Cybersecurity-Focused IT Support for Growing Businesses in Temecula/Murrieta
Managed IT, Cybersecurity & Compliance Support for Manufacturing, Law Firms, and Healthcare
Running a business today means relying on technology—and worrying about security, downtime, and compliance.
At NSI, we help small and midsize businesses stay secure, compliant, and productive with proactive managed IT and cybersecurity services designed for real-world risks.
We specialize in supporting manufacturing companies, law firms, and healthcare organizations throughout Southern California that need reliable IT without surprises.
What We Do
NSI provides managed IT and cybersecurity services that keep your systems running, your data protected, and your business prepared for audits, cyber threats, and growth.
Our core services include:
Managed IT Services
Proactive monitoring, helpdesk support, patching, and system management
Cybersecurity Services
Threat prevention, ransomware protection, incident response readiness
Compliance & Risk Management
Support for HIPAA, legal confidentiality, and industry regulations
Cloud & Microsoft 365 Support
Secure cloud environments, remote work enablement, and access control
Everything we do is focused on reducing risk, minimizing downtime, and making IT predictable.
Who We’re Best Fit For
We work best with organizations that have or need:
Company Size
A company or organization where size ranges from 5 to 100 employees
Technology Reliance
An organization that relies on technology for daily operations
Sensitive Data
Handles sensitive data or faces compliance requirements
Frustration
Organizations that are frustrated with reactive or unresponsive IT providers
Partnership
Organizations that want a long-term IT partner—not just someone who “fixes tickets”
Collaboration
We strive for collaboration, strategy, partnership and trust
Our Most Common Clients Include:
Manufacturing companies concerned about downtime, ransomware, and operational disruption
Law firms that must protect client confidentiality and avoid data breaches
Healthcare organizations that need reliable IT and HIPAA-aware security practices
Why Businesses Choose NSI
Many of our clients come to us after experiencing:
Slow response times from their current IT provider
Unclear responsibilities during incidents or audits
Cybersecurity tools that don’t actually reduce risk
Too much technical jargon and not enough straight answers
With NSI, Clients Get:
Proactive IT management instead of constant firefighting
Clear security practices designed for real threats—not checklists
Predictable support and accountability
Plain-English explanations that help leaders make confident decisions
What Working With NSI Looks Like
Here’s what most clients experience in the first 90 days:
Discovery & Assessment
We learn your business, review your current IT and security posture, and identify risks.
Ongoing Support & Guidance
We proactively manage your environment, respond quickly when issues arise, and help you plan ahead.
Stabilization & Security
We close gaps, improve reliability, and put safeguards in place to reduce exposure.
Our Goal Is Simple:
You stop worrying about IT and security, and your business runs more smoothly
Cybersecurity Without the Fear Tactics
Cybersecurity shouldn’t be confusing or driven by scare tactics
We Focus On:
Preventing the most common attacks we actually see
Preparing clients for realistic incident scenarios
Making responsibilities clear before something goes wrong
If An Issue Occurs, You Know:
Who to call
What happens next
How we help minimize impact
Local Support You Can Reach
NSI proudly serves businesses throughout Southern California with responsive, relationship-driven IT support
When you contact us, you're talking to a team that:
Understands your region
Understands your industry
Takes responsibility for outcomes, not excuses
Ready to See If NSI Is a Good Fit?
If you’re exploring new IT or cybersecurity support or questioning whether your current provider is doing enough—we’re happy to talk.
Schedule a consultation to discuss your environment, risks, and goals. There’s no pressure—just clear answers.
Review Our Services To Learn More
Offering solutions that deliver results for your toughest business problems. Success is the key!

Managed IT
An easy bolt on service that will manage all of your IT. Choose from our various packages to suit your specific business needs.

IT Security
Contact us about our Cyber Security offerings or schedule a FREE IT Security Audit to see a report card of where you stand and what risks or gaps can be filled.

Network Design
Using industry best practices we will design your network, servers and workstations in a highly secure and robust design.

Backup & DR
You should always have a Backup and Disaster Recovery (BDR) Plan. What BDR solution is the right one for your specific business? Contact us to learn more about BDR options.

Virtualization
Virtualization has many benefits from cost savings to performance and security. Contact us to better understand the benefits that you should be taking advantage of now.

Internet Services
Is your Internet or phone bill too high? Is the service sub-par? Are you getting the speed you're paying for? Contact us to see how we can provide better service for less with a FREE consultation.

Compliance
Ask us about our HIPAA and PCI compliance audits and Compliancy as a Service. Contact us to schedule a FREE consultation to discuss the benefits of a managed service for compliance.

Cloud/AI Services
Find out which cloud solution is the right one for your specific business? Not all cloud services are a good fit. Contact us to learn more about cloud and AI.

Phones / VoIP
Do you have a legacy phone system? Maybe you have VoIP but the bill too high? Is the service sub-par? Let us provide a full analysis to make sure you’re getting the best service for the lowest cost.

vCIO/CTO Services
If you’re a small business you most likely don’t have a CIO or CTO but that’s ok. If you partner with NSI we can fill in these gaps for you and provide a solid strategy for your business.

Security Cameras
Do you need a better security solution to protect your business assets? Let us help you design and plan the best system at the most reasonable cost.

Help & Support
Our help and support extend past our current clients onto first time clients with a FREE 2-hour* support session to help fix any issues you may be experiencing.
*Applies to first-time customers only. To learn more go to our services page.
Customer Testimonials