Skip to content

Best Cybersecurity Companies in Mount Pleasant, TX (2026)

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

The short answer

  1. 1

    Best overall in Mount Pleasant: Datamax Inc. - Tyler, IFR Score 59/100; 4.8★ from 55 Google reviews.

  2. 3

    Most-reviewed: Integris, 136 Google reviews at 5.0★, the most of 20 ranked; ranked #3.

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

20 Mount Pleasant cybersecurity companies are ranked here by IFR Score, from nine published factors. 2 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 5.0★ across 20 rated IT firms.

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

Top 10 cybersecurity companies in Mount Pleasant at a glance

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

Top 10 cybersecurity companies in Mount Pleasant at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1Datamax Inc. - Tyler594.8★ (55)Tyler, 63 mi away—Overall
2Business IT Service Corps565.0★ (7)Sulphur Springs, 39 mi awaySat · Evenings—
3Integris555.0★ (136)Tyler, 62 mi away—Most reviews
4SidNetworks545.0★ (103)Tyler, 63 mi away——
5Steelcrest Security Inc523.6★ (7)Texarkana, 56 mi away——
6Patriot Information Security524.8★ (5)Tyler, 52 mi away——
7IT Cyber Solutions, LLC525.0★ (19)Longview, 47 mi away——
8Datamax Inc. - Sulphur Springs515.0★ (26)Sulphur Springs, 35 mi away——
9ETV Software504.4★ (66)Tyler, 60 mi away——
10Lexcom Systems Group505.0★ (10)Tyler, 60 mi awaySat · Sun · Evenings—

The 20 best cybersecurity companies in Mount Pleasant, 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.

Scores below: based on 8 of 9 factors; recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Mount Pleasant

    #1 Datamax Inc. - Tyler

    Based in Tyler, 63 mi away

    59/100IFR Score

    Ranked #1 because of its Google rating and service focus: 4.8★ from 55 Google reviews, listed on Google as “Computer security service”.

    • 4.8★ from 55 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    4545 Old Jacksonville Hwy, Tyler, TX 75703
    View profile for Datamax Inc. - Tyler(903) 939-2255

  3. #3 Integris

    Based in Tyler, 62 mi away

    55/100IFR Score

    Ranked #3 because of its Google rating and review volume: 5.0★ from 136 Google reviews, the most in Mount Pleasant.

    • 5.0★ from 136 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    821 E SE Loop 323 #410, Tyler, TX 75701
    View profile for Integris(903) 581-0922

  4. #4 SidNetworks

    Based in Tyler, 63 mi away

    54/100IFR Score

    Ranked #4 because of its Google rating and review volume: 5.0★ from 103 Google reviews.

    • 5.0★ from 103 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    5935 Old Bullard Rd #150, Tyler, TX 75703
    View profile for SidNetworks(903) 258-9299

  5. #5 Steelcrest Security Inc

    Based in Texarkana, 56 mi away

    52/100IFR Score

    Ranked #5 because of its Google rating and service focus: 3.6★ from 7 Google reviews, listed on Google as “Computer security service”.

    • 3.6★ from 7 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    3505 Summerhill Rd #15, Texarkana, TX 75503
    View profile for Steelcrest Security Inc(903) 838-5462

  7. #7 IT Cyber Solutions, LLC

    Based in Longview, 47 mi away

    52/100IFR Score

    Ranked #7 because of its Google rating and service focus: 5.0★ from 19 Google reviews, listed on Google as “Computer support and services”.

    • 5.0★ from 19 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    815 N Fourth St G, Longview, TX 75601
    View profile for IT Cyber Solutions, LLC(903) 480-0075

  9. #9 ETV Software

    Based in Tyler, 60 mi away

    50/100IFR Score

    Ranked #9 because of its Google rating and review volume: 4.4★ from 66 Google reviews.

    • 4.4★ from 66 Google reviews
    Hours
    Mon–Fri 8 AM–5:30 PM · Sat–Sun closed
    Address
    1331 S Beckham Ave, Tyler, TX 75701
    View profile for ETV Software(903) 531-0377

  10. #10 Lexcom Systems Group

    Based in Tyler, 60 mi away

    50/100IFR Score

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

    • 5.0★ from 10 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    707 Turtle Creek Dr, Tyler, TX 75701
    View profile for Lexcom Systems Group(903) 625-9090

  13. #13 Clarity IT

    Based in Tyler, 56 mi away

    48/100IFR Score

    Ranked #13 because of its Google rating and review volume: 5.0★ from 19 Google reviews.

    • 5.0★ from 19 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    View profile for Clarity IT(903) 253-6520

  15. #15 PC NetSource

    Based in Texarkana, 56 mi away

    47/100IFR Score

    Ranked #15 because of its Google rating and review volume: 5.0★ from 15 Google reviews.

    • 5.0★ from 15 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    5323 Summerhill Rd, Texarkana, TX 75503
    View profile for PC NetSource(903) 832-5396

  16. #16 Right Click Plus

    Based in Marshall, 56 mi away

    46/100IFR Score

    Ranked #16 because of its Google rating and service focus: 5.0★ from 10 Google reviews, listed on Google as “Computer repair service”.

    • 5.0★ from 10 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    View profile for Right Click Plus(903) 407-4027

  17. #17 TIER4 Technologies

    Based in Texarkana, 56 mi away

    46/100IFR Score

    Ranked #17 because of its Google rating and service focus: 5.0★ from 9 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 9 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    2900 St Michael Dr #301, Texarkana, TX 75503
    View profile for TIER4 Technologies(430) 203-0575

  19. #19 DataCast Inc.

    Based in Texarkana, 56 mi away

    45/100IFR Score

    Ranked #19 because of its Google rating and service focus: 5.0★ from 8 Google reviews, listed on Google as “Computer support and services”.

    • 5.0★ from 8 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1208 Pine St, Texarkana, TX 75501
    View profile for DataCast Inc.(903) 793-6581

How we ranked Mount Pleasant cybersecurity companies

We scored 20 Mount Pleasant 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 Mount Pleasant 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 Mount Pleasant: frequently asked questions

Who is the best cybersecurity company in Mount Pleasant?

By IFR Score, the highest-ranked cybersecurity company in Mount Pleasant, TX is Datamax Inc. - Tyler with an IFR Score of 59/100. It has 4.8★ from 55 Google reviews. Business IT Service Corps (#2) and Integris (#3) follow. We ranked 20 cybersecurity companies on nine factors, last updated November 9, 2026.

How many cybersecurity companies are there in Mount Pleasant?

ITFirmsRanked ranks 20 cybersecurity companies serving Mount Pleasant, TX. Counts are as of November 2026.

Which cybersecurity companies in Mount Pleasant work on weekends?

2 of 20 ranked cybersecurity companies post Saturday hours and 1 post Sunday hours. The highest-ranked open Saturdays are Business IT Service Corps (#2) and Lexcom Systems Group (#10). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Mount Pleasant cybersecurity companies have?

The median Google rating among 20 rated cybersecurity companies in Mount Pleasant is 5.0★, with a median of 16 reviews. Integris has the most, 136 reviews, and ranks #3. 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 Mount Pleasant count in this ranking?

Yes, if they are within 75 mi of the Mount Pleasant 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 Mount Pleasant 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 Mount Pleasant

  1. November 2026: IFR Scores recalculated for 20 cybersecurity companies serving Mount Pleasant.

More cybersecurity companies and Mount Pleasant pages