Skip to content

Best Cybersecurity Companies in Mira Mesa, CA (2026)

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

The short answer

  1. 1

    Best overall in Mira Mesa: FIT Solutions, IFR Score 67/100; 5.0★ from 634 Google reviews.

  2. 2

    Most-reviewed: KME Systems, 389 Google reviews at 5.0★, the most of 271 ranked after FIT Solutions; ranked #2.

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

271 Mira Mesa cybersecurity companies are ranked here by IFR Score, from nine published factors. 104 open Saturdays and 78 open Sundays, based on posted hours. The median Google rating is 5.0★ across 271 rated IT firms.

Most of this list also appears on the Cybersecurity companies in San Diego ranking. See Cybersecurity companies in San Diego

Top 10 cybersecurity companies in Mira Mesa at a glance

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

Top 10 cybersecurity companies in Mira Mesa at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1FIT Solutions675.0★ (634)San Diego, 14 mi away—Overall
2KME Systems625.0★ (389)Irvine, 60 mi away—Most reviews
3Dark Raven Labs, LLC.624.9★ (12)Carlsbad, 1 mi awaySat · Sun · Evenings—
4Xonicwave615.0★ (84)San Diego, 10 mi away——
5Buzz Cybersecurity - Irvine Managed IT Services614.8★ (72)Irvine, 66 mi awaySat · Sun · Evenings—
6Fidelity Security Solutions615.0★ (13)Escondido, 15 mi awaySat · Sun · Evenings—
7Fusion Factor Corporation604.9★ (9)San Marcos, 16 mi awaySat · Sun · Evenings—
8eIRONclad Technology Solutions594.3★ (7)San Diego, 8 mi awaySat · Sun · Evenings—
9San Diego IT Support595.0★ (189)Coronado, 19 mi awaySat · Sun · Evenings—
10AUTOMATES595.0★ (177)National City, 18 mi awaySat · Sun · Evenings—

The 271 best cybersecurity companies in Mira Mesa, 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 Mira Mesa

    Based in San Diego, 14 mi away

    67/100IFR Score

    Ranked #1 because of its Google rating and review volume: 5.0★ from 634 Google reviews, the most in Mira Mesa.

    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
  2. Based in Irvine, 60 mi away

    62/100IFR Score

    Ranked #2 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
  3. Based in Carlsbad, 1 mi away

    62/100IFR Score

    Ranked #3 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
  4. Based in San Diego, 10 mi away

    61/100IFR Score

    Ranked #4 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
  5. Based in Escondido, 15 mi away

    61/100IFR Score

    Ranked #6 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
  6. Based in San Marcos, 16 mi away

    60/100IFR Score

    Ranked #7 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
  7. Based in National City, 18 mi away

    59/100IFR Score

    Ranked #10 because of its Google rating and review volume: 5.0★ from 177 Google reviews.

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

    • 5.0★ from 177 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    2434 Southport Way D, National City, CA 91950
  8. Based in San Diego, 6 mi away

    59/100IFR Score

    Ranked #11 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.

    • 5.0★ from 27 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    8265 Vickers St Ste A, San Diego, CA 92111
  9. Based in Lakeside, 15 mi away

    59/100IFR Score

    Ranked #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.

    • 5.0★ from 234 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun 8 AM–5 PM
    Address
    8722 Vanguard Pl, Lakeside, CA 92040
  10. Based in San Diego, 5 mi away

    59/100IFR Score

    Ranked #13 because of its Google rating and review volume: 4.9★ from 116 Google reviews.

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

    • 4.9★ from 116 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    6336 Greenwich Dr # B, San Diego, CA 92122
  11. Based in Costa Mesa, 68 mi away

    58/100IFR Score

    Ranked #14 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
  12. Based in San Diego, 6 mi away

    58/100IFR Score

    Ranked #16 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 8 AM–5 PM · Sat–Sun closed
    Address
    9089 Clairemont Mesa Blvd Ste 105, San Diego, CA 92123
  13. #17 i-NETT

    Based in San Diego, 8 mi away

    58/100IFR Score

    Ranked #17 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.

    • 4.7★ from 3 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    9655 Granite Ridge Dr #200, San Diego, CA 92123
  14. Based in Santa Ana, 69 mi away

    58/100IFR Score

    Ranked #18 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
  15. Based in Coronado, 19 mi away

    57/100IFR Score

    Ranked #19 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
  16. Based in San Diego, 6 mi away

    57/100IFR Score

    Ranked #20 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–5 PM · Sat–Sun closed
    Address
    5636 Ruffin Rd, San Diego, CA 92123
  17. Based in San Diego, 14 mi away

    57/100IFR Score

    Ranked #22 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.

    • 4.0★ from 7 Google reviews
    Hours
    Mon–Fri 5 AM–6 PM · Sat–Sun 10 AM–4 PM
    Address
    350 Tenth Ave #1000, San Diego, CA 92101
  18. #23 QLAN

    Based in Irvine, 61 mi away

    57/100IFR Score

    Ranked #23 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
  19. #25 Alvaka

    Based in Irvine, 68 mi away

    57/100IFR Score

    Ranked #25 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

How we ranked Mira Mesa cybersecurity companies

We scored 271 Mira Mesa 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 Mira Mesa 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 Mira Mesa: frequently asked questions

Who is the best cybersecurity company in Mira Mesa?

By IFR Score, the highest-ranked cybersecurity company in Mira Mesa, CA is FIT Solutions with an IFR Score of 67/100. It has 5.0★ from 634 Google reviews. KME Systems (#2) and Dark Raven Labs, LLC. (#3) follow. We ranked 271 cybersecurity companies on nine factors, last updated November 9, 2026.

How many cybersecurity companies are there in Mira Mesa?

ITFirmsRanked ranks 271 cybersecurity companies serving Mira Mesa, CA. 1 of them is based in Mira Mesa; the rest serve it from nearby towns. Counts are as of November 2026.

Which cybersecurity companies in Mira Mesa work on weekends?

104 of 271 ranked cybersecurity companies post Saturday hours and 78 post Sunday hours. The highest-ranked open Saturdays are Dark Raven Labs, LLC. (#3), Buzz Cybersecurity - Irvine Managed IT Services (#5) and Fidelity Security Solutions (#6). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Mira Mesa cybersecurity companies have?

The median Google rating among 271 rated cybersecurity companies in Mira Mesa 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 Mira Mesa count in this ranking?

Yes, if they are within 75 mi of the Mira Mesa 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 Mira Mesa 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 Mira Mesa

  1. November 2026: IFR Scores recalculated for 271 cybersecurity companies serving Mira Mesa.
  2. November 2026: 2 duplicate listings merged.