68/100IFR Score
Ranked #1 because of its Google rating and review volume: 5.0★ from 634 Google reviews, the most in San Diego.
Based on 8 of 9 factors; recency not yet collected.
Best Cybersecurity Companies in San Diego, CA (2026)
172 cybersecurity companies ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in San Diego: FIT Solutions, IFR Score 68/100; 5.0★ from 634 Google reviews.
- 47
Most-reviewed: Temecula Tech Studio - Computer & Apple Services, 439 Google reviews at 4.8★, the most of 172 ranked after FIT Solutions; ranked #47.
Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank
172 San Diego cybersecurity companies are ranked here by IFR Score, from nine published factors. 62 open Saturdays and 46 open Sundays, based on posted hours. The median Google rating is 5.0★ across 172 rated IT firms.
Top 10 cybersecurity companies in San Diego at a glance
Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.
| Rank | Business | IFR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | FIT Solutions | 68 | 5.0★ (634) | San Diego | — | Overall |
| 2 | Xonicwave | 62 | 5.0★ (84) | San Diego | — | — |
| 3 | KME Systems | 61 | 5.0★ (389) | Irvine, 71 mi away | — | — |
| 4 | Dark Raven Labs, LLC. | 61 | 4.9★ (12) | Carlsbad, 14 mi away | Sat · Sun · Evenings | — |
| 5 | AUTOMATES | 60 | 5.0★ (177) | National City, 5 mi away | Sat · Sun · Evenings | — |
| 6 | eIRONclad Technology Solutions | 60 | 4.3★ (7) | San Diego | Sat · Sun · Evenings | — |
| 7 | Fidelity Security Solutions | 60 | 5.0★ (13) | Escondido, 29 mi away | Sat · Sun · Evenings | — |
| 8 | Meriplex | San Diego, CA | 59 | 5.0★ (27) | San Diego | — | — |
| 9 | Skyriver IT | 59 | 4.9★ (116) | San Diego | Sat · Sun · Evenings | — |
| 10 | Fusion Factor Corporation | 59 | 4.9★ (9) | San Marcos, 29 mi away | Sat · Sun · Evenings | — |
The 172 best cybersecurity companies in San Diego, 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.
#2 Xonicwave
Based in San Diego
62/100IFR ScoreRanked #2 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.
#3 KME Systems
Based in Irvine, 71 mi away
61/100IFR ScoreRanked #3 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.
Based in Carlsbad, 14 mi away
61/100IFR ScoreRanked #4 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.
#5 AUTOMATES
Based in National City, 5 mi away
60/100IFR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 177 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in San Diego
60/100IFR ScoreRanked #6 because of its Google rating and service focus: 4.3★ from 7 Google reviews, listed on Google as “Computer security service”.
Based on 8 of 9 factors; recency not yet collected.
Based in Escondido, 29 mi away
60/100IFR ScoreRanked #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.
Based in San Diego
59/100IFR ScoreRanked #8 because of its Google rating and service focus: 5.0★ from 27 Google reviews, listed on Google as “Computer security service”.
Based on 8 of 9 factors; recency not yet collected.
#9 Skyriver IT
Based in San Diego
59/100IFR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 116 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in San Marcos, 29 mi away
59/100IFR ScoreRanked #10 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.
Based in Coronado, 28 mi away
59/100IFR ScoreRanked #11 because of its Google rating and review volume: 5.0★ from 189 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
#12 TechHub Direct
Based in Lakeside, 17 mi away
59/100IFR ScoreRanked #12 because of its Google rating and review volume: 5.0★ from 234 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
#13 i-NETT
Based in San Diego
58/100IFR ScoreRanked #13 because of its Google rating and service focus: 4.7★ from 3 Google reviews, listed on Google as “Computer security service”.
Based on 8 of 9 factors; recency not yet collected.
#14 TeamLogic IT
Based in San Diego
58/100IFR ScoreRanked #14 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.
#15 Enteracloud
Based in San Diego
58/100IFR ScoreRanked #15 because of its Google rating and service focus: 4.0★ from 7 Google reviews, listed on Google as “Computer security service”.
Based on 8 of 9 factors; recency not yet collected.
Based in San Diego
58/100IFR ScoreRanked #16 because of its Google rating and service focus: 5.0★ from 7 Google reviews, listed on Google as “Computer security service”.
Based on 7 of 9 factors; recency and availability not yet collected.
#17 Office1
Based in San Diego
58/100IFR ScoreRanked #17 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.
Based in El Cajon, 19 mi away
57/100IFR ScoreRanked #18 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.
Based in San Diego
57/100IFR ScoreRanked #19 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.
#20 TeamLogic IT
Based in San Diego
57/100IFR ScoreRanked #20 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.
Based in San Diego
57/100IFR ScoreRanked #21 because of its Google rating and review volume: 4.9★ from 388 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
#22 SpotLink
Based in San Diego
57/100IFR ScoreRanked #22 because of its Google rating and service focus: 5.0★ from 11 Google reviews, listed on Google as “Computer security service”.
Based on 8 of 9 factors; recency not yet collected.
Based in Coronado, 28 mi away
57/100IFR ScoreRanked #23 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.
#24 QLAN
Based in Irvine, 72 mi away
56/100IFR ScoreRanked #24 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.
Based in San Diego
56/100IFR ScoreRanked #25 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.
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 172 ranked cybersecurity companies here; the rest are on their profiles.
| Rank | Business | IFR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Network Antics IT Support & Consultants | 56 | 5.0★ (35) | In San Diego |
| 27 | Sephno Systems Inc | 56 | 5.0★ (9) | 6 mi |
| 28 | Greenman IT Support Inc. | 56 | 5.0★ (16) | 28 mi |
| 29 | San Diego IT Support and Managed IT Services Consulting - Secure Networks ITC | 56 | 4.4★ (10) | In San Diego |
| 30 | NetResults Technology Group | 56 | 5.0★ (4) | 8 mi |
| 31 | Bayotech | 56 | 5.0★ (33) | In San Diego |
| 32 | SD Network Pro | 56 | 5.0★ (11) | 14 mi |
| 33 | Sentek Global | 56 | 5.0★ (7) | In San Diego |
| 34 | centrexIT | 56 | 4.9★ (53) | 17 mi |
| 35 | Corporate Technologies | 56 | 4.7★ (40) | In San Diego |
| 36 | Pinnacle Access Inc. | 56 | 5.0★ (7) | In San Diego |
| 37 | Agile IT | 56 | 3.9★ (7) | In San Diego |
| 38 | K2 Staffing | 55 | 5.0★ (160) | 27 mi |
| 39 | M&E Computers | 55 | 4.9★ (106) | In San Diego |
| 40 | DC Computers | 55 | 4.5★ (184) | In San Diego |
| 41 | Easy Computer Solutions | 55 | 4.9★ (240) | 9 mi |
| 42 | Crown Computers | 55 | 5.0★ (183) | 11 mi |
| 43 | Bird Rock Systems Inc | 55 | 5.0★ (5) | In San Diego |
| 44 | Tx Systems Inc | 55 | 5.0★ (5) | In San Diego |
| 45 | TechiT Services | 55 | 5.0★ (119) | In San Diego |
| 46 | Avatar Website Design | 55 | 5.0★ (24) | 58 mi |
| 47 | Temecula Tech Studio - Computer & Apple Services | 55 | 4.8★ (439) | 55 mi |
| 48 | GRYHAT CYBERSECURITY | 55 | 5.0★ (5) | 69 mi |
| 49 | AMA Networks | 54 | 5.0★ (18) | In San Diego |
| 50 | SimpleTech IT Solutions Inc. | 54 | 4.6★ (5) | 8 mi |
Also serving San Diego
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.
| Business | Google rating | Distance |
|---|---|---|
| 619 IT | 5.0★ (17) | In San Diego |
| 724 IT | 5.0★ (10) | In San Diego |
| AnytechSD | San Diego IT Services | 4.9★ (124) | In San Diego |
| Better IT Services | 5.0★ (39) | In San Diego |
| Beyond20 - ITSM Consulting and ITIL Training in San Diego | 4.8★ (15) | In San Diego |
| Boot Networks Global Support Inc. | 5.0★ (13) | In San Diego |
| Ciprus Consulting | 4.9★ (34) | In San Diego |
| cloudIT | 4.6★ (27) | In San Diego |
| Coast Techs Consulting | 5.0★ (14) | In San Diego |
| Cre8tive Technology & Design | 3.9★ (8) | In San Diego |
| Data Net Solutions Group | 5.0★ (6) | In San Diego |
| Flagship Tech Services | 4.9★ (9) | In San Diego |
| Interlaced - San Diego | 5.0★ (32) | In San Diego |
| ITCM | 4.0★ (11) | In San Diego |
| Managed Solution | 5.0★ (79) | In San Diego |
| Parachute Technology Managed IT Services | 5.0★ (19) | In San Diego |
| TATEEDA | Custom Software Solutions | USA | 5.0★ (8) | In San Diego |
| Versa Computing | 4.9★ (7) | In San Diego |
| Wendego IT Solutions | 4.9★ (69) | In San Diego |
| Xceptional - Managed IT & Cloud Services San Diego | 4.6★ (10) | In San Diego |
How we ranked San Diego cybersecurity companies
We scored 172 San Diego 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.
| Factor | Weight | Computed from | In San Diego data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Review volume | 15% | Number of Google reviews, compared with the most-reviewed IT firm on the list | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday and 24/7 support | Measured |
| Service focus | 15% | How clearly the firm does this service (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The firm has claimed its IT Firms Ranked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The firm links to IT Firms Ranked from its own website with our badge, checked periodically | Measured |
| Client reviews | 10% | Verified client reviews collected by IT Firms Ranked: their rating and how many there are | Measured |
How to choose a cybersecurity company
- Ask whether monitoring is staffed around the clock by the firm itself or by a partner.
- Ask for a sample assessment or penetration-test report with client details removed.
- Check experience with your industry’s rules (for example HIPAA, PCI DSS or CMMC).
- Ask what the firm does in the first hour of an incident, and whether that is in the contract.
- Ask for two or three references from clients of your size and industry, and call them.
- 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 San Diego: frequently asked questions
Who is the best cybersecurity company in San Diego?
By IFR Score, the highest-ranked cybersecurity company in San Diego, CA is FIT Solutions with an IFR Score of 68/100. It has 5.0★ from 634 Google reviews. Xonicwave (#2) and KME Systems (#3) follow. We ranked 172 cybersecurity companies on nine factors, last updated November 9, 2026.
How many cybersecurity companies are there in San Diego?
ITFirmsRanked ranks 172 cybersecurity companies serving San Diego, CA. 28 of them are based in San Diego; 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 San Diego work on weekends?
62 of 172 ranked cybersecurity companies post Saturday hours and 46 post Sunday hours. The highest-ranked open Saturdays are Dark Raven Labs, LLC. (#4), AUTOMATES (#5) and eIRONclad Technology Solutions (#6). Posted hours are office hours; many firms also run an after-hours support line for contract clients.
What Google rating do San Diego cybersecurity companies have?
The median Google rating among 172 rated cybersecurity companies in San Diego is 5.0★, with a median of 13 reviews. FIT Solutions has the most, 634 reviews, and ranks #1. 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 San Diego count in this ranking?
Yes, if they are within 75 mi of the San Diego 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 San Diego 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 San Diego
- November 2026: IFR Scores recalculated for 172 cybersecurity companies serving San Diego.
- November 2026: 1 duplicate listing merged.
More cybersecurity companies and San Diego pages
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