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Best Cybersecurity Companies in Murrieta, CA (2026)

491 cybersecurity companies ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Murrieta: KME Systems, IFR Score 64/100; 5.0★ from 389 Google reviews.

  2. 2

    Most-reviewed: FIT Solutions, 634 Google reviews at 5.0★, the most of 491 ranked; ranked #2.

Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank

491 Murrieta cybersecurity companies are ranked here by IFR Score, from nine published factors. 178 open Saturdays and 126 open Sundays, based on posted hours. The median Google rating is 5.0★ across 491 rated IT firms.

Top 10 cybersecurity companies in Murrieta at a glance

Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.

Top 10 cybersecurity companies in Murrieta at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1KME Systems645.0★ (389)Irvine, 30 mi away—Overall
2FIT Solutions635.0★ (634)San Diego, 58 mi away—Most reviews
3Buzz Cybersecurity - Irvine Managed IT Services634.8★ (72)Irvine, 38 mi awaySat · Sun · Evenings—
4Intelecis - Cyber Security Company in California, IT support Company In California615.0★ (36)Fullerton, 47 mi awaySat · Sun · Evenings—
5Enterprise Guardian Inc.614.8★ (183)Costa Mesa, 40 mi away——
6TechWaste Recycling Inc.604.7★ (172)Santa Ana, 38 mi away——
7Fidelity Security Solutions605.0★ (13)Escondido, 30 mi awaySat · Sun · Evenings—
8Intelecis Cyber Security Company Irvine595.0★ (87)Irvine, 33 mi awaySat · Sun · Evenings—
9QLAN595.0★ (64)Irvine, 30 mi away——
10Alvaka594.9★ (15)Irvine, 39 mi awaySat · Sun · Evenings—

The 491 best cybersecurity companies in Murrieta, ranked

Ordered by IFR Score, a 0–100 score from nine published factors. Paid placement never changes the order.

Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.

  1. Ranked #1 in Murrieta

    Based in Irvine, 30 mi away

    64/100IFR Score

    Ranked #1 because of its Google rating and service focus: 5.0★ from 389 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 389 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    15707 Rockfield Blvd Ste 100, Irvine, CA 92618
  2. Based in San Diego, 58 mi away

    63/100IFR Score

    Ranked #2 because of its Google rating and review volume: 5.0★ from 634 Google reviews, the most in Murrieta.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 634 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    550 W B St 4th Floor, Suite 202, San Diego, CA 92101
  3. 61/100IFR Score

    Ranked #4 because of its Google rating and service focus: 5.0★ from 36 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 36 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    1440 N Harbor Blvd 9th Floor, Fullerton, CA 92835
  4. Based in Costa Mesa, 40 mi away

    61/100IFR Score

    Ranked #5 because of its Google rating and service focus: 4.8★ from 183 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.8★ from 183 Google reviews
    Hours
    Mon–Fri 7 AM–4 PM · Sat–Sun closed
    Address
    3070 Bristol St, Costa Mesa, CA 92626
  5. Based in Santa Ana, 38 mi away

    60/100IFR Score

    Ranked #6 because of its Google rating and service focus: 4.7★ from 172 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.7★ from 172 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    1940 E Occidental St, Santa Ana, CA 92705
  6. Based in Escondido, 30 mi away

    60/100IFR Score

    Ranked #7 because of its Google rating and service focus: 5.0★ from 13 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 13 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
    Address
    649 W Mission Ave, Unit #2400 [Box 9], Escondido, CA 92025
  7. #9 QLAN

    Based in Irvine, 30 mi away

    59/100IFR Score

    Ranked #9 because of its Google rating and service focus: 5.0★ from 64 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 64 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    Address
    4 Mason STE B, Irvine, CA 92618
  8. #10 Alvaka

    Based in Irvine, 39 mi away

    59/100IFR Score

    Ranked #10 because of its Google rating and service focus: 4.9★ from 15 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 15 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    2 Executive Cir, Irvine, CA 92614
  9. Based in Murrieta

    59/100IFR Score

    Ranked #14 because of its Google rating and service focus: 5.0★ from 24 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 24 Google reviews
    Hours
    Mon–Tue 8 AM–5 PM · Wed 9 AM–5 PM · Thu–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    39520 Murrieta Hot Springs Rd #219-106, Murrieta, CA 92563
  10. Based in San Marcos, 29 mi away

    59/100IFR Score

    Ranked #15 because of its Google rating and service focus: 4.9★ from 9 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 9 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    310 Via Vera Cruz #101, San Marcos, CA 92078
  11. Based in Los Angeles, 73 mi away

    59/100IFR Score

    Ranked #16 because of its Google rating and service focus: 5.0★ from 158 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 158 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    Address
    8939 S Sepulveda Blvd #506, Los Angeles, CA 90045
  12. Based in Carlsbad, 44 mi away

    58/100IFR Score

    Ranked #17 because of its Google rating and service focus: 4.9★ from 12 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 12 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
  13. Based in Pasadena, 67 mi away

    58/100IFR Score

    Ranked #18 because of its Google rating and review volume: 5.0★ from 497 Google reviews.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 497 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    35 N Lake Ave #710, Pasadena, CA 91101
  14. Based in Murrieta

    58/100IFR Score

    Ranked #20 because of its Google rating and service focus: 5.0★ from 8 Google reviews, listed on Google as “Computer security service”.

    Based on 7 of 9 factors; recency and availability not yet collected.

    • 5.0★ from 8 Google reviews
    Address
    41197 Golden Gate Cir Ste 204, Murrieta, CA 92562
  15. 58/100IFR Score

    Ranked #21 because of its Google rating and service focus: 4.8★ from 31 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.8★ from 31 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    5839 Green Valley Cir Ste 104, Los Angeles, CA 90230
  16. Based in San Diego, 54 mi away

    58/100IFR Score

    Ranked #22 because of its Google rating and service focus: 5.0★ from 84 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 84 Google reviews
    Hours
    Mon–Tue 8 AM–5 PM · Wed closed · Thu–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    3111 Camino Del Rio N #400, San Diego, CA 92108
  17. Based in Mission Viejo, 27 mi away

    58/100IFR Score

    Ranked #25 because of its Google rating and service focus: 5.0★ from 5 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 5 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    26146 Los Viveros, Mission Viejo, CA 92691

Cybersecurity companies ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in IFR Score order; each links to its profile. We publish the top 50 of 491 ranked cybersecurity companies here; the rest are on their profiles.

cybersecurity companies in Murrieta, ranks 26 to 50
RankBusinessIFR ScoreGoogle ratingDistance
26San Diego IT Support575.0★ (189)43 mi
27Mytech Partners, Inc.574.6★ (28)57 mi
28Tech Guardian574.9★ (87)12 mi
29United Nationwide Security Services, Inc.574.8★ (19)70 mi
30Buzz Cybersecurity - Corona Managed IT Services575.0★ (4)28 mi
31IT Solutions Technology Partners574.0★ (7)37 mi
32SecLex575.0★ (4)29 mi
33eSecurity Solutions, LLC574.3★ (13)38 mi
34Tech Expert Guys574.9★ (241)37 mi
35SMS Data Center - Colocation Orange County & Los Angeles County564.2★ (5)37 mi
36IT Solve Hub565.0★ (173)36 mi
37TeamLogic IT565.0★ (31)43 mi
38E-Waste Security565.0★ (28)42 mi
39eIRONclad Technology Solutions564.3★ (7)52 mi
40Resecurity (USA)564.9★ (10)69 mi
41KaufmanIT, Inc. | Managed IT Support & Cybersecurity565.0★ (45)37 mi
42TechHub Direct565.0★ (234)53 mi
43AUTOMATES565.0★ (177)62 mi
44LMNTRIX USA565.0★ (4)42 mi
45Zephyr Networks, Inc.564.9★ (19)30 mi
46Intelligent Technical Solutions | ITS565.0★ (8)67 mi
47Ironguard IT565.0★ (3)In Murrieta
48Royal Knights Techs565.0★ (22)43 mi
49Meriplex | San Diego, CA555.0★ (27)50 mi
50Skyriver IT554.9★ (116)48 mi

Also serving Murrieta

20 more cybersecurity companies within 75 mi that we can't rank yet: too few reviews, or a service we couldn't confirm. Listed A to Z.

Unranked cybersecurity companies serving Murrieta
BusinessGoogle ratingDistance
32PremierIn Murrieta
Ailerons IT Consulting5.0★ (2)15 mi
CDR Services5.0★ (2)28 mi
Cerius IT SolutionsIn Murrieta
CIER Technologies - Managed IT and CybersecurityIn Murrieta
ConsulTech Information Technology5.0★ (2)23 mi
Digital ScepterIn Murrieta
Endless Technology Solutions4.8★ (4)In Murrieta
Gal Tec IncircumscriptibleIn Murrieta
Innovative Solutions4.0★ (2)13 mi
Marquis Network Solutions5.0★ (2)27 mi
OC-IT5.0★ (2)24 mi
RipTide Systems4.2★ (5)In Murrieta
SDSI Business Systems Inc5.0★ (1)In Murrieta
SICG IT SolutionsIn Murrieta
Tech Lacaze4.9★ (25)In Murrieta
TekNimble Computer & IT Services5.0★ (2)29 mi
TrulyCreative Network SolutionsIn Murrieta
WebSec Corporation2.5★ (2)In Murrieta
West Coast Computer Solutions Murrieta Office4.8★ (25)In Murrieta

How we ranked Murrieta cybersecurity companies

We scored 491 Murrieta cybersecurity companies on nine factors, weighted as shown. An IT firm is ranked when its service is confirmed and it has 3 or more Google reviews or a claimed profile. An IT firm with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 9, 2026.

Paid placement never changes a rank or score. Sponsored businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

IFR Score factors and weights
FactorWeightComputed fromIn Murrieta data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Review volume15%Number of Google reviews, compared with the most-reviewed IT firm on the listMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday and 24/7 supportMeasured
Service focus15%How clearly the firm does this service (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The firm has claimed its IT Firms Ranked profile (free or paid earn the same)Measured
Partnered5%The firm links to IT Firms Ranked from its own website with our badge, checked periodicallyMeasured
Client reviews10%Verified client reviews collected by IT Firms Ranked: their rating and how many there areMeasured

How to choose a cybersecurity company

  1. Ask whether monitoring is staffed around the clock by the firm itself or by a partner.
  2. Ask for a sample assessment or penetration-test report with client details removed.
  3. Check experience with your industry’s rules (for example HIPAA, PCI DSS or CMMC).
  4. Ask what the firm does in the first hour of an incident, and whether that is in the contract.
  5. Ask for two or three references from clients of your size and industry, and call them.
  6. Get the scope, response times and price in writing before you sign, including how you leave and get your data back.

Questions to ask a cybersecurity company

  • Is your security monitoring staffed 24/7, and by whom?
  • Which frameworks do you assess against?
  • What do your reports include, and do you re-test after we fix the findings?
  • Do you handle incident response yourselves, and do you work with cyber insurers?
  • What access will you need to our systems, and how is it controlled and logged?
  • Which certifications do the people doing the work hold?

Terms explained

MSP (managed service provider)
A firm that runs a business’s IT for a recurring fee: monitoring, patching, help desk, backups and security tools.
Co-managed IT
An arrangement where an outside firm supports an in-house IT person or team, sharing tools and tasks.
Break-fix
IT support paid per incident or per hour, with no monthly agreement.
SLA (service-level agreement)
The contract terms for response and resolution times, uptime and support hours.
Help desk
The support line staff call or email for IT problems.
RMM
Remote monitoring and management software that lets an IT firm watch, patch and fix computers remotely.
vCIO
A virtual chief information officer: part-time IT strategy and budgeting from an outside firm.
MSSP
A managed security service provider: a firm that monitors and manages security tools around the clock.
EDR / MDR
Endpoint detection and response software, and the managed service of people watching its alerts (managed detection and response).
MFA
Multi-factor authentication: a second proof of identity, such as an app prompt, on top of a password.
Penetration test
An authorised, simulated attack on your systems to find weaknesses before criminals do.
SOC 2
An independent auditor’s report (AICPA standard) on a service provider’s security controls.

Cybersecurity companies in Murrieta: frequently asked questions

Who is the best cybersecurity company in Murrieta?

By IFR Score, the highest-ranked cybersecurity company in Murrieta, CA is KME Systems with an IFR Score of 64/100. It has 5.0★ from 389 Google reviews. FIT Solutions (#2) and Buzz Cybersecurity - Irvine Managed IT Services (#3) follow. We ranked 491 cybersecurity companies on nine factors, last updated November 9, 2026.

How many cybersecurity companies are there in Murrieta?

ITFirmsRanked ranks 491 cybersecurity companies serving Murrieta, CA. 3 of them are based in Murrieta; the rest serve it from nearby towns. Another 20 within 75 mi are listed but not ranked yet. Counts are as of November 2026.

Which cybersecurity companies in Murrieta work on weekends?

178 of 491 ranked cybersecurity companies post Saturday hours and 126 post Sunday hours. The highest-ranked open Saturdays are Buzz Cybersecurity - Irvine Managed IT Services (#3), Intelecis - Cyber Security Company in California, IT support Company In California (#4) and Fidelity Security Solutions (#7). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Murrieta cybersecurity companies have?

The median Google rating among 491 rated cybersecurity companies in Murrieta is 5.0★, with a median of 15 reviews. FIT Solutions has the most, 634 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ITFirmsRanked rank cybersecurity companies?

Each cybersecurity company gets a 0–100 IFR Score from nine published factors, led by reputation (25%), review volume (15%), service focus (15%) and recency (10%). An IT firm with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only IT firms with a confirmed service and 3 or more reviews, or a claimed profile, are ranked.

Do cybersecurity companies outside Murrieta count in this ranking?

Yes, if they are within 75 mi of the Murrieta city center, our service radius for cybersecurity companies. Each listing shows where the IT firm is based and how far away it is. Proximity is 5% of the IFR Score, so a nearby IT firm gets a small edge.

Can cybersecurity companies pay to rank higher on ITFirmsRanked?

No. The IFR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured IT firms may appear above the list, labelled Sponsored and showing their honest rank.

What does a cybersecurity company do?

Cybersecurity companies assess and protect a business’s systems and data: security monitoring, endpoint protection, penetration testing, compliance support and incident response.

How are cybersecurity companies in Murrieta ranked?

By IFR Score: Google rating and review volume, recent reviews, opening hours, how clearly the firm does cybersecurity, distance, a claimed profile, our badge and verified client reviews. Sponsored placements never change the order.

Do we need a cybersecurity firm if we already have an IT provider?

Sometimes. Many IT providers include basic security tools; a security firm adds specialist work such as 24/7 monitoring, penetration tests, compliance audits and incident response. Ask your IT provider what they cover and where they would bring in a specialist.

What is the difference between a security assessment and a penetration test?

An assessment reviews your policies, settings and controls against a framework. A penetration test is an authorised, simulated attack that tries to exploit weaknesses. Both end with a written report and a list of fixes.

Can a cybersecurity firm help with compliance?

Many help organisations prepare for requirements such as HIPAA, PCI DSS, CMMC or SOC 2. They can advise and assess, but only an independent auditor issues a SOC 2 report, and compliance is ultimately your responsibility.

Update log for Murrieta

  1. November 2026: IFR Scores recalculated for 491 cybersecurity companies serving Murrieta.
  2. November 2026: 6 duplicate listings merged.