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Best Cybersecurity Companies in Knoxville, TN (2026)

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

The short answer

  1. 1

    Best overall in Knoxville: BlackTrace Software & Cyber Defense, IFR Score 63/100; 5.0★ from 64 Google reviews; open 7 days a week.

  2. 3

    Most-reviewed: Advanced Computers of Knox, 410 Google reviews at 4.9★, the most of 43 ranked; ranked #3.

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

43 Knoxville cybersecurity companies are ranked here by IFR Score, from nine published factors. 9 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 5.0★ across 43 rated IT firms.

Top 10 cybersecurity companies in Knoxville at a glance

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

Top 10 cybersecurity companies in Knoxville at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1BlackTrace Software & Cyber Defense635.0★ (64)Barrington, 30 mi awaySat · Sun · EveningsOverall
2Data Pros IT595.0★ (20)Knoxville——
3Advanced Computers of Knox594.9★ (410)Knoxville—Most reviews
4Helix IT585.0★ (16)Knoxville——
5TeamLogic IT585.0★ (15)Knoxville——
6NerdsToGo - Knoxville, TN585.0★ (259)Knoxville——
7Crestline Technologies - Managed IT574.7★ (13)Knoxville——
8Allevia Technology575.0★ (264)Maryville, 14 mi away——
9Absolute Access ID574.6★ (11)Knoxville——
10Symspire575.0★ (75)Knoxville——

The 43 best cybersecurity companies in Knoxville, 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. Based in Knoxville

    59/100IFR Score

    Ranked #2 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
    311 S Weisgarber Rd D, Knoxville, TN 37919
  2. Based in Knoxville

    58/100IFR Score

    Ranked #4 because of its Google rating and service focus: 5.0★ from 16 Google reviews, listed on Google as “Computer security service”.

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

    • 5.0★ from 16 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    8519 Troutman Ln, Knoxville, TN 37931
  3. Based in Knoxville

    58/100IFR Score

    Ranked #5 because of its Google rating and service focus: 5.0★ from 15 Google reviews, listed on Google as “Computer security service”.

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

    • 5.0★ from 15 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    9111 Cross Park Dr Ste 232, Knoxville, TN 37923
  4. Based in Maryville, 14 mi away

    57/100IFR Score

    Ranked #8 because of its Google rating and review volume: 5.0★ from 264 Google reviews.

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

    • 5.0★ from 264 Google reviews
    Hours
    Mon–Thu 7 AM–5 PM · Fri 7 AM–12:30 PM · Sat–Sun closed
    Address
    101 W Harper Ave, Maryville, TN 37801
  5. Based in Knoxville

    57/100IFR Score

    Ranked #9 because of its Google rating and service focus: 4.6★ from 11 Google reviews, listed on Google as “Computer security service”.

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

    • 4.6★ from 11 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    900 S Gay St Ste 1902, Knoxville, TN 37902
  6. Based in Knoxville

    57/100IFR Score

    Ranked #10 because of its Google rating and review volume: 5.0★ from 75 Google reviews.

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

    • 5.0★ from 75 Google reviews
    Address
    10932 Murdock Dr Ste 103-a, Knoxville, TN 37932
  7. Based in Knoxville

    56/100IFR Score

    Ranked #11 because of its Google rating and service focus: 4.9★ from 8 Google reviews, listed on Google as “Computer security service”.

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

    • 4.9★ from 8 Google reviews
    Hours
    Mon–Tue 7 AM–5 PM · Wed 7:30 AM–5 PM · Thu–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    730 Tazewell Pike, Luttrell, TN 37779
  8. Based in Knoxville

    56/100IFR Score

    Ranked #12 because of its Google rating and service focus: 4.4★ from 9 Google reviews, listed on Google as “Computer security service”.

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

    • 4.4★ from 9 Google reviews
    Hours
    Mon–Fri 8:30 AM–5:30 PM · Sat–Sun closed
    Address
    1431 Centerpoint Blvd #150, Knoxville, TN 37932
  9. Based in Knoxville

    56/100IFR Score

    Ranked #13 because of its Google rating and review volume: 5.0★ from 134 Google reviews.

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

    • 5.0★ from 134 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1720 Topside Rd, Louisville, TN 37777
  10. Based in Knoxville

    55/100IFR Score

    Ranked #14 because of its Google rating and review volume: 5.0★ from 21 Google reviews.

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

    • 5.0★ from 21 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    200 Prosperity Dr #231, Knoxville, TN 37923
  11. Based in Knoxville

    55/100IFR Score

    Ranked #15 because of its Google rating and service focus: 5.0★ from 5 Google reviews, listed on Google as “Computer security service”.

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

    • 5.0★ from 5 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
  12. #16 Vaktal

    Based in Crossville, 42 mi away

    54/100IFR Score

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

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

    • 5.0★ from 10 Google reviews
    Hours
    Mon–Fri 9 AM–4 PM · Sat–Sun closed
  13. Based in Knoxville

    54/100IFR Score

    Ranked #17 because of its Google rating and review volume: 4.7★ from 84 Google reviews.

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

    • 4.7★ from 84 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    6535 Jackie Ln, Knoxville, TN 37920
  14. Based in Knoxville

    53/100IFR Score

    Ranked #18 because of its Google rating and service focus: 4.8★ from 10 Google reviews, listed on Google as “Computer support and services”.

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

    • 4.8★ from 10 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    9041 Executive Park Dr Suite B-250, Knoxville, TN 37923
  15. Based in Knoxville

    53/100IFR Score

    Ranked #19 because of its Google rating and review volume: 4.8★ from 43 Google reviews.

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

    • 4.8★ from 43 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat–Sun closed
    Address
    16 Emory Pl Ste 100, Knoxville, TN 37917
  16. Based in Knoxville

    52/100IFR Score

    Ranked #20 because of its Google rating and review volume: 5.0★ from 35 Google reviews.

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

    • 5.0★ from 35 Google reviews
    Hours
    Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
    Address
    8351 E Walker Springs Ln #302, Knoxville, TN 37923
  17. Based in Knoxville

    52/100IFR Score

    Ranked #21 because of its Google rating and review volume: 4.9★ from 34 Google reviews.

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

    • 4.9★ from 34 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    110 Center Park Dr Ste 102, Knoxville, TN 37922
  18. Based in Knoxville

    52/100IFR Score

    Ranked #22 because of its Google rating and review volume: 4.7★ from 34 Google reviews.

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

    • 4.7★ from 34 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    Address
    11042 Terrapin Station Ln, Knoxville, TN 37932
  19. Based in Knoxville

    51/100IFR Score

    Ranked #24 because of its Google rating and service focus: 5.0★ from 7 Google reviews, listed on Google as “Computer support and services”.

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

    • 5.0★ from 7 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    9111 Cross Park Dr Bldg E, Ste E-114, Knoxville, TN 37923
  20. Based in Knoxville

    51/100IFR Score

    Ranked #25 because of its Google rating and service focus: 5.0★ from 7 Google reviews, listed on Google as “Computer repair service”.

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

    • 5.0★ from 7 Google reviews
    Hours
    Mon–Sun 7:30 AM–5 PM
    Address
    120 Suburban Rd #207, Knoxville, TN 37923

All 43 cybersecurity companies

#1 to #25 are shown in full above. Here are #26 to #43, in IFR Score order; each links to its profile.

cybersecurity companies in Knoxville, ranks 26 to 43
RankBusinessIFR ScoreGoogle ratingDistance
26Net3IT, LLC515.0★ (20)In Knoxville
27RCN Technologies514.3★ (34)In Knoxville
28Sharp Business Systems515.0★ (20)In Knoxville
29Victory Technology, LLC504.9★ (19)In Knoxville
30Limehawk505.0★ (23)6 mi
31Isbill Tech Services495.0★ (93)74 mi
32Geeks on Site483.0★ (4)9 mi
33PDS Consulting - Managed IT Services Company484.8★ (26)41 mi
34Roo Tech Services485.0★ (7)In Knoxville
35A+ PC Repairs475.0★ (4)8 mi
36PC of Mind Technologies474.5★ (6)In Knoxville
37Little River Technology solutions, Inc.475.0★ (4)13 mi
38Ben Lomand Connect464.2★ (37)62 mi
39Hiscall, Inc.465.0★ (3)In Knoxville
40WX2 Tech465.0★ (12)66 mi
41DWM Consulting, LLC434.0★ (4)34 mi
42Tabor Consulting Group435.0★ (6)62 mi
43Point 2 Point Communication Services424.2★ (5)68 mi

Also serving Knoxville

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 Knoxville
BusinessGoogle ratingDistance
Ahieros5.0★ (1)In Knoxville
Celeris Networks Consulting Group, LLC5.0★ (4)In Knoxville
Centriworks4.9★ (33)In Knoxville
Cisco Systems5.0★ (3)In Knoxville
Computer & Networking Services4.4★ (7)In Knoxville
Computer Systems Plus4.9★ (51)In Knoxville
Custom Lan Solutions4.3★ (7)In Knoxville
Evolve IT Solutions llc4.0★ (4)In Knoxville
InnerDigital, LLC5.0★ (7)In Knoxville
JM Addington Technology Solutions5.0★ (76)In Knoxville
MBI Companies4.1★ (9)In Knoxville
Meyer IT Systems5.0★ (10)In Knoxville
My IT Guys5.0★ (2)In Knoxville
Paxis Technologies Managed IT Services Knoxville TN4.7★ (26)In Knoxville
Pratt Computing Technologies5.0★ (4)In Knoxville
RJ Technology4.2★ (157)In Knoxville
Shafer Technology Solutions5.0★ (19)In Knoxville
TenHats4.9★ (13)In Knoxville
Vancrew Technologies5.0★ (2)In Knoxville
VolTech Solutions5.0★ (14)In Knoxville

How we ranked Knoxville cybersecurity companies

We scored 43 Knoxville 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 Knoxville 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 Knoxville: frequently asked questions

Who is the best cybersecurity company in Knoxville?

By IFR Score, the highest-ranked cybersecurity company in Knoxville, TN is BlackTrace Software & Cyber Defense with an IFR Score of 63/100. It has 5.0★ from 64 Google reviews. It is open 7 days a week. Data Pros IT (#2) and Advanced Computers of Knox (#3) follow. We ranked 43 cybersecurity companies on nine factors, last updated November 9, 2026.

How many cybersecurity companies are there in Knoxville?

ITFirmsRanked ranks 43 cybersecurity companies serving Knoxville, TN. 28 of them are based in Knoxville; 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 Knoxville work on weekends?

9 of 43 ranked cybersecurity companies post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are BlackTrace Software & Cyber Defense (#1), AT-NET Services (#14) and ServoPlex IT (#18). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Knoxville cybersecurity companies have?

The median Google rating among 43 rated cybersecurity companies in Knoxville is 5.0★, with a median of 19 reviews. Advanced Computers of Knox has the most, 410 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 Knoxville count in this ranking?

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

  1. November 2026: IFR Scores recalculated for 43 cybersecurity companies serving Knoxville.