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Welcome to Network Security Group

Network Security Group, Inc. is a network security solutions provider focused on working with companies, schools, universities and government agencies. We bring together best-of-breed products and a complete service offering to deliver solutions that meet your unique security requirements.

Valuable solutions meet the demands of your day-to-day business. Network Security Group, Inc. works with you to understand your business and consults with you to provide recommendations for hardware, software and services - complete solutions - that are tailored to your IT environment.  We realize that Security is not a product, but rather a Process.

ESET Anti-Virus

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ESET Endpoint Anti-Virus is designed with large and medium-sized business networks in mind. It is a unique bundle, which includes subscriptions to ESET for windows workstations and file servers, as well as our powerful Remote Administrator Console.

This is an ideal choice for medium to large-sized organizations with multiple file servers or locations.

NSG Services
Penetration Testing, Compliance, Audits



NSG is an enterprise-focused information security partner delivery alignment between IT security, regulatory compliance, business objectives and solutions to complex security challenges.  NSG Security assessments and compliance audit services not only find vulnerabilities and gaps in compliance, but also help prioritize what's most important to each client and monitor those through proven security management practices.


Fortinet Products

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FortiGate Multi-Threat Security Systems for the Small Office/Home Office (SOHO) and the Small to Medium Business (SMB) are the ultimate all-in-one, network-based solution to protect smaller deployments from blended threats.

These easy-to-deploy and easy-to-administer systems deliver exceptional value for exceptional performance.


Lightspeed Systems
Web Filters and MDM


Used by more than 2,000 school districts in the United States, Lightspeed Systems offers innovative web filter, collaboration, security and network management solutions for school programs.

Powerful appliances loaded with just the components you want provide easy install and a 5-year advance replacement warranty for ongoing peace of mind.

GFI Software
Security Software


GFI Software provides a single source of Web & Mail Security, Archiving, Backup & Fax, Networking & Security and Hosted solutions software for small to medium-sized enterprises. GFI Software satisfies the needs of SME organizations on a global scale.

The technology of choice for IT security in the small to medium sized business market.

Barracuda Networks
Anti-Spam, Backup


The Barracuda Spam & Virus Firewall is an integrated solution designed to protect your email server from spam and virus attacks. It leverages 12 comprehensive defense layers to provide industry-leading defense capabilities for any email server in all environments.

The No. 1 most widely used spam filtering appliance, and winner of numerous honors.



Network Security Group is pleased to be awarded a vendor number on the Massachusettes Commbuys State program.  'This will help our customers easily obtain software, hardware and services now without the need to obtain multiple bids for purchases under $150K.  We are pleased to be a part of this contract and look forward to supporting all of our MA local, state and education customers' - Peter Streips, President, Network Security Group, Inc.

EventTracker | NSGLenox Hotel

Cocktail Reception - March 4th, 5:00PM
Lenox Hotel, Heritage Room
Hosted by EventTracker, a leader in SIEM technology, and Network Security Group, please join us for a cocktail reception following the SecureWorld event on March 4th.  Just a few blocks from the Hynes Convention Center, the Lenox Hotel boasts wonderful views of Boylston Street and the Boston Library.  We will be serving cocktails including wine and beer, appetizers - Click here for full agenda


March, 4th, 2015

  5:00PM to 7:00PM

Lenox Hotel, Heritage Room
61 Exeter St. off Boylston




                 Join us for NSG Event

                2015 Security Predictions

          Wednesday, February 11th - Nashoba Valley Resort, MA 


Only 45 minutes North of Boston, please join Network Security Group on February 11th at Nashoba Valley for a Second Annual Security Summit.  Subject matter experts from numerous security vendors will present their views of the 2015 Security Landscape.  You will learn about how threats are evolving and how best to prepare and protect your network.


Your Partner in Security Solutions and Services

  • Anti-Virus/Malware
  • Anti-Spam
  • Authentication
  • Backup and DR
  • Data Loss Prevention
  • Email Archiving
  • Encryption
  • Firewall
  • MDM
  • Network Access Control
  • Security Services
  • Virtualization
  • WISP - Security Policies

Contact NSG