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Best Cybersecurity Companies in Monterey, CA (2026)

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

The short answer

  1. 1

    Best overall in Monterey: Proofpoint Inc, IFR Score 59/100; 4.2★ from 96 Google reviews; open 7 days a week.

  2. 5

    Most-reviewed: Central Computers, 698 Google reviews at 4.4★, the most of 122 ranked; ranked #5.

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

122 Monterey cybersecurity companies are ranked here by IFR Score, from nine published factors. 40 open Saturdays and 31 open Sundays, based on posted hours. The median Google rating is 4.9★ across 122 rated IT firms.

Top 10 cybersecurity companies in Monterey at a glance

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

Top 10 cybersecurity companies in Monterey at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1Proofpoint Inc594.2★ (96)Sunnyvale, 55 mi awaySat · Sun · EveningsOverall
2Palo Alto Networks Inc594.6★ (82)Santa Clara, 54 mi awaySat · Sun · Evenings—
3Network Remedy - IT Support, IT Security & Managed IT Services575.0★ (78)Santa Clara, 54 mi awaySat · Sun · Evenings—
4Zscaler573.8★ (38)Santa Clara, 55 mi awaySat · Sun · Evenings—
5Central Computers554.4★ (698)Santa Clara, 50 mi awaySat · SunMost reviews
6Radtech Solutions555.0★ (12)San Jose, 50 mi awaySat · Sun · Evenings—
7SafeAeon Inc.554.7★ (14)Pleasanton, 73 mi awaySat · Sun · Evenings—
8TECHSOL554.9★ (169)Marina, 14 mi awaySat · Evenings—
9Central Computers554.5★ (506)Sunnyvale, 54 mi awaySat · Sun—
10Pure Stack, Inc.555.0★ (24)Fremont, 66 mi awaySat · Evenings—

The 122 best cybersecurity companies in Monterey, 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 Monterey

    Based in Sunnyvale, 55 mi away

    59/100IFR Score

    Ranked #1 because of its Google rating and service focus: 4.2★ from 96 Google reviews, listed on Google as “Computer security service”.

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

    • 4.2★ from 96 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    925 W Maude Ave, Sunnyvale, CA 94085
  2. Based in Santa Clara, 54 mi away

    59/100IFR Score

    Ranked #2 because of its Google rating and service focus: 4.6★ from 82 Google reviews, listed on Google as “Computer security service”.

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

    • 4.6★ from 82 Google reviews
    Hours
    Mon–Fri 5 AM–8 PM · Sat–Sun 10 AM–3 PM
    Address
    3000 Tannery Way, Santa Clara, CA 95054
  3. 57/100IFR Score

    Ranked #3 because of its Google rating and service focus: 5.0★ from 78 Google reviews, listed on Google as “Computer support and services”.

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

    • 5.0★ from 78 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    3150 De La Cruz Blvd #202, Santa Clara, CA 95054
  4. Based in Santa Clara, 55 mi away

    57/100IFR Score

    Ranked #4 because of its Google rating and service focus: 3.8★ from 38 Google reviews, listed on Google as “Computer security service”.

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

    • 3.8★ from 38 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    4401 Great America Pkwy, Santa Clara, CA 95054
  5. Based in Santa Clara, 50 mi away

    55/100IFR Score

    Ranked #5 because of its Google rating and review volume: 4.4★ from 698 Google reviews, the most in Monterey.

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

    • 4.4★ from 698 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat–Sun 11 AM–5 PM
    Address
    3777 Stevens Creek Blvd, Santa Clara, CA 95051
  6. Based in San Jose, 50 mi away

    55/100IFR Score

    Ranked #6 because of its Google rating and service focus: 5.0★ from 12 Google reviews, listed on Google as “Computer security service”.

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

    • 5.0★ from 12 Google reviews
    Hours
    Mon–Fri 8 AM–7 PM · Sat–Sun 8 AM–12 PM
    Address
    3275 Stevens Creek Blvd Ste 345, San Jose, CA 95117
  7. Based in Pleasanton, 73 mi away

    55/100IFR Score

    Ranked #7 because of its Google rating and service focus: 4.7★ from 14 Google reviews, listed on Google as “Computer security service”.

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

    • 4.7★ from 14 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    6701 Koll Center Pkwy Ste 250, Pleasanton, CA 94566
  8. Based in Marina, 14 mi away

    55/100IFR Score

    Ranked #8 because of its Google rating and review volume: 4.9★ from 169 Google reviews.

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

    • 4.9★ from 169 Google reviews
    Hours
    Mon–Sat 1 PM–7 PM · Sun closed
    Address
    10901 Merritt St, Castroville, CA 95012
  9. Based in Sunnyvale, 54 mi away

    55/100IFR Score

    Ranked #9 because of its Google rating and review volume: 4.5★ from 506 Google reviews.

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

    • 4.5★ from 506 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat–Sun 11 AM–5 PM
    Address
    510 Lawrence Expy Ste 106-107, Sunnyvale, CA 94085
  10. Based in Fremont, 66 mi away

    55/100IFR Score

    Ranked #10 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–Sat 7 AM–7 PM · Sun closed
    Address
    41111 Mission Blvd Suite 246, Fremont, CA 94539
  11. Based in Watsonville, 24 mi away

    54/100IFR Score

    Ranked #11 because of its Google rating and review volume: 4.9★ from 155 Google reviews.

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

    • 4.9★ from 155 Google reviews
    Hours
    Mon–Fri 11 AM–7 PM · Sat 12 PM–7 PM · Sun closed
    Address
    1485 Freedom Blvd, Watsonville, CA 95076
  12. #12 ITque

    Based in Campbell, 48 mi away

    54/100IFR Score

    Ranked #12 because of its Google rating and service focus: 5.0★ from 22 Google reviews, listed on Google as “Computer security service”.

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

    • 5.0★ from 22 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    Address
    1875 S Bascom Ave #2400, Campbell, CA 95008
  13. Based in San Mateo, 69 mi away

    54/100IFR Score

    Ranked #13 because of its Google rating and review volume: 4.6★ from 422 Google reviews.

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

    • 4.6★ from 422 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat–Sun 11 AM–5 PM
    Address
    2727 S El Camino Real, San Mateo, CA 94403
  14. Based in Monterey

    54/100IFR Score

    Ranked #14 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–Thu 8 AM–5 PM · Fri 9 AM–5 PM · Sat–Sun closed
    Address
    5 Harris Ct Ste N4C, Monterey, CA 93940
  15. Based in Foster City, 70 mi away

    53/100IFR Score

    Ranked #15 because of its Google rating and service focus: 4.6★ from 20 Google reviews, listed on Google as “Computer security service”.

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

    • 4.6★ from 20 Google reviews
    Address
    1051 E Hillsdale Blvd 4th Floor, Foster City, CA 94404
  16. 53/100IFR Score

    Ranked #16 because of its Google rating and service focus: 4.9★ from 25 Google reviews, listed on Google as “Computer support and services”.

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

    • 4.9★ from 25 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    2051 Junction Ave Ste 210, San Jose, CA 95131
  17. Based in Mountain View, 56 mi away

    53/100IFR Score

    Ranked #17 because of its Google rating and service focus: 3.9★ from 18 Google reviews, listed on Google as “Computer security service”.

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

    • 3.9★ from 18 Google reviews
    Hours
    Mon–Fri 12 AM–12 AM · Sat–Sun closed
    Address
    444 Castro St #400, Mountain View, CA 94041
  18. Based in San Jose, 50 mi away

    53/100IFR Score

    Ranked #18 because of its Google rating and service focus: 4.5★ from 22 Google reviews, listed on Google as “Computer security service”.

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

    • 4.5★ from 22 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    300 Santana Row Ste 400, San Jose, CA 95128
  19. Based in San Jose, 50 mi away

    53/100IFR Score

    Ranked #19 because of its Google rating and review volume: 5.0★ from 236 Google reviews.

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

    • 5.0★ from 236 Google reviews
    Hours
    Mon–Fri 8:30 AM–5:30 PM · Sat–Sun closed
    Address
    Plaza West, 3031 Tisch Way Suite 110, #1079, San Jose, CA 95128
  20. Based in Fremont, 65 mi away

    52/100IFR Score

    Ranked #21 because of its Google rating and service focus: 5.0★ from 3 Google reviews, listed on Google as “Computer security service”.

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

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    41495 Timber Creek Terrace, Fremont, CA 94539
  21. #22 Ghosxt

    Based in Salinas, 17 mi away

    52/100IFR Score

    Ranked #22 because of its Google rating and review volume: 5.0★ from 30 Google reviews.

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

    • 5.0★ from 30 Google reviews
    Hours
    Mon–Fri 8 AM–9 PM · Sat–Sun 9 AM–8 PM
    Address
    842 Bermuda Way, Salinas, CA 93905
  22. 52/100IFR Score

    Ranked #23 because of its Google rating and service focus: 5.0★ from 50 Google reviews, listed on Google as “Computer support and services”.

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

    • 5.0★ from 50 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    6461 Little Falls Dr, San Jose, CA 95120
  23. Based in Gilroy, 33 mi away

    52/100IFR Score

    Ranked #24 because of its Google rating and review volume: 4.6★ from 133 Google reviews.

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

    • 4.6★ from 133 Google reviews
    Hours
    Mon–Fri 1 PM–7 PM · Sat 1 PM–6 PM · Sun closed
    Address
    7454 Monterey Rd, Gilroy, CA 95020

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 122 ranked cybersecurity companies here; the rest are on their profiles.

cybersecurity companies in Monterey, ranks 26 to 50
RankBusinessIFR ScoreGoogle ratingDistance
26GSDSolutions525.0★ (42)55 mi
27Deepwatch524.4★ (7)59 mi
28PlanetMagpie IT Support514.3★ (17)60 mi
29LevelUp MSP - Managed IT Services San Jose514.9★ (42)55 mi
30CMIT Solutions SW Silicon Valley514.6★ (9)48 mi
31Quick Fix Computer Services514.6★ (195)56 mi
32ClickAway Tech Repair & IT Services Sunnyvale514.3★ (301)53 mi
33Atlantic Computer Systems515.0★ (13)71 mi
34TeamLogic IT515.0★ (7)50 mi
35Balbix513.8★ (4)50 mi
36Foster Brothers Security Systems514.8★ (184)54 mi
37Computer Experts Corp.514.9★ (42)47 mi
38DeepSAFE Technology515.0★ (3)50 mi
39Nationwide Analytics505.0★ (3)72 mi
40WhiteHat Security, Inc.504.3★ (8)53 mi
41Quick IT Solutions Inc. - Fremont 510505.0★ (50)64 mi
42Fiji IT Solutions504.8★ (26)55 mi
43JustWorks Computer Services503.3★ (7)48 mi
44Fortifire Inc505.0★ (3)61 mi
45User Friendly Computing504.7★ (42)28 mi
46Cyberdata Corporation495.0★ (3)In Monterey
47Attivo Networks494.8★ (5)61 mi
48Cavirin Systems, Inc495.0★ (4)55 mi
49Stellar Cyber494.8★ (4)54 mi
50AlienVault495.0★ (3)69 mi

Also serving Monterey

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 Monterey
BusinessGoogle ratingDistance
Dicar Networks5.0★ (2)40 mi
DominoComp5.0★ (2)55 mi
E-Waste Security | Hard Drive Shredding5.0★ (2)48 mi
Evocative Data Centers Santa Clara Facility (SJC11)4.5★ (2)55 mi
Insider Threat SummitIn Monterey
IT Solution ServicesIn Monterey
ITMC5.0★ (2)54 mi
KalioTek2.5★ (2)50 mi
Mitchell Technologies4.8★ (24)In Monterey
Monterey Computer Corporation4.6★ (11)In Monterey
Monterey SolutionsIn Monterey
Monterey Technology Support5.0★ (17)In Monterey
Myers Network Solutions5.0★ (2)49 mi
Rayne Technology Solutions5.0★ (7)In Monterey
Security MentorIn Monterey
Skyline Advanced Technology Services5.0★ (2)54 mi
Taylored Technology5.0★ (3)In Monterey
Tru Technical Partners Inc.5.0★ (2)48 mi
Vast Edge Inc4.5★ (2)52 mi
Wireflare5.0★ (2)In Monterey

How we ranked Monterey cybersecurity companies

We scored 122 Monterey 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 Monterey 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 Monterey: frequently asked questions

Who is the best cybersecurity company in Monterey?

By IFR Score, the highest-ranked cybersecurity company in Monterey, CA is Proofpoint Inc with an IFR Score of 59/100. It has 4.2★ from 96 Google reviews. It is open 7 days a week. Palo Alto Networks Inc (#2) and Network Remedy - IT Support, IT Security & Managed IT Services (#3) follow. We ranked 122 cybersecurity companies on nine factors, last updated November 9, 2026.

How many cybersecurity companies are there in Monterey?

ITFirmsRanked ranks 122 cybersecurity companies serving Monterey, CA. 2 of them are based in Monterey; 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 Monterey work on weekends?

40 of 122 ranked cybersecurity companies post Saturday hours and 31 post Sunday hours. The highest-ranked open Saturdays are Proofpoint Inc (#1), Palo Alto Networks Inc (#2) and Network Remedy - IT Support, IT Security & Managed IT Services (#3). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Monterey cybersecurity companies have?

The median Google rating among 122 rated cybersecurity companies in Monterey is 4.9★, with a median of 14 reviews. Central Computers has the most, 698 reviews, and ranks #5. 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 Monterey count in this ranking?

Yes, if they are within 75 mi of the Monterey 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 Monterey 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 Monterey

  1. November 2026: IFR Scores recalculated for 122 cybersecurity companies serving Monterey.
  2. November 2026: 1 duplicate listing merged.