Skip to content

Best Cybersecurity Companies in Cape Girardeau, MO (2026)

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

The short answer

  1. 1

    Best overall in Cape Girardeau: Megabytes, IFR Score 55/100; 4.9★ from 71 Google reviews.

  2. 2

    Most-reviewed: Mayer Networks, 25 Google reviews at 4.6★, the most of 10 ranked after Megabytes; ranked #2.

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

10 Cape Girardeau cybersecurity companies are ranked here by IFR Score, from nine published factors. 2 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.9★ across 10 rated IT firms.

Top 10 cybersecurity companies in Cape Girardeau at a glance

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

Top 10 cybersecurity companies in Cape Girardeau at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1Megabytes554.9★ (71)Herrin, 44 mi away—Overall
2Mayer Networks514.6★ (25)Carbondale, 34 mi away—Most reviews
3Nextgen Solutions Inc.505.0★ (22)Marion, 41 mi away——
4SINC - IT Services and Support for over 14 years.504.8★ (20)Carbondale, 33 mi away——
5LOLPAX495.0★ (3)Sikeston, 24 mi awaySat · Sun · Evenings—
6CapeFix484.5★ (4)Cape Girardeau——
7XBS Digital - Paducah474.9★ (12)Paducah, 52 mi away——
8CyberFix, LLC463.0★ (4)Herrin, 42 mi away——
9JG Computers465.0★ (4)Paducah, 59 mi awaySat · Sun—
10CDS Office Technologies445.0★ (4)Marion, 42 mi away——

The 10 best cybersecurity companies in Cape Girardeau, 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 Cape Girardeau

    Based in Herrin, 44 mi away

    55/100IFR Score

    Ranked #1 because of its Google rating and review volume: 4.9★ from 71 Google reviews, the most in Cape Girardeau.

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

    • 4.9★ from 71 Google reviews
    Hours
    Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
    Address
    308 N 16th St, Herrin, IL 62948
  2. Based in Carbondale, 34 mi away

    51/100IFR Score

    Ranked #2 because of its Google rating and review volume: 4.6★ from 25 Google reviews.

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

    • 4.6★ from 25 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    304 E Walnut St, Carbondale, IL 62901
  3. Based in Marion, 41 mi away

    50/100IFR Score

    Ranked #3 because of its Google rating and review volume: 5.0★ from 22 Google reviews.

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

    • 5.0★ from 22 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    4501 W Deyoung St Ste 104B, Marion, IL 62959
  4. Based in Sikeston, 24 mi away

    49/100IFR Score

    Ranked #5 because of its Google rating and service focus: 5.0★ from 3 Google reviews, listed on Google as “Computer repair service”.

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

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
  5. Based in Cape Girardeau

    48/100IFR Score

    Ranked #6 because of its Google rating and service focus: 4.5★ from 4 Google reviews, listed on Google as “Computer repair service”.

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

    • 4.5★ from 4 Google reviews
    Address
    426 Bellevue St, Cape Girardeau, MO 63701
  6. Based in Paducah, 52 mi away

    47/100IFR Score

    Ranked #7 because of its Google rating and review volume: 4.9★ from 12 Google reviews.

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

    • 4.9★ from 12 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1620 Kentucky Ave, Paducah, KY 42003
  7. Based in Herrin, 42 mi away

    46/100IFR Score

    Ranked #8 because of its Google rating and service focus: 3.0★ from 4 Google reviews, listed on Google as “Computer repair service”.

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

    • 3.0★ from 4 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    200 N Pershing St, Energy, IL 62933
  8. Based in Paducah, 59 mi away

    46/100IFR Score

    Ranked #9 because of its Google rating and service focus: 5.0★ from 4 Google reviews, listed on Google as “Computer repair service”.

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

    • 5.0★ from 4 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat–Sun 9 AM–3 PM
  9. Based in Marion, 42 mi away

    44/100IFR Score

    Ranked #10 because of its Google rating and service focus: 5.0★ from 4 Google reviews, listed on Google as “Computer support and services”.

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

    • 5.0★ from 4 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    3909 W Ernestine Ln, Marion, IL 62959

Also serving Cape Girardeau

10 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 Cape Girardeau
BusinessGoogle ratingDistance
B9 Security, LLC53 mi
BAT Consulting LLC37 mi
CPU Inc.5.0★ (1)In Cape Girardeau
Digital Safety62 mi
Digital SentryIn Cape Girardeau
Konica Minolta Business Solutions41 mi
Technology & Networking Inc. dba Broadtek4.6★ (5)In Cape Girardeau
Total Tech Solutions LLC5.0★ (1)66 mi
Velosity Electronics4.3★ (115)In Cape Girardeau
Visual Edge IT Paducah, Kentucky5.0★ (1)51 mi

How we ranked Cape Girardeau cybersecurity companies

We scored 10 Cape Girardeau 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 Cape Girardeau 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 Cape Girardeau: frequently asked questions

Who is the best cybersecurity company in Cape Girardeau?

By IFR Score, the highest-ranked cybersecurity company in Cape Girardeau, MO is Megabytes with an IFR Score of 55/100. It has 4.9★ from 71 Google reviews. Mayer Networks (#2) and Nextgen Solutions Inc. (#3) follow. We ranked 10 cybersecurity companies on nine factors, last updated November 9, 2026.

How many cybersecurity companies are there in Cape Girardeau?

ITFirmsRanked ranks 10 cybersecurity companies serving Cape Girardeau, MO. 1 of them is based in Cape Girardeau; the rest serve it from nearby towns. Another 10 within 75 mi are listed but not ranked yet. Counts are as of November 2026.

Which cybersecurity companies in Cape Girardeau work on weekends?

2 of 10 ranked cybersecurity companies post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are LOLPAX (#5) and JG Computers (#9). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Cape Girardeau cybersecurity companies have?

The median Google rating among 10 rated cybersecurity companies in Cape Girardeau is 4.9★, with a median of 8 reviews. Megabytes has the most, 71 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 Cape Girardeau count in this ranking?

Yes, if they are within 75 mi of the Cape Girardeau 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 Cape Girardeau 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 Cape Girardeau

  1. November 2026: IFR Scores recalculated for 10 cybersecurity companies serving Cape Girardeau.