprise software companies
Focus on market-transforming ventures
Expertise in all enterprise software technology sectors
Grid32
Free
Cybersecurity Consulting

Grid32 View Grid32

Grid32 offers comprehensive independent computer system and physical security audit services tailored to government and corporate clients. Our holistic methodology is designed to deliver enduring improvements to your organization's operational performance and resilience. With a proven track record serving the Department of Defense, Department of Energy, and other global leaders, our seasoned information security experts provide advanced solutions in penetration testing, vulnerability assessments, software code audits, physical security, and counter-surveillance.

Independent Computer System Audits
Physical Security Audits
Penetration Testing
Gridware
Free
Cybersecurity Consulting

Gridware View Gridware

Gridware is a premier cybersecurity consultancy and intelligence firm dedicated to safeguarding organizations through expert advisory and advanced penetration testing. Our seasoned team of cyber defense professionals leverages the capabilities of our Cyber Defence Centre (CDC) to proactively identify vulnerabilities, contain threats, and investigate major data breaches. We are committed to delivering world-class ethical hacking and strategic cybersecurity solutions, ensuring the resilience and integrity of your digital assets.

Specialist Cybersecurity Consulting
Global Cybersecurity Intelligence
Advanced Penetration Testing Services
Griffiss Institute (GI)
Free
Cybersecurity Consulting

Griffiss Institute (GI) View Griffiss Institute (GI)

The Griffiss Institute (GI) serves as a vital nexus, fostering collaboration between private industry, academia, and the Air Force Research Laboratory Information Directorate (AFRL/RI) to forge innovative solutions for pressing cybersecurity challenges. By strategically partnering these entities, the GI cultivates technological advancement within the Upstate New York region, creating a dynamic environment for research, idea generation, and commercialization in information sciences.

Facilitates public-private-academic partnerships
Drives cybersecurity research and development
Promotes technology growth in Upstate New York
Grimm Cyber
Free
Cybersecurity Consulting

Grimm Cyber View Grimm Cyber

GRIMM Cyber fortifies organizations against evolving cyber threats by enhancing the resilience of their systems, networks, and products. Leveraging deep operational experience with advanced threats and critical vulnerabilities, our expert-led team delivers innovative, forward-thinking cybersecurity solutions. We specialize in uncovering security gaps and exposures across defense, national security, critical infrastructure, and financial services, providing actionable insights for complex challenges.

Advanced Threat Intelligence and Analysis
Critical Vulnerability Discovery and Remediation
Cyber Resilience Enhancement
Grindstone Ventures
Free
Cybersecurity Consulting

Grindstone Ventures View Grindstone Ventures

Grindstone Ventures is a female-led post-seed fund specializing in post-seed equity and quasi-equity investments for early-stage innovation-driven companies. We focus on technology ventures with strong intellectual property and demonstrable growth potential, aiming for long-term capital appreciation and sustainable cash yields. Our unique approach, powered by the Grindstone Accelerator, empowers startups with essential knowledge, networks, funding, and market access to achieve exponential growth, primarily within South Africa.

Female-led post-seed investment fund.
Focus on innovation-driven and technology companies.
Investment in early-stage ventures with strong IP.
Grove Group
Free
Cybersecurity Consulting

Grove Group View Grove Group

Grove Group, now part of Integrity360, offers comprehensive cybersecurity and cloud services designed to empower businesses with solutions tailored to their unique operational needs. Leveraging expertise in custom software development and big data analytics, Grove Group delivers advanced cybersecurity solutions to protect your entire digital estate against known and emerging threats, thereby reducing risk, enhancing operational efficiency, and ensuring resilience.

Comprehensive Cybersecurity Solutions
Custom Software Development
Big Data Analytics Expertise
GrrCON
Free
Cybersecurity Consulting

GrrCON View GrrCON

GrrCON is a premier information security and hacking conference meticulously crafted for the Midwest InfoSec community. With a deliberate focus on fostering a dynamic and accessible environment, GrrCON provides an intimate setting of approximately 1,700 attendees, ensuring a unique opportunity for networking, learning, and collaboration. Diverse professionals, from Fortune 500 executives and security researchers to industry practitioners and students, will discover relevant content and engaging experiences tailored to their specific interests within the cybersecurity landscape.

Information Security & Hacking Focus
Intimate Networking Environment (approx. 1,700 attendees)
Diverse Speaker Lineup
Guardea Cyberdefense
Free
Cybersecurity Consulting

Guardea Cyberdefense View Guardea Cyberdefense

Guardea Cyberdefense provides comprehensive IT security project management, mobilizing a network of over 450 specialized experts. We offer a distinctive, performance-driven approach centered on client satisfaction, addressing critical security needs such as technical assistance, risk analysis, compliance, audits, penetration testing, SOC operations, and incident response with a robust 360° strategy.

360° Security Project Management
Network of 450+ Specialized Experts
Technical Assistance & Support
Guardian Angel Cyber
Free
Cybersecurity Consulting

Guardian Angel Cyber View Guardian Angel Cyber

Guardian Angel Cyber provides elite cybersecurity services for discerning individuals and businesses seeking unparalleled protection for their digital assets. We leverage cutting-edge technology and the expertise of seasoned intelligence analysts to deliver comprehensive solutions, from proactive risk mitigation to in-depth threat investigation. Experience a level of luxury service and confidentiality that aligns with your highest standards, ensuring peace of mind in an increasingly complex digital landscape.

Comprehensive Cybersecurity Solutions
Expert Intelligence Analyst Team
Proactive Risk Mitigation
Guardz
Free
Cybersecurity Consulting

Guardz View Guardz

Guardz delivers accessible and effective cybersecurity solutions specifically designed for the needs of small and growing businesses. We eliminate enterprise-grade complexity, offering a simple, efficient, all-in-one platform that rapidly elevates your cyber protection from minimal to comprehensive. With Guardz, you gain proactive business security coupled with affordable cyber insurance coverage, empowering you to operate with confidence.

All-in-one cybersecurity platform
Simplified security management
Enterprise-grade protection made accessible
Guernsey
Free
Cybersecurity Consulting

Guernsey View Guernsey

Guernsey offers comprehensive engineering, architecture, and consulting services, with a specialized focus on cybersecurity and CMMC certification preparation and assessment. Our team of accredited information security experts proactively identifies and mitigates risks, ensuring clients meet stringent regulatory compliance obligations across frameworks like NERC CIP, PCI-DSS, and HIPAA. We provide practical solutions including vulnerability assessments, security monitoring, expert training, and robust incident response planning.

Cybersecurity Consulting
CMMC Certification Preparation
Official CMMC Assessments
Guidehouse
Free
Cybersecurity Consulting

Guidehouse View Guidehouse

Guidehouse is a premier global consultancy specializing in comprehensive management, technology, and risk consulting for public and commercial sectors. Our expert advisors navigate the most complex cybersecurity challenges, offering tailored solutions to fortify information security operations and build resilience against evolving threats. We empower organizations to optimize their cybersecurity posture, ensuring preparedness for current and future technological risks through strategic guidance and advanced solutions.

Executive Cybersecurity Support
Incident Prevention and Response
Cyber Resilience and Business Continuity
Guidepost Solutions
Free
Cybersecurity Consulting

Guidepost Solutions View Guidepost Solutions

Guidepost Solutions offers sophisticated, end-to-end security, investigation, and compliance services tailored for C-suite executives, operational teams, and key individuals. Leveraging a diverse global team of experts, we deliver strategic guidance and practical solutions to navigate complex business challenges, including comprehensive cyber and physical threat mitigation through holistic planning and robust risk management.

Global team of investigators, security consultants, and compliance experts
Comprehensive threat, risk, and vulnerability management
Holistic cyber and physical security planning
Gula Tech Adventures
Free
Cybersecurity Consulting

Gula Tech Adventures View Gula Tech Adventures

Gula Tech Adventures strategically invests in ventures and non-profits dedicated to strengthening national cybersecurity through technology and workforce development. Leveraging over 25 years of operational experience building companies like Tenable Network Security, we actively support cybersecurity entrepreneurs and foster talent pipelines for critical cyber defense roles.

Cybersecurity investment and venture capital
Support for cybersecurity startups and entrepreneurs
Focus on closing the technology and workforce gap
Gulf Business Machines (GBM)
Free
Cybersecurity Consulting

Gulf Business Machines (GBM) View Gulf Business Machines (GBM)

Gulf Business Machines (GBM) is a premier provider of comprehensive digital transformation solutions across the GCC region. Leveraging an extensive portfolio, GBM delivers cutting-edge digital infrastructure, innovative business solutions, robust security frameworks, and expert services designed to empower organizations. With a strategic emphasis on a holistic approach—integrating people, processes, and technology—GBM excels in mitigating security risks and ensuring compliance, from data governance and advanced firewalls to cloud and on-premises application protection.

Comprehensive Digital Infrastructure Solutions
Industry-Leading Digital Business Solutions
Holistic Security Risk Mitigation (People, Process, Technology)
Gulf Computer Services Co (GCSC)
Free
Cybersecurity Consulting

Gulf Computer Services Co (GCSC) View Gulf Computer Services Co (GCSC)

Gulf Computer Services Co. (GCSC) is a premier provider of advanced networking, communication, and cybersecurity solutions in Saudi Arabia. Specializing in protecting emerging industries like Internet Services and Information Technology, GCSC offers comprehensive offensive security services including ethical hacking, penetration testing, and vulnerability assessments. Our expert team equips organizations with cutting-edge strategies and tools to proactively defend against sophisticated cyber threats, ensuring robust data protection and system integrity.

Ethical Hacking & Penetration Testing
Comprehensive Vulnerability Assessments
Proactive Cyber Threat Defense
Gunnison Consulting Group
Free
Cybersecurity Consulting

Gunnison Consulting Group View Gunnison Consulting Group

Gunnison Consulting Group is a trusted partner for the Federal Government, delivering expert IT and cybersecurity consulting services. We specialize in guiding complex projects through the stringent Authority to Operate (ATO) and FedRAMP certification processes, ensuring zero risk for our clients. Our dedication to robust cybersecurity solutions positions us as a premier leader in protecting federal agencies.

Federal Government IT Consulting
Cybersecurity Consulting Services
Authority to Operate (ATO) process leadership
Guy Carpenter
Free
Cybersecurity Consulting

Guy Carpenter View Guy Carpenter

Guy Carpenter is a global leader in risk and reinsurance, providing unparalleled expertise in broking, strategic advisory, and advanced analytics. With decades of experience and pioneering work in cyber liability solutions since 1999, we offer deep market insight and support clients through every stage of product development and reinsurance placement. Leveraging extensive industry relationships, we facilitate the integration of cyber coverage with leading third-party providers and secure robust reinsurance for systemic cyber events.

Pioneering Cyber Liability Solutions Since 1999
Strategic Advisory and Broking Expertise
Industry-Leading Analytics and Insights
GV (Google Ventures)
Free
Cybersecurity Consulting

GV (Google Ventures) View GV (Google Ventures)

GV, formerly Google Ventures, is a leading venture capital firm that empowers visionary founders to build world-changing companies across a spectrum of critical industries including life sciences, healthcare, AI, robotics, transportation, cybersecurity, and agriculture. We invest across all stages, backing bold ideas and the entrepreneurs who can transform and create new markets by pushing the boundaries of what's possible. Our unique approach integrates deep technical expertise from our dedicated engineering and data science teams, working collaboratively with portfolio companies to solve complex challenges and drive technological advancement.

Venture capital funding for innovative companies
Investment across all stages (seed to growth)
Focus on enterprise, life sciences, consumer, and frontier tech
Hack in the Box Security Conference (HitBSecConf)
Free
Cybersecurity Consulting

Hack in the Box Security Conference (HitBSecConf) View Hack in the Box Security Conference (HitBSecConf)

The Hack in the Box Security Conference (HITBSecConf) is a premier global event dedicated to advancing the field of computer security. Renowned for its rigorous two-day training sessions and multi-track conference, HITBSecConf delivers cutting-edge, hardcore technical presentations from leading industry experts. Established as a vital annual gathering, it fosters a dynamic environment for security researchers and professionals worldwide to exchange groundbreaking ideas, discover emerging talent, and celebrate significant contributions to cybersecurity.

Two days of intensive, hands-on training sessions.
Multi-track conference with cutting-edge technical talks.
Presentations by respected global computer security experts.
Hack Miami
Free
Cybersecurity Consulting

Hack Miami View Hack Miami

HackMiami is South Florida's leading hub for recruiting elite cybersecurity talent specializing in vulnerability analysis, penetration testing, and digital forensics. Through regular meetings, hands-on labs, and competitive events, HackMiami fosters a vibrant information security community dedicated to advancing cutting-edge research, developing innovative techniques, and providing valuable networking opportunities for talent acquisition and contracting.

Recruitment of highly skilled hackers
Specialization in vulnerability analysis and penetration testing
Expertise in digital forensics and information security
Hack-X Security
Free
Cybersecurity Consulting

Hack-X Security View Hack-X Security

Hack-X Security delivers advanced IT risk assessment and comprehensive digital security services, establishing a trusted standard for businesses safeguarding critical data against sophisticated cyber-attacks. We specialize in providing leading-edge, tailored penetration testing solutions, ensuring a seamless and industry-specific experience. Our dynamic Hack-X Node platform offers advanced risk and vulnerability management, empowering clients with real-time asset safety monitoring and in-depth visual analysis of potential threats.

Comprehensive IT Risk Assessment
Customized Penetration Testing
Industry-Specific Security Solutions
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