Gray Tier Technologies (GTT)

Gray Tier is an advanced security company that focuses on developing technical solutions to the toughest cyber security challenges facing our customers.

Gray Tier’s portfolio of capabilities includes: Cyber Strategy, Cloud & Network Security, Digital Forensics & Incident Response, Zero Trust Architecture, DevSecOps, Offensive and Defensive Cybersecurity, and SOC-as-a-Service (SOCaaS).

Gray Tier was acquired by TDI (Tetrad Digital Integrity) in 2025.

Contact Information

Alexandria, Virginia USA

Map

Visit Website

vCard

Print Email Friend Add to Favorites Report Listing

Categories:
Cloud Security
Consulting Services
Digital Forensics
Incident Response
Network Security & SecOps
Pentesting & Security Assessments

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

Sign Up: Cyber Security Intelligence Newsletter

Directory of Suppliers

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.

Alvacomm

Alvacomm offers holistic VIP cybersecurity services, providing comprehensive protection against cyber threats. Our solutions include risk assessment, threat detection, incident response.

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.

Practice Labs

Practice Labs is an IT competency hub, where live-lab environments give access to real equipment for hands-on practice of essential cybersecurity skills.

TÜV SÜD Academy UK

TÜV SÜD offers expert-led cybersecurity training to help organisations safeguard their operations and data.

HANDD Business Solutions

HANDD are independent specialists in data protection with expertise at every stage of the Protect, Detect and Respond cycle, from consultancy and design, right through to installation.

evoila

evoila GmbH is one of the leading providers in consulting, analysis, implementation and management of cloud infrastructure.

GeoLang

GeoLang’s Ascema platform protects sensitive information at the content level by identifying, classifying and tracking data across the corporate infrastructure.

Bavarian IT Security Cluster

The Bavarian IT Security Cluster works to build regional IT security competencies and increase the competitiveness and market opportunities of its member companies.

Cyber Security Centre - Daffodil International University

Cyber Security Centre, DIU is a non-profitable organization which is focused on applied research in cyber security.

TUV Rheinland Group

TUV Rheinland Group is a testing services company with nearly 145 years of technological experience. We help you to protect your systems comprehensively, proactively and permanently.

Optra Security

Optra Security specializes in information security with a focus on Application Security.

Sectra Communications

Sectra successfully develops and sells cutting-edge solutions in the expanding niche segments of medical IT and cybersecurity.

Siemens

Siemens Industrial Security Services provide solutions for cybersecurity in automation environments based on the recommendations of the international standard IEC 62443.

Informatics International

Informatics is a leading ICT provider in Sri Lanka, providing cutting-edge software & infrastructure solutions and services including cyber security.

Action1

Action1 is a Cloud-based lightweight endpoint security platform that discovers all of your endpoints in seconds and allows you to retrieve live security information from the entire network.

Kape Technologies

Kape Technologies is a cybersecurity company focused on helping consumers around the world have a better digital experience with greater privacy and protection.

ClearShark

Since 2001, ClearShark has been a go-to adviser in the U.S. Public Sector for creating customized and integrated solutions for the most secure of networks.

CV-Library

Start your job search with 216,931 live UK vacancies on award-winning CV-Library. Register your CV and find local jobs near you today!

Red Helix

Red Helix (formerly Phoenix Datacom) is a market leader in network performance and cyber security.

Synechron

Synechron is a leading global digital consulting firm, providing innovative technology solutions for business.