Our industry analysts determined the best California cybersecurity companies helping businesses protect their business data from attacks and streamline security measures. Browse companies' rates, portfolios, reviews and more in our agency listings table below to pick the most suitable partner.

United States × California × Hardware & Networking ×Clear Filters
  • Trusted Advisors, VARs, Managed IT & Technology Broker Services.

    Internet Nerdz stands as a premier technology services and consulting firm, dedicated to crafting innovative solutions tailored to meet the intricate demands of your digital transformation journey. With a steadfast commitment to excellence, we specialize in developing cutting-edge strategies and solutions...

    Top Services:

    • IT Services
    • Managed Services
    • Cloud Consulting
    • Cybersecurity
    • IT Compliance Solution
    • Show more
    Location
    Santa Monica, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    Internet Nerdz Services

    • IT Services
    • Managed Services
    • Cloud Consulting
    • Cybersecurity
    • IT Compliance Solution
    • Business Consulting
    • Call Centers
    • Phone Answering Services
    • IoT
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Clearspan Communications
    • Cynergy HiTech
    • Innisfree Hotels
    • Tandy Leather
    • Higgenbotham Insurance Agency
    • Northland Development
    • Prominence Hospitality
    • Fora Financial
    • Entouch Controls
    • Nexxiot Inc.
    Data sourced from the agency's DesignRush profile

    Internet Nerdz Reviews & Testimonials

    • Scott Berg
      Scott Berg VP of Operations at Sigma Funding Group
      5.0

      IT Services Review from Scott Berg

      If you're looking for a company to handle your IT and telephony needs then Scott and his team at Internet Nerdz is who you should be working with. They have my highest recommendation!

    • Shaun Green
      Shaun Green Review from Google
      5.0

      Shaun Green's Review Sourced from Google

      Internet Nerdz has been a game-changer for my business. Their team is responsive, knowledgeable, and genuinely committed to helping their clients succeed. They made everything simple and stress-free, from setup to ongoing support. Highly recommend for anyone looking for reliable and expert service!

    • Angelica Cervantes
      Angelica Cervantes Review from Google
      5.0

      Angelica Cervantes's Review Sourced from Google

      In an increasingly digital world, partnering with Internet Nerdz Inc is a strategic move towards achieving your business goals. With their unparalleled expertise, dedication to excellence, and commitment to customer satisfaction, they are truly the gateway to digital success. Whether you're a startup, a small business, or a multinational corporation, Internet Nerdz Inc has the tools and the talent to propel your brand to new heights.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Investigate. Remediate. Automate.

    We build full cybersecurity plans and provide ongoing guidance to eliminate vulnerabilities and to keep your company protected...

    Top Services:

    • Cybersecurity
    Location
    Santa Monica, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $10,000 - $25,000

    Framework Security Services

    • Cybersecurity
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Sopheon
    • Prolacta
    • Volo
    Data sourced from the agency's DesignRush profile

    Framework Security Reviews & Testimonials

    • Scott Milner
      Scott Milner Review from Google
      5.0

      Scott Milner's Review Sourced from Google

      Jerry and his team are absolutlely top notch. Highly professional, diligent, and just really, really good at what they do. All of this shines through in the first meeting with the team. After thorough testing, they set a clear course for correcting vulnerabilities and for using best security practices in development. They then work with the founder and the development team to implement their plan. I really appreciated their mix of taking a dogged approach toward security while also being patient and explaining things in an understandable way with an extremely busy and no-so-technical founder.

    • Kenneth Moon
      Kenneth Moon Review from Google
      5.0

      Kenneth Moon's Review Sourced from Google

      Framework Security was very knowledgeable and highly responsive, which allowed us to achieve our goals. They performed a risk assessment where they offered guidance to the gaps and provided solutions there were a great fit.

    • Ed Hattrup
      Ed Hattrup Review from Google
      5.0

      Ed Hattrup's Review Sourced from Google

      The risk assessment was a success, having a fractional CISO made the process easier, learning about the new products my company could utilize was informative, and overall I feel confident about the integrity of my company's cybersecurity program.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • DDoS Protection Made Simple

    Established in 2008, Nexusguard is a global leader in DDoS protection. Using proprietary Bastions technology and a global network of over 50 scrubbing centers, we provide comprehensive protection for networks, web applications, and DNS against malicious attacks. Trusted by 100+ CSPs, including top global...

    Top Services:

    • Cybersecurity
    Location
    San Francisco, California
    Number of Employees
    100 - 249

    Nexusguard Services

    • Cybersecurity
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • So-net
    • RETN
    • Wind Telecom
    • Cellcard
    • Eastern Communications
    Data sourced from the agency's DesignRush profile
  • Providing best-in-class IT services

    Infracore is a best-in-class Cybersecurity and IT Support Services firm. Founded in 2003, Infracore takes a white-glove approach to providing end-to-end IT infrastructure support, cybersecurity, systems management, network design, compliance, desktop support, and strategic decision guidance...

    Top Services:

    • Managed Services
    • IT Services
    • Cloud Consulting
    • Cybersecurity
    • IT Compliance Solution
    • Show more
    Location
    San Diego, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $140/hr
    Minimal Budget
    $25,000 - $50,000

    Infracore Services

    • Managed Services
    • IT Services
    • Cloud Consulting
    • Cybersecurity
    • IT Compliance Solution
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Pfizer
    • SmartDrive
    • Takeda
    • Tavistock Group
    • Verimatrix
    Data sourced from the agency's DesignRush profile

    Infracore Reviews & Testimonials

    • Bennett Fisher
      Bennett Fisher Service Desk, Cybersecurity at Fresh Echo Interactive
      5.0

      Managed Services Review from Bennett Fisher

      Fantastic IT support. Very responsive - they act as our internal team! Extremely pleased.

    • Best Life
      Best Life Review from Google
      5.0

      Best Life's Review Sourced from Google

      I recently had the pleasure of working with Infracore. Their customer service is exceptional. Their team is responsive, attentive, and genuinely committed to resolving my issues. They took the time to understand my specific needs and provided good, better, best options, which allowed me to feel in control by picking the path that best fit my needs and budget. Their friendly and professional approach made the entire experience seamless and stress-free.When it comes to technical expertise, Infracore truly stands out. Their knowledge of cloud services and cybersecurity is top-notch. They helped us migrate to a secure cloud environment with minimal downtime and ensured our data was protected with the latest security measures. Their proactive approach to identifying and mitigating potential threats has given us peace of mind, knowing our systems are in capable hands. I highly recommend Infracore for anyone seeking reliable and expert IT support services.

    • Louis Song
      Louis Song Review from Google
      5.0

      Louis Song's Review Sourced from Google

      Paymon, Eric, Ivan and the team are great to work with. They are extremely responsive and knowledgeable and quickly helped us with some cybersecurity issues and an overall audit of our systems. They are my GO TO team for cybersecurity and any IT issues.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Protecting Your Data Powering Your Future

    CQR delivers comprehensive cybersecurity services including penetration testing, red teaming, SOC monitoring, compliance auditing, and vulnerability assessments. Our certified specialists provide 24/7 security support to government and enterprise clients worldwide, helping organizations strengthen their...

    Top Services:

    • Cybersecurity
    • Software Testing
    • AI Development
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr

    CQR Company Services

    • Cybersecurity
    • Software Testing
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Kyrrex
    • Tacans
    • Zion
    Data sourced from the agency's DesignRush profile
  • Proactive Defense Proven Expertise

    OC Security Audit provides expert IT and cybersecurity services, including network and system administration, security assessments, penetration testing, vulnerability management, compliance audits (HIPAA, PCI-DSS, ISO 27001), cloud security, firewall configuration, disaster recovery, endpoint protection, and...

    Top Services:

    • Cybersecurity
    • Managed Services
    • IT Services
    • IT Compliance Solution
    • Cloud Consulting
    • Show more
    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000

    OC Security Audit Services

    • Cybersecurity
    • Managed Services
    • IT Services
    • IT Compliance Solution
    • Cloud Consulting
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Hardware & Networking Industry
    • Hospitality Industry
    • Health Care Industry
    Data sourced from the agency's DesignRush profile
  • Unyielding Protection, Trusted Excellence

    Pioneering the field of digital security, we provide state-of-the-art solutions tailored to fortify your data and infrastructure. Our team of seasoned professionals is wholly committed to furnishing resilient, personalized safeguards against ever-adapting cyber threats, affording you peace of mind in an...

    Top Services:

    • Cybersecurity
    • IT Services
    • IT Compliance Solution
    • Managed Services
    • Cloud Consulting
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000

    KingsGuard Services

    • Cybersecurity
    • IT Services
    • IT Compliance Solution
    • Managed Services
    • Cloud Consulting
    • ECM Consulting
    • CRM Consulting
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Red Robin
    • The Trusty Plumbers Network
    • MCP
    Data sourced from the agency's DesignRush profile
  • IT Harmony

    For over 25 years, Acorn IT Services has helped businesses eliminate IT instability, reduce cybersecurity exposure, and scale with confidence through fully managed IT, cloud, and security solutions, serving mid-sized organizations that cannot afford downtime, compliance gaps, or reactive IT...

    Top Services:

    • IT Services
    • Cybersecurity
    Location
    Ontario, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000

    Acorn IT Services Services

    • IT Services
    • Cybersecurity
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Moreno Valley College
    • KPI Healthcare Inc
    • Rubidoux Community Services District
    Data sourced from the agency's DesignRush profile

    Acorn IT Services Reviews & Testimonials

    • Melissa Cure
      Melissa Cure Review from Google
      5.0

      Melissa Cure's Review Sourced from Google

      The company I work for uses Acorn and I have had great experiences when having to call tech support. They are fast, friendly and knowledgeable! Highly recommended!

    • Galaxias Stellarum
      Galaxias Stellarum Review from Google
      5.0

      Galaxias Stellarum's Review Sourced from Google

      Most MSP relationships feel like being stationed on some forgotten Warhammer 40k outpost where the lights flicker, the walls sweat, the printer has become possessed by a minor daemon of spite, and every support request sounds like the opening line to a campaign nobody wants to fight. One password reset becomes trench warfare. One mailbox issue turns into a siege. One login problem starts skittering through the vents like a Genestealer with admin rights. That is the usual flavor of outsourced support: confusion, delays, mystery suffering, and a whole lot of “we’ll circle back” while the planet burns.ACORN is not that.ACORN is the battle barge that arrives when the sky is already on fire and, instead of giving speeches about process, actually starts solving the damn problem.Since ACORN became the MSP for my company, the IT team has been genuinely happier. Not “corporate smile in a meeting” happier. Not “we put that in an email because it sounds polite” happier. I mean actually happier. Less friction. Faster answers. Better support. Real help from people who seem to understand that when something breaks, the goal is to fix it before it mutates into a second, uglier problem with tentacles.And the people matter here, because the people at ACORN have been consistently excellent. Afzaal, Saad, Asher, Samhesh, Chelsea, Tywon, Mesha, Ashley, and others I have worked with have all been fantastic. They are helpful, responsive, capable, and they move with the kind of speed that makes you feel like your issue has been handed to someone who has already seen this beast before and knows exactly where to put the blade. There is a huge difference between “support technician” and “person who can actually get me out of this mess,” and the ACORN team keeps proving they are the second kind.That is what stands out most. They do not just answer. They resolve. They do not just acknowledge tickets like monks copying the Book of Mild Concern by candlelight. They get in there, make sense of the chaos, and get results. When you work in IT, you develop a sixth sense for who is going to waste your time and who is going to save your day. ACORN has consistently landed in the second category.And in the grim darkness of modern business technology, that matters more than people realize.Because every company eventually reaches that moment where a simple issue threatens to become a full battlefield. Email breaks. Access gets weird. Permissions decide to become theological. A user swears they did nothing right before unleashing an entire mechanical apocalypse. In those moments, you do not want vague reassurance. You do not want jargon wrapped in fog. You want competence. You want speed. You want someone who can look at the techno-horror crawling out of the floor panels and say, “Yeah, no, kill it with fire,” and then actually fix the issue instead of studying it like a museum exhibit.That has been my experience with ACORN.They have brought a level of consistency, urgency, and real usefulness that has made life better for the ARGUS IT team. The support feels human, the turnaround feels meaningful, and the outcomes feel solid. The people are strong, the service is strong, and the whole relationship has made a positive difference where it actually counts: in the day-to-day reality of getting problems solved without unnecessary suffering.If ACORN ever decides to put their logo on a Warhammer-style battle standard and march it across the wreckage of broken tickets and screaming copiers, I would not even question it. They have earned that energy.Highly recommended.

    • Chuck Flacks
      Chuck Flacks Review from Google
      5.0

      Chuck Flacks's Review Sourced from Google

      As someone who started work before there was such a thing as IT departments, I have worked with many vendors. Acorn is the most responsive, patient, competent and friendly IT vendor I have ever worked with. They almost seem to anticipate my needs.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Take the World at new Level

    Masters Development Network and Solutions (MSDN Solutions) is a Web Development and Marketing company providing Web and Software Services, Graphic Design and Printing Solutions, and all Marketing needs to enterprises and more specifically to startup companies across the world...

    Top Services:

    • IT Services
    • Cybersecurity
    • SEO
    • Web Design
    • WordPress Website Design
    • Show more
    Location
    Thousand Oaks, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $1,000 - $10,000

    MSDN Solutions, INC. Services

    • IT Services
    • Cybersecurity
    • SEO
    • Web Design
    • WordPress Website Design
    • Graphic Design
    • Advertising
    • PPC
    • Digital Marketing
    • eCommerce Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • XCo Accelerate
    • Asbarez News
    • Dot818
    • Finturf
    • Proud American Carwash
    • Tire Master Sun Valley
    • WFG
    Data sourced from the agency's DesignRush profile

    MSDN Solutions, INC. Reviews & Testimonials

    • Eric Soleimani
      Eric Soleimani Review from Google
      5.0

      Eric Soleimani's Review Sourced from Google

      I recently worked with MSDN Solutions and was blown away by their exceptional service. Their team was knowledgeable, efficient, and dedicated to finding the best solutions for my business. They took the time to understand my unique needs and goals, and provided tailored recommendations that have significantly improved our IT infrastructure. I am beyond impressed with their expertise and professionalism, and highly recommend them to anyone looking for top-quality IT management services.

    • Diana Kaputyan
      Diana Kaputyan Review from Google
      5.0

      Diana Kaputyan's Review Sourced from Google

      MSDN Solutions is GREAT! Their communication with me was externally clear and on point, all my concerns and questions were addressed. I couldn't have been happier with the outcome of my products. (labels and cards) they made my idea come out so much better. They know what they are doing and they do it well! I would recommend everyone to them, because I know I loved it and others will love it as well!

    • Benita safaryans
      Benita safaryans Review from Google
      5.0

      Benita safaryans's Review Sourced from Google

      MSDN Solutions team by far have been the most professional, detailed oriented, and organized people I have worked with to address my website needs. This team has designed the most wonderful website for me, have been designing the prettiest pamphlets for my business and the best business cards. Having MSDN Solutions on my side, my mind is at peace that they will take care of any issues I might have with my website, they're responsive, creative, responsible and deliver exactly what they talk about. I'm very happy to do business with them and will continue doing so for the rest of my life.Thank you very much MSDN Solutions

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Trust Your It. Empower Your Business.

    L3 Networks provides Managed IT Services & Support. From Cyber Security to Cloud Services, L3 Networks keeps your business secure, reliable, and future-proof since 2000...

    Top Services:

    • Managed Services
    • IT Services
    • IT Compliance Solution
    • Cloud Consulting
    • Cybersecurity
    • Show more
    Location
    Cypress, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    L3 Networks Inc. Services

    • Managed Services
    • IT Services
    • IT Compliance Solution
    • Cloud Consulting
    • Cybersecurity
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Roland Corporation
    • Razor USA LLC
    • Computacenter
    • AXS
    • MNX Global Logistics Corp.
    Data sourced from the agency's DesignRush profile

    L3 Networks Inc. Reviews & Testimonials

    • Rick Jones
      Rick Jones Review from Google
      5.0

      Rick Jones's Review Sourced from Google

      Steve is a top notch engineer and he has strong team behind him of dedicated professionals.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • When IT ABSOlutely has to work!!

    ABSO Technologies delivers reliable, enterprise-grade Managed IT Services to businesses, municipalities, and nonprofits. Our fully in-house team provides proactive support, cybersecurity, and strategic IT solutions to keep your organization secure, efficient, and focused on growth...

    Top Services:

    • IT Services
    • Managed Services
    • Cloud Consulting
    • Cybersecurity
    • Staff Augmentation
    • Show more
    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $90/hr
    Minimal Budget
    Under $1,000

    ABSO Technologies, Inc. Services

    • IT Services
    • Managed Services
    • Cloud Consulting
    • Cybersecurity
    • Staff Augmentation
    • IT Compliance Solution
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • CPA Firms
    • Moving Companies
    • City Governement
    • Schools
    Data sourced from the agency's DesignRush profile

    ABSO Technologies, Inc. Reviews & Testimonials

    • Paul Rogers
      Paul Rogers Review from Google
      5.0

      Paul Rogers's Review Sourced from Google

      ABSO came to our church’s school and remained flexible to deal with unexpected issues and set up several pieces of technology for us. They even came out afterwards when we were having some additional issues due to third-party equipment interfacing with what they set up. We are grateful for their attentive care for our campus to go above and beyond!

    • jacob jamal
      jacob jamal Review from Google
      5.0

      jacob jamal's Review Sourced from Google

      ABSO TECHNOLOGIES boasts an impressive array of products catering to diverse market segments. From consumer electronics to enterprise solutions, their product portfolio reflects a commitment to cutting-edge technology and user-centric design. Each offering is meticulously crafted to deliver exceptional performance and usability, setting Abso apart from its competitors. They have been a great help around the city I want to say thank you

    • Teddy Labissiere
      Teddy Labissiere Review from Google
      5.0

      Teddy Labissiere's Review Sourced from Google

      Has always been a pleasure working with the guys at ABSO. Whether you're a big team, small team, a corporation or a municipality, they've got you covered. It seems like they secure everybody's networks!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Your Security Partner.

    If you think about SOC2, ISO27001, ISO 42001, GDPR, HIPAA, HITRUST Services, Securis360 For you! We weave a web of protection so strong, even the most cunning spider wouldn't dare to tangle...

    Top Services:

    • Staff Augmentation
    • Big Data Analytics
    • IT Compliance Solution
    • Cybersecurity
    • Market Research
    • Show more
    Location
    Milpitas, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000

    Securis360 Services

    • Staff Augmentation
    • Big Data Analytics
    • IT Compliance Solution
    • Cybersecurity
    • Market Research
    • HR Outsourcing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Assur Care
    • KD Hospital
    • Dynatech
    • Bacancy Technology
    Data sourced from the agency's DesignRush profile

    Securis360 Reviews & Testimonials

    • Jignesh Prajapati
      Jignesh Prajapati Assistant Manager - Digital Marketing at La Gajjar Group
      5.0

      HIPAA Compliance Review from Jignesh Prajapati

      Securis360 has been an outstanding partner in ensuring our organization's HIPAA compliance. Their comprehensive assessment identified critical gaps, and they provided tailored solutions that perfectly fit our needs. Their user-friendly tools and clear, actionable guidance made the compliance process seamless and efficient. The teams expertise, professionalism, and commitment to excellence gave us confidence in our compliance posture while also establishing best practices for long-term success. We highly recommend Securis360 to any organization seeking reliable and top-notch HIPAA compliance services.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews

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