Welcome.
Greysys LLC is a small information security focused research and development company based in Maryland. We offer an array of cyber-focused services to both public and private sector agencies and companies with advanced cyber security needs.
Please get in touch if you want to find out more.
Expertise
Our engineers have been advancing the art and science of computer security for their entire careers. Our customers, projects, and solutions have afforded us extensive experience in both offensive and defensive tactics, techniques, and procedures.
Dedication
At Greysys, our customer's mission is our mission. Our engineers maintain focus on the needs of your organization and leverage their experience to deliver custom solutions to ensure success.
Innovation
Hard challenges and technical problems in cyber security are what drive us. Whether it is breaking or building, our team has fielded operationally proven solutions for many challenges faced in today's fast paced digital networks.
Greysys provides expert guidance and critical intelligence to defend against the
sophisticated adversary. Our services include host and network forensics with attack
reconstruction, intrusion and malware analysis, threat modeling, defensive analytics,
and effective mitigation strategies.
Our engineers share a passion for finding and analyzing vulnerabilities. We have experience
in software reverse engineering, source code analysis, fuzzing, analyzing and tracing program
behavior, in order to discover and accurately evaluate the exploitability of software and system
vulnerabilities.
Our defensive services include protecting software/IP through anti-reversing and other code
protections, comprehensive code review for security flaws, computer and network security
assessment, penetration testing, and red teaming.
We have experience delivering operationally ready solutions and supporting efforts through the
full lifecycle of development. Our engineers are subject matter experts in the languages they
work in and operating systems they work on. Secure development practices protect the investment
made in our delivered products.
Let us help your organization meet your mission needs. Greysys has experience
doing groundbreaking research, rapid prototyping, and proof of concept development for many
complex challenges faced in unique network configurations. Innovating and inventing are
what drive us.
We offer custom training in our areas of expertise. Training areas include Microsoft
Windows system & kernel development and debugging, vulnerability analysis, penetration
testing, reverse engineering and more. Use the