Fully managed or co-managed IT
FunctionOne can run your IT fully or work beside your in-house IT team.
About FunctionOne
FunctionOne is Function One Systems, Inc., a managed service provider for IT and cybersecurity that has worked with business clients since 1992. The company opened at 6216 Thompson Road in Syracuse, New York, and now has a second office in Tampa, Florida. FunctionOne works with established mid-size and large organizations that have outgrown a help desk and have staff across several offices.

FunctionOne has worked with business clients since 1992, when Function One Systems, Inc. opened at 6216 Thompson Road in Syracuse, New York. Over the years, we grew into IT consulting, managed services and custom software for a wide range of industries. Today, FunctionOne is a managed service provider for IT and cybersecurity.
Our Syracuse office has been on Thompson Road since 1992, and our second office is now open at 401 East Jackson Street in Tampa, Florida. Both offices use the same phone number for now: 315-437-6714. From Syracuse and Tampa, we work with organizations that have staff across several offices. Scott Ruston is President of FunctionOne.
Leaders who report to a board, insurer, auditor or parent company may need to show how they picked an IT provider. The NIST Cybersecurity Framework (CSF) 2.0 (2024) calls for planning and due diligence to reduce risks before an organization enters a formal relationship with a supplier. The NIST Cybersecurity Framework (CSF) 2.0 (2024) also says security requirements belong in supplier contracts, with suppliers included in incident planning and response.
FunctionOne runs managed IT and cybersecurity for organizations with high-stakes operations and leaders who report up.
FunctionOne can run your IT fully or work beside your in-house IT team.
We run offices, laptops, phones, servers and cloud from one control point.
We monitor systems and act first. Security is part of daily IT work.
Security analysts watch connected systems 24/7. Containment happens only within response rules your organization approves.
Leadership gets a monthly summary and a regular security review. Reports name owners and next steps.
Each client starts with a security assessment. We review systems and accounts, then agree on scope and response rules before anything is switched on.
NIST says in The NIST Cybersecurity Framework (CSF) 2.0, published in 2024, that organizations should plan and do due diligence to reduce risk before they enter a formal relationship with a supplier. FunctionOne opened at 6216 Thompson Road in Syracuse, New York, in 1992 and has worked with business clients from that address ever since. Over those years we grew through IT consulting, managed services and custom software for a wide range of industries. Today we're a managed service provider for IT and cybersecurity, and a second office is now open in Tampa, Florida.
NIST's 2024 report, The NIST Cybersecurity Framework (CSF) 2.0, also calls for security requirements to be written into supplier contracts and for suppliers to be included in incident planning and response. FunctionOne starts each new client with a security assessment. We review systems and accounts, then agree scope and response rules with you before anything is switched on. Our security analysts watch connected systems 24/7 and contain threats only within the response rules you approve. Leadership gets a monthly summary and a regular security review, with owners and next steps in the reports.
FunctionOne is the short name for Function One Systems, Inc., a managed service provider for IT and cybersecurity. The company opened in Syracuse, New York, in 1992 and now has a second office in Tampa, Florida. We run IT for established mid-size and large organizations.
FunctionOne has worked with business clients since 1992. It opened that year at 6216 Thompson Road in Syracuse, New York. We grew into IT consulting, managed services and custom software for a wide range of industries, and today we're a managed service provider for IT and cybersecurity.
FunctionOne has two offices. Our first is at 6216 Thompson Road, Syracuse, New York 13206, where we've worked since 1992. Our second is now open at 401 East Jackson Street, Tampa, Florida 33602. You can reach both offices at 315-437-6714 for now.
Scott Ruston is President of FunctionOne, the managed IT and cybersecurity company that opened in Syracuse, New York, in 1992. The company serves established mid-size and large organizations from offices in Syracuse and Tampa, Florida.
FunctionOne works with established mid-size and large organizations that have outgrown a help desk. These organizations often run high-stakes operations, have staff across several offices, and have leaders who report to a board, insurer, auditor or parent company.
Yes, FunctionOne offers co-managed IT beside an in-house IT team, as well as fully managed IT. Either way, we start with a security assessment, review your systems and accounts, then agree scope and response rules before anything is switched on.
We'll review your systems and accounts, then agree scope and response rules with you before anything is switched on.
We use your details only to arrange your assessment.