Current Customer(s)
Market Share (Est.)
Ranking
The top three of Open Systems’s competitors in the Managed Security Services category are AWS Security Hub with 49.35%, Adapt with 4.47%, Optiv with 3.08% market share.
Popular Comparisons
The top three of Open Systems’s competitors in the Managed Security Services category are AWS Security Hub with 49.35%, Adapt with 4.47%, Optiv with 3.08% market share.
Open Systems vs AWS Security Hub
Open Systems vs Adapt
Open Systems vs Optiv
Open Systems vs eSentire
Open Systems vs Hornetsecurity
Open Systems vs SilverSky
Open Systems vs NTT Security
Open Systems vs Sagenet
Around the world in 2026, over 3671 companies have started using Open Systems as Managed Security Services tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| SHRM | 10,000+ | Alexandria | Virginia | United States | |
| Benesse Holdings | 10,000+ | Okayama | Okayama | Japan | |
| IBM | 10,000+ | Armonk | New York | United States | |
| Project Management Institute | 10,000+ | Borger | Texas | United States | |
| Workday | 10,000+ | Pleasanton | California | United States | |
| Credit Karma | 10,000+ | Oakland | California | United States | |
| Children's Hospital Of Philadelphia | 10,000+ | Philadelphia | Pennsylvania | United States | |
| Easyjet Plc | 10,000+ | Luton | England | United Kingdom | |
| Red Hat | 10,000+ | Raleigh | North Carolina | United States | |
| CrowdStrike | 5,000 - 9,999 | Austin | Texas | United States |
The top three products and services offering customers that use Open Systems for Managed Security Services are Marketing (12), Software Development (10), Software (9).
Customers
The majority of Open Systems's customers for the managed-security-services category fall in the company size of 0 - 9 employees (1939 companies), 20 - 49 employees (778 companies), 10 - 19 employees (294 companies).
Employee Size
The top three geographies of Open Systems for managed-security-services are the United States with 740(30.59%), India with 359(14.84%), Brazil with 237(9.80%) customers respectively.
Customers
Find answers to the most often asked questions by users.
Who are the top Open Systems competitors?
Open Systems’s Top competitors in the managed-security-services category are AWS Security Hub, Adapt, Optiv. You can view a full list of Open Systems competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Open Systems and 40,000 other technologies on the internet. You can also compare Open Systems and its feature with top competitors here : Open Systems vs AWS Security Hub Open Systems vs Adapt Open Systems vs Optiv.
What is Open Systems customer distribution based on company size?
What is Open Systems market share in the managed-security-services?
What are the top countries that use Open Systems?
What are the top industries that use Open Systems?
Close deals faster by understanding your clients well. Know their technology stack, contract renewal date, top decision-makers, hiring trends, and top company news in one place.
Get a demo