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Best Cybersecurity Companies in Vernon Hills, IL (2026)

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

The short answer

  1. 1

    Best overall in Vernon Hills: Media Moon, LLC., IFR Score 62/100; 5.0★ from 32 Google reviews; open 7 days a week.

  2. 9

    Most-reviewed: iRepairTek (IT Services, Smartphone, Computer, Consoles and Tablet Repair), 520 Google reviews at 4.8★, the most of 374 ranked; ranked #9.

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

374 Vernon Hills cybersecurity companies are ranked here by IFR Score, from nine published factors. 122 open Saturdays and 83 open Sundays, based on posted hours. The median Google rating is 5.0★ across 374 rated IT firms.

Top 10 cybersecurity companies in Vernon Hills at a glance

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

Top 10 cybersecurity companies in Vernon Hills at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1Media Moon, LLC.625.0★ (32)Hoffman Estates, 11 mi awaySat · SunOverall
2Handled IT Partners624.9★ (21)Chicago, 17 mi awaySat · Sun · Evenings—
3Fulton May Solutions615.0★ (88)Downers Grove, 26 mi awayEvenings—
4Evolve Security614.8★ (132)Chicago, 29 mi away——
5The Isidore Group615.0★ (19)Chicago, 29 mi awaySat · Sun · Evenings—
6Ti2 Agency, Inc (Technical Investigation and Intelligence) TSCM604.9★ (46)Janesville, 62 mi awaySat · Sun · Evenings—
7Intelligent Technical Solutions | ITS605.0★ (14)Chicago, 30 mi awaySat · Sun · Evenings—
8ReachOut Digital Intelligence594.8★ (23)Mokena, 48 mi awaySat · Sun · Evenings—
9iRepairTek (IT Services, Smartphone, Computer, Consoles and Tablet Repair)594.8★ (520)Bridgeview, 30 mi awaySat · Sun · EveningsMost reviews
10CITADEL Cyber Security Solutions595.0★ (5)Arlington Heights, 7 mi awaySat · Sun · Evenings—

The 374 best cybersecurity companies in Vernon Hills, 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 Vernon Hills

    Based in Hoffman Estates, 11 mi away

    62/100IFR Score

    Ranked #1 because of its Google rating and service focus: 5.0★ from 32 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 32 Google reviews
    Hours
    Mon–Sun 9 AM–5 PM
    Address
    4464 Harbor Cir, Hoffman Estates, IL 60192
  2. Based in Chicago, 17 mi away

    62/100IFR Score

    Ranked #2 because of its Google rating and service focus: 4.9★ from 21 Google reviews, listed on Google as “Computer security service”.

    • 4.9★ from 21 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    4950 Madison St, Chicago, IL 60076
  3. Based in Downers Grove, 26 mi away

    61/100IFR Score

    Ranked #3 because of its Google rating and service focus: 5.0★ from 88 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 88 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat–Sun closed
    Address
    1200 Jorie Blvd #228, Oak Brook, IL 60523
  4. Based in Chicago, 29 mi away

    61/100IFR Score

    Ranked #4 because of its Google rating and service focus: 4.8★ from 132 Google reviews, listed on Google as “Computer security service”.

    • 4.8★ from 132 Google reviews
    Hours
    Mon–Thu 9 AM–5 PM · Fri 9 AM–2 PM · Sat–Sun closed
    Address
    123 N Wacker Dr Ste 300, Chicago, IL 60606
  5. Based in Chicago, 29 mi away

    61/100IFR Score

    Ranked #5 because of its Google rating and service focus: 5.0★ from 19 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 19 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    205 N Michigan Ave Suit 810, Chicago, IL 60601
  6. Based in Lake Forest, 5 mi away

    59/100IFR Score

    Ranked #12 because of its Google rating and service focus: 5.0★ from 4 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 4 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    13753 W Boulton Blvd, Mettawa, IL 60045
  7. Based in Chicago, 29 mi away

    58/100IFR Score

    Ranked #13 because of its Google rating and service focus: 4.2★ from 27 Google reviews, listed on Google as “Computer security service”.

    • 4.2★ from 27 Google reviews
    Hours
    Mon–Tue closed · Wed 12 PM–11:30 PM · Thu closed · Fri–Sun 12 PM–11:30 PM
    Address
    70 W Madison St Ste 600, Chicago, IL 60602
  8. Based in Naperville, 32 mi away

    58/100IFR Score

    Ranked #14 because of its Google rating and review volume: 5.0★ from 436 Google reviews.

    • 5.0★ from 436 Google reviews
    Hours
    Mon–Wed 9:30 AM–6:30 PM · Thu 9:30 AM–4:30 PM · Fri 9:30 AM–6:30 PM · Sat 9:30 AM–4:30 PM · Sun closed
    Address
    200 E 5th Ave Ste 111, Naperville, IL 60563
  9. Based in Downers Grove, 27 mi away

    58/100IFR Score

    Ranked #17 because of its Google rating and service focus: 4.9★ from 34 Google reviews, listed on Google as “Computer security service”.

    • 4.9★ from 34 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    3113 Woodcreek Dr Ste 102, Downers Grove, IL 60515
  10. Based in Hoffman Estates, 14 mi away

    57/100IFR Score

    Ranked #21 because of its Google rating and service focus: 5.0★ from 19 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 19 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    2750 W Higgins Rd, Hoffman Estates, IL 60169
  11. Based in Arlington Heights, 10 mi away

    57/100IFR Score

    Ranked #22 because of its Google rating and service focus: 5.0★ from 8 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 8 Google reviews
    Hours
    Mon–Fri 8 AM–5:30 PM · Sat 8 AM–2:30 PM · Sun closed
    Address
    838 S Arthur Ave, Arlington Heights, IL 60005
  12. Based in Palatine, 8 mi away

    57/100IFR Score

    Ranked #24 because of its Google rating and review volume: 5.0★ from 244 Google reviews.

    • 5.0★ from 244 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    220 N Smith St #430, Palatine, IL 60067
  13. 56/100IFR Score

    Ranked #25 because of its Google rating and service focus: 5.0★ from 21 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 21 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    155 N Wacker Dr #4250, Chicago, IL 60606

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 374 ranked cybersecurity companies here; the rest are on their profiles.

cybersecurity companies in Vernon Hills, ranks 26 to 50
RankBusinessIFR ScoreGoogle ratingDistance
26LeadingIT564.9★ (75)25 mi
27VIP SECURITY SOLUTIONS INC565.0★ (19)29 mi
28Brew City PC565.0★ (46)61 mi
29Genuity565.0★ (72)29 mi
30LeadingIT565.0★ (74)29 mi
31AHEAD564.5★ (27)29 mi
32IntelliSuite IT Solutions564.8★ (12)13 mi
33XL.net565.0★ (66)29 mi
34TeamLogic IT565.0★ (10)12 mi
35Secure Compliance Solutions LLC562.3★ (3)25 mi
36swiftFixus INC565.0★ (6)18 mi
37Black Diamond Solutions564.9★ (14)25 mi
38DEADCO LLC555.0★ (9)36 mi
39Eddies Gaming Computers and Repair554.8★ (240)52 mi
40PC Master High Tech, Inc554.8★ (189)46 mi
41CTI Technology554.7★ (12)20 mi
42ElectroGeek Computer Repair555.0★ (164)10 mi
43Sharkbyte PC - Computer Repair - Web Design555.0★ (93)18 mi
44Surge Solutions - IT Services Chicago555.0★ (44)23 mi
45XL.net - Managed IT Services Company555.0★ (44)24 mi
46CMIT Solutions of Chicago Downtown554.9★ (54)30 mi
47Maze Software Solutions LLC555.0★ (4)15 mi
48TeamLogic IT555.0★ (9)20 mi
49Outsource Solutions Group - Naperville Managed IT Services Company554.9★ (50)30 mi
50PC LAN Services555.0★ (88)55 mi

Also serving Vernon Hills

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 Vernon Hills
BusinessGoogle ratingDistance
AHEAD3.0★ (2)26 mi
Alan And Dominos Berwyn computer Repairs5.0★ (2)27 mi
Bambenek Consulting, Ltd.4.5★ (2)15 mi
CelereTech, Inc.5.0★ (2)23 mi
CompuOne | IT Services5.0★ (2)11 mi
Cyber Exchange5.0★ (2)4 mi
Cyber World Technologies Inc.5.0★ (2)26 mi
Data Forensics LLP5.0★ (2)In Vernon Hills
Datastrive | Managed IT Services Chicago5.0★ (2)21 mi
Dwd Cyber5.0★ (2)19 mi
Frontier Networks LLC.5.0★ (2)8 mi
GreenmanIT, Inc.5.0★ (2)17 mi
GurVer INC5.0★ (2)25 mi
IDS - Cyber Security, Networks & IT4.5★ (2)17 mi
Improve Technologies5.0★ (2)28 mi
Proven IT Oak Park3.0★ (2)28 mi
Red Door Shield by Red Door Technologies5.0★ (2)20 mi
Sayers5.0★ (4)In Vernon Hills
Simple Solutions Technology, LLC5.0★ (2)24 mi
TURNkey4.0★ (2)7 mi

How we ranked Vernon Hills cybersecurity companies

We scored 374 Vernon Hills 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 Vernon Hills 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 Vernon Hills: frequently asked questions

Who is the best cybersecurity company in Vernon Hills?

By IFR Score, the highest-ranked cybersecurity company in Vernon Hills, IL is Media Moon, LLC. with an IFR Score of 62/100. It has 5.0★ from 32 Google reviews. It is open 7 days a week. Handled IT Partners (#2) and Fulton May Solutions (#3) follow. We ranked 374 cybersecurity companies on nine factors, last updated November 9, 2026.

How many cybersecurity companies are there in Vernon Hills?

ITFirmsRanked ranks 374 cybersecurity companies serving Vernon Hills, IL. Another 20 within 75 mi are listed but not ranked yet. Counts are as of November 2026.

Which cybersecurity companies in Vernon Hills work on weekends?

122 of 374 ranked cybersecurity companies post Saturday hours and 83 post Sunday hours. The highest-ranked open Saturdays are Media Moon, LLC. (#1), Handled IT Partners (#2) and The Isidore Group (#5). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Vernon Hills cybersecurity companies have?

The median Google rating among 374 rated cybersecurity companies in Vernon Hills is 5.0★, with a median of 16 reviews. iRepairTek (IT Services, Smartphone, Computer, Consoles and Tablet Repair) has the most, 520 reviews, and ranks #9. 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 Vernon Hills count in this ranking?

Yes, if they are within 75 mi of the Vernon Hills 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 Vernon Hills 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 Vernon Hills

  1. November 2026: IFR Scores recalculated for 374 cybersecurity companies serving Vernon Hills.
  2. November 2026: 1 duplicate listing merged.