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

We needed to complete a network upgrade in a hurry. NSI provided proposals that worked for our budget without compromising quality. They went above and beyond working with vendors to get us the best pricing possible. NSI brings knowledgeable tech support in a timely manner and is always friendly, fast, efficient and always goes the extra mile.
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- Travis Turner
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NSI have been a lifesaver! You don't realize the value in an IT firm until something happens. What Anthony brings besides knowledge, expertise and professionalism is peace of mind. With all the viruses and hackers out there in the world, it's comforting to know you can sleep at night and not worry about whether or not you're going to have any computer problems each day. I can't recommend Anthony and his company highly enough!
- Kenneth Toy
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NSI has a team of hardworking individuals who are always available at any time! They got our computer system up and running and it has run smoother than ever before. If there's any little problem or question we have, they are easy to get a hold of and are quick to fix it. They're very professional and we are lucky to have them on our side!
- Rosie Bense
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