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Best Cybersecurity Companies in Norwich, CT (2026)

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

The short answer

  1. 1

    Best overall in Norwich: FileShred, IFR Score 63/100; 5.0★ from 112 Google reviews; open Saturdays until 6 PM.

  2. 31

    Most-reviewed: WangPC Computer Service, 400 Google reviews at 4.7★, the most of 264 ranked; ranked #31.

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

264 Norwich cybersecurity companies are ranked here by IFR Score, from nine published factors. 88 open Saturdays and 52 open Sundays, based on posted hours. The median Google rating is 5.0★ across 264 rated IT firms.

Top 10 cybersecurity companies in Norwich at a glance

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

Top 10 cybersecurity companies in Norwich at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1FileShred635.0★ (112)Glastonbury, 30 mi awaySatOverall
2Lynx Systems595.0★ (15)Bristol, 43 mi awaySat · Sun · Evenings—
3TOSS C3 - Cybersecurity, Cloud Computing, Co-Managed IT & Information Security595.0★ (23)Framingham Center, 61 mi awaySat · Sun · Evenings—
4Network Professional Training Center-NPTC595.0★ (46)Worcester, 50 mi awaySat—
5AGR Technologies Inc.594.7★ (39)Grafton, 58 mi awaySat · Sun—
6Now IT Works584.9★ (30)Cromwell, 22 mi away——
7Tech Help Group, Inc.585.0★ (65)Douglaston, 60 mi away——
8Identity Protection Planning - Cyber Dana585.0★ (34)Madison, 33 mi away——
9CoTech Networks575.0★ (16)East Patchogue, 56 mi awaySat · Sun · Evenings—
10MrTechPro574.9★ (399)Mastic, 64 mi awaySat · Sun · Evenings—

The 264 best cybersecurity companies in Norwich, 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 Norwich

    Based in Glastonbury, 30 mi away

    63/100IFR Score

    Ranked #1 because of its Google rating and service focus: 5.0★ from 112 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 112 Google reviews
    Hours
    Mon–Sat 7 AM–6 PM · Sun closed
    Address
    18 Talcott Rd, Glastonbury, CT 06033
  2. Based in Bristol, 43 mi away

    59/100IFR Score

    Ranked #2 because of its Google rating and service focus: 5.0★ from 15 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 15 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
  3. Based in Grafton, 58 mi away

    59/100IFR Score

    Ranked #5 because of its Google rating and service focus: 4.7★ from 39 Google reviews, listed on Google as “Computer security service”.

    • 4.7★ from 39 Google reviews
    Hours
    Mon–Thu 9 AM–6 PM · Fri 8:30 AM–6 PM · Sat 9 AM–4 PM · Sun 9 AM–1:30 PM
    Address
    300 W Main St A4, Northborough, MA 01532
  4. Based in Cromwell, 22 mi away

    58/100IFR Score

    Ranked #6 because of its Google rating and service focus: 4.9★ from 30 Google reviews, listed on Google as “Computer security service”.

    • 4.9★ from 30 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    142 E High St, East Hampton, CT 06424
  5. Based in East Patchogue, 56 mi away

    57/100IFR Score

    Ranked #9 because of its Google rating and service focus: 5.0★ from 16 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 16 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
  6. Based in Mastic, 64 mi away

    57/100IFR Score

    Ranked #10 because of its Google rating and review volume: 4.9★ from 399 Google reviews.

    • 4.9★ from 399 Google reviews
    Hours
    Mon–Sat 9 AM–8:30 PM · Sun 11 AM–5 PM
    Address
    1430 Montauk Hwy, Mastic, NY 11950
  7. Based in Chicopee, 53 mi away

    57/100IFR Score

    Ranked #11 because of its Google rating and review volume: 4.7★ from 124 Google reviews.

    • 4.7★ from 124 Google reviews
    Hours
    Mon–Sat 11 AM–8 PM · Sun 12:30 PM–6:30 PM
    Address
    1512 Memorial Dr, Chicopee, MA 01020
  8. Based in Bath Beach, 67 mi away

    57/100IFR Score

    Ranked #12 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–Fri 7 AM–8 PM · Sat 9 AM–3 PM · Sun closed
  9. Based in Southbury, 60 mi away

    57/100IFR Score

    Ranked #13 because of its Google rating and service focus: 5.0★ from 16 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 16 Google reviews
    Hours
    Mon–Fri 7 AM–11 PM · Sat–Sun 9 AM–5 PM
    Address
    5 Walker Hill Rd, Sandy Hook, CT 06482
  10. Based in Boston, 70 mi away

    57/100IFR Score

    Ranked #14 because of its Google rating and service focus: 5.0★ from 62 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 62 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    1208 VFW Pkwy, Boston, MA 02132
  11. Based in Worcester, 57 mi away

    56/100IFR Score

    Ranked #17 because of its Google rating and review volume: 4.9★ from 114 Google reviews.

    • 4.9★ from 114 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun 12 AM–12 AM
    Address
    27 W Mountain St, Worcester, MA 01606
  12. Based in Middletown, 30 mi away

    55/100IFR Score

    Ranked #18 because of its Google rating and review volume: 4.8★ from 57 Google reviews.

    • 4.8★ from 57 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    10 Main St, Middletown, CT 06457
  13. Based in Fairhaven, 63 mi away

    55/100IFR Score

    Ranked #20 because of its Google rating and service focus: 4.9★ from 29 Google reviews, listed on Google as “Computer security service”.

    • 4.9★ from 29 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    17 Arsene Way, Fairhaven, MA 02719
  14. Based in Hampton Bays, 57 mi away

    55/100IFR Score

    Ranked #21 because of its Google rating and service focus: 5.0★ from 23 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 23 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat–Sun closed
    Address
    1a Montauk Hwy, Westhampton, NY 11977
  15. Based in Charlton, 42 mi away

    55/100IFR Score

    Ranked #22 because of its Google rating and review volume: 4.8★ from 202 Google reviews.

    • 4.8★ from 202 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat 10 AM–2 PM · Sun closed
    Address
    3 Sutton Ave, Oxford, MA 01540
  16. Based in Cromwell, 29 mi away

    54/100IFR Score

    Ranked #23 because of its Google rating and service focus: 4.9★ from 9 Google reviews, listed on Google as “Computer security service”.

    • 4.9★ from 9 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    269 Main St, Portland, CT 06480
  17. Based in Wallingford, 36 mi away

    54/100IFR Score

    Ranked #25 because of its Google rating and service focus: 5.0★ from 10 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 10 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    10 Research Pkwy Ste 300, Wallingford, CT 06492

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

cybersecurity companies in Norwich, ranks 26 to 50
RankBusinessIFR ScoreGoogle ratingDistance
26EVERNET544.9★ (67)35 mi
27BJ's Temp Services Inc.544.4★ (28)60 mi
28CRCIT - Cybersecurity, IT Support & Managed IT Services545.0★ (18)58 mi
29TrnDigital | Boston Managed IT Services and IT Support Company in Newton545.0★ (82)70 mi
30Bryley Systems Inc | IT Support Company & Managed IT Services Massachusetts544.5★ (25)65 mi
31WangPC Computer Service544.7★ (400)75 mi
32EverTech Electronics Recycling545.0★ (341)74 mi
33SkunkCyber535.0★ (3)69 mi
34Reliable Computer Repair - By appointment535.0★ (118)53 mi
35ADNET Technologies - Connecticut Managed IT Services534.8★ (6)32 mi
36OST - Rhode Island IT Support & Managed IT Services535.0★ (28)40 mi
37WangPC Computer Service535.0★ (102)73 mi
38MacWorks, LLC534.9★ (69)35 mi
39Encompass IT Solutions534.9★ (111)30 mi
40Technology Advisory Group - Rhode Island Managed IT Services Company534.7★ (27)33 mi
41CR Computer534.8★ (72)75 mi
42ACS Services534.7★ (13)64 mi
43Managed By CST535.0★ (103)39 mi
44CTS525.0★ (20)35 mi
45Vertikal6524.5★ (28)36 mi
46Technology Advisory Group - Providence Managed IT Services Company524.8★ (25)41 mi
47JC TECH BOSTON INC525.0★ (67)68 mi
48APC Integrated - Managed IT Services Company in Boston525.0★ (48)75 mi
49Grey Matter Technologies524.9★ (44)29 mi
50Kelser Corporation524.9★ (79)30 mi

Also serving Norwich

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 Norwich
BusinessGoogle ratingDistance
CCI Computer Commerce Inc5.0★ (1)In Norwich
Commprise | Managed IT Services, Support, & Cybersecurity5.0★ (2)43 mi
Comp-u-Doc, Inc.5.0★ (2)30 mi
Complete IT Solutions5.0★ (2)51 mi
cybershop465.0★ (2)59 mi
Dowd Technologies4.5★ (2)59 mi
East Coast Technology Group3.0★ (2)44 mi
Fotis Networks5.0★ (2)60 mi
IM TechnologyIn Norwich
Meta It Pro5.0★ (2)64 mi
Meticulous Techs - Computer Repair & Home Automation Services | Smart Home Services5.0★ (2)66 mi
Milford Technology Associates, LLC4.0★ (2)60 mi
MWV Multi-Media Forensic Investigative Services, Inc.5.0★ (2)49 mi
SecurityBreach5.0★ (2)62 mi
TechFocus5.0★ (2)62 mi
TechingIT, Inc.5.0★ (2)57 mi
Top Notch PC Repair5.0★ (2)65 mi
UplinkIT3.5★ (2)38 mi
Uptime Network Technologies, Inc.3.0★ (2)49 mi
Wireless Design Group LLC5.0★ (1)In Norwich

How we ranked Norwich cybersecurity companies

We scored 264 Norwich 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 Norwich 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 Norwich: frequently asked questions

Who is the best cybersecurity company in Norwich?

By IFR Score, the highest-ranked cybersecurity company in Norwich, CT is FileShred with an IFR Score of 63/100. It has 5.0★ from 112 Google reviews. It is open Saturdays until 6 PM. Lynx Systems (#2) and TOSS C3 - Cybersecurity, Cloud Computing, Co-Managed IT & Information Security (#3) follow. We ranked 264 cybersecurity companies on nine factors, last updated November 9, 2026.

How many cybersecurity companies are there in Norwich?

ITFirmsRanked ranks 264 cybersecurity companies serving Norwich, CT. Another 20 within 75 mi are listed but not ranked yet. Counts are as of November 2026.

Which cybersecurity companies in Norwich work on weekends?

88 of 264 ranked cybersecurity companies post Saturday hours and 52 post Sunday hours. The highest-ranked open Saturdays are FileShred (#1), Lynx Systems (#2) and TOSS C3 - Cybersecurity, Cloud Computing, Co-Managed IT & Information Security (#3). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Norwich cybersecurity companies have?

The median Google rating among 264 rated cybersecurity companies in Norwich is 5.0★, with a median of 16 reviews. WangPC Computer Service has the most, 400 reviews, and ranks #31. 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 Norwich count in this ranking?

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

  1. November 2026: IFR Scores recalculated for 264 cybersecurity companies serving Norwich.
  2. November 2026: 4 duplicate listings merged.