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Best Cybersecurity Companies in Atwater, CA (2026)

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

The short answer

  1. 1

    Best overall in Atwater: GSDSolutions, IFR Score 59/100; 4.8★ from 18 Google reviews; open 7 days a week.

  2. 10

    Most-reviewed: Central Computers, 698 Google reviews at 4.4★, the most of 133 ranked; ranked #10.

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

133 Atwater cybersecurity companies are ranked here by IFR Score, from nine published factors. 41 open Saturdays and 31 open Sundays, based on posted hours. The median Google rating is 5.0★ across 133 rated IT firms.

Top 10 cybersecurity companies in Atwater at a glance

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

Top 10 cybersecurity companies in Atwater at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1GSDSolutions594.8★ (18)Modesto, 29 mi awaySat · Sun · EveningsOverall
2Nerds On Call574.8★ (591)Fresno, 59 mi awaySat · Sun · Evenings—
3Turlock Computer Repair565.0★ (120)Turlock, 17 mi awaySat · Sun—
4Network Remedy - IT Support, IT Security & Managed IT Services565.0★ (78)Santa Clara, 73 mi awaySat · Sun · Evenings—
5SafeAeon Inc.554.7★ (14)Pleasanton, 74 mi awaySat · Sun · Evenings—
6RyanTech554.6★ (20)Modesto, 29 mi away——
7Pure Stack, Inc.545.0★ (24)Fremont, 74 mi awaySat · Evenings—
8Radtech Solutions545.0★ (12)San Jose, 74 mi awaySat · Sun · Evenings—
9Maguroblue Automation545.0★ (4)Modesto, 26 mi away——
10Central Computers544.4★ (698)Santa Clara, 75 mi awaySat · SunMost reviews

The 133 best cybersecurity companies in Atwater, 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 Atwater

    Based in Modesto, 29 mi away

    59/100IFR Score

    Ranked #1 because of its Google rating and service focus: 4.8★ from 18 Google reviews, listed on Google as “Computer security service”.

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

    • 4.8★ from 18 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    931 10th St Ste 610, Modesto, CA 95354
  2. Based in Fresno, 59 mi away

    57/100IFR Score

    Ranked #2 because of its Google rating and review volume: 4.8★ from 591 Google reviews.

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

    • 4.8★ from 591 Google reviews
    Hours
    Mon–Fri 8 AM–7 PM · Sat–Sun 9 AM–5 PM
    Address
    6753 N Cedar Ave, Fresno, CA 93710
  3. Based in Turlock, 17 mi away

    56/100IFR Score

    Ranked #3 because of its Google rating and review volume: 5.0★ from 120 Google reviews.

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

    • 5.0★ from 120 Google reviews
    Hours
    Mon–Fri 9:30 AM–6 PM · Sat 10 AM–2 PM · Sun 9:30 AM–2 PM
    Address
    2101 Geer Rd Ste 101, Turlock, CA 95382
  4. 56/100IFR Score

    Ranked #4 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
  5. Based in Pleasanton, 74 mi away

    55/100IFR Score

    Ranked #5 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
  6. Based in Modesto, 29 mi away

    55/100IFR Score

    Ranked #6 because of its Google rating and service focus: 4.6★ from 20 Google reviews, listed on Google as “Computer security service”.

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

    • 4.6★ from 20 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    Address
    931 10th St, Modesto, CA 95354
  7. Based in Fremont, 74 mi away

    54/100IFR Score

    Ranked #7 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
  8. Based in San Jose, 74 mi away

    54/100IFR Score

    Ranked #8 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
  9. Based in Santa Clara, 75 mi away

    54/100IFR Score

    Ranked #10 because of its Google rating and review volume: 4.4★ from 698 Google reviews, the most in Atwater.

    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
  10. Based in Fresno, 61 mi away

    53/100IFR Score

    Ranked #11 because of its Google rating and service focus: 5.0★ from 20 Google reviews, listed on Google as “Computer security service”.

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

    • 5.0★ from 20 Google reviews
    Hours
    Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
    Address
    3248 E Shields Ave # E, Fresno, CA 93726
  11. Based in Clovis, 62 mi away

    53/100IFR Score

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

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

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Sun 7 AM–6 PM
    Address
    55 Shaw Ave #209, Clovis, CA 93612
  12. #14 ITque

    Based in Campbell, 73 mi away

    53/100IFR Score

    Ranked #14 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. 52/100IFR Score

    Ranked #15 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
  14. Based in Modesto, 32 mi away

    52/100IFR Score

    Ranked #16 because of its Google rating and review volume: 4.7★ from 125 Google reviews.

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

    • 4.7★ from 125 Google reviews
    Hours
    Mon closed · Tue–Sat 10 AM–5 PM · Sun closed
    Address
    3321 McHenry Ave Ste A1, Modesto, CA 95350
  15. Based in Fremont, 75 mi away

    52/100IFR Score

    Ranked #17 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
  16. Based in Fresno, 59 mi away

    52/100IFR Score

    Ranked #18 because of its Google rating and service focus: 4.8★ from 11 Google reviews, listed on Google as “Computer security service”.

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

    • 4.8★ from 11 Google reviews
    Hours
    Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
    Address
    5380 N Fresno St #105, Fresno, CA 93710
  17. Based in San Jose, 74 mi away

    52/100IFR Score

    Ranked #19 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
  18. Based in Fresno, 60 mi away

    51/100IFR Score

    Ranked #20 because of its Google rating and review volume: 5.0★ from 96 Google reviews.

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

    • 5.0★ from 96 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 10 AM–4 PM · Sun closed
    Address
    4025 N Fresno St #107, Fresno, CA 93726
  19. Based in Watsonville, 70 mi away

    51/100IFR Score

    Ranked #21 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
  20. Based in Pleasanton, 75 mi away

    51/100IFR Score

    Ranked #22 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–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    4695 Chabot Dr STE 200, Pleasanton, CA 94588
  21. Based in San Jose, 74 mi away

    51/100IFR Score

    Ranked #23 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
  22. Based in Fresno, 61 mi away

    51/100IFR Score

    Ranked #24 because of its Google rating and service focus: 5.0★ from 8 Google reviews, listed on Google as “Computer security service”.

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

    • 5.0★ from 8 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1035 E Olive Ave, Fresno, CA 93728
  23. Based in Fremont, 73 mi away

    51/100IFR Score

    Ranked #25 because of its Google rating and service focus: 4.3★ from 17 Google reviews, listed on Google as “Computer security service”.

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

    • 4.3★ from 17 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    2762 Bayview Dr, Fremont, CA 94538

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

cybersecurity companies in Atwater, ranks 26 to 50
RankBusinessIFR ScoreGoogle ratingDistance
26TECHSOL514.9★ (169)75 mi
27ClickAway Tech Repair & IT Services Campbell514.5★ (257)74 mi
28LevelUp MSP - Managed IT Services San Jose504.9★ (42)71 mi
29CIO Solutions504.5★ (8)60 mi
30Sagacent Technologies - Managed IT & Cybersecurity Services505.0★ (50)70 mi
31GoodSuite504.9★ (127)56 mi
32Robot Shark504.6★ (133)58 mi
33CMIT Solutions SW Silicon Valley504.6★ (9)73 mi
34Moji Technologies505.0★ (48)29 mi
35Quick IT Solutions Inc. - Fremont 510505.0★ (50)73 mi
36TeamLogic IT505.0★ (7)74 mi
37Balbix493.8★ (4)74 mi
38WhiteHat Security, Inc.494.3★ (8)72 mi
39Fortifire Inc495.0★ (3)74 mi
40Red Box Business Solutions Inc495.0★ (40)72 mi
41New Era Technology492.6★ (5)75 mi
42Attivo Networks494.8★ (5)74 mi
43Cavirin Systems, Inc495.0★ (4)71 mi
44Alshamm Computer and Electronic repair493.7★ (35)7 mi
45JustWorks Computer Services483.3★ (7)72 mi
46Ghosxt485.0★ (30)71 mi
47Stellar Cyber484.8★ (4)72 mi
48Skyhigh Security483.8★ (5)73 mi
49AK Solutions Computer Consulting485.0★ (16)74 mi
50Flexis IT484.0★ (4)73 mi

Also serving Atwater

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 Atwater
BusinessGoogle ratingDistance
Allied Universal Technology Services1.0★ (2)70 mi
Avocado Systems5.0★ (2)71 mi
Breadcrumb Cybersecurity4.5★ (2)57 mi
DataTechDB - PC & Network Solutions5.0★ (1)20 mi
Dicar Networks5.0★ (2)58 mi
DominoComp5.0★ (2)71 mi
DR Help Tech5.0★ (2)72 mi
E-Waste Security | Hard Drive Shredding5.0★ (2)71 mi
Evocative Data Centers Santa Clara Facility (SJC11)4.5★ (2)74 mi
Infobond Inc5.0★ (2)73 mi
Myers Network Solutions5.0★ (2)74 mi
nDataStor - San Jose5.0★ (2)73 mi
Network Defenders5.0★ (2)58 mi
Ridgeline IT Solutions5.0★ (1)31 mi
Sierra One Consulting5.0★ (1)In Atwater
Skyline Advanced Technology Services5.0★ (2)72 mi
TMProsIn Atwater
Tru Technical Partners Inc.5.0★ (2)74 mi
Valley Tech, LLC4.5★ (2)32 mi
Valley Techlogic4.9★ (48)In Atwater

How we ranked Atwater cybersecurity companies

We scored 133 Atwater 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 Atwater 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 Atwater: frequently asked questions

Who is the best cybersecurity company in Atwater?

By IFR Score, the highest-ranked cybersecurity company in Atwater, CA is GSDSolutions with an IFR Score of 59/100. It has 4.8★ from 18 Google reviews. It is open 7 days a week. Nerds On Call (#2) and Turlock Computer Repair (#3) follow. We ranked 133 cybersecurity companies on nine factors, last updated November 9, 2026.

How many cybersecurity companies are there in Atwater?

ITFirmsRanked ranks 133 cybersecurity companies serving Atwater, CA. Another 20 within 75 mi are listed but not ranked yet. Counts are as of November 2026.

Which cybersecurity companies in Atwater work on weekends?

41 of 133 ranked cybersecurity companies post Saturday hours and 31 post Sunday hours. The highest-ranked open Saturdays are GSDSolutions (#1), Nerds On Call (#2) and Turlock Computer Repair (#3). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Atwater cybersecurity companies have?

The median Google rating among 133 rated cybersecurity companies in Atwater is 5.0★, with a median of 12 reviews. Central Computers has the most, 698 reviews, and ranks #10. 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 Atwater count in this ranking?

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

  1. November 2026: IFR Scores recalculated for 133 cybersecurity companies serving Atwater.
  2. November 2026: 2 duplicate listings merged.