Cyber Security Companies in Chicago

These Chicago-area firms name specific cyber services on their own pages. Several sell managed IT with security included, which differs from a pure security specialist, so ask which you are buying.

By Security Briefing, an independent publication. Details checked November 6, 2026. Listings are not endorsements.

Services named on each company's page. Alphabetical within type. BBB details come from its profile; Yelp scores from Yelp's search listing, for the location shown. A score from a few reviews says little. We don't rate companies ourselves. Checked November 6, 2026.
Company	Cyber services named	Local office	Service area wording	Remote support	Reviews	Source
Ascentient More about Ascentient In its own words: “Our team provides immediate response to issues and ongoing oversight to help keep your business secure.”	monitoring, assessment, managed security, compliance	300 N Martingale Rd, Schaumburg Chicago, Illinois 60173	See address	Named on its page	No matching BBB or Yelp profile found	Company page
XL.net More about XL.net In its own words: “With a need for secure, compliant, and always-on IT operations to support high-volume print production, XL.net delivered robust monitoring, cybersecurity, and infrastructure modernization.”	monitoring, managed security, compliance	1 E Erie St Suite 525 244, Chicago, IL 60611	See address	Named on its page	Yelp View listing	Company page
Apex Cybersecurity Solutions More about Apex Cybersecurity Solutions In its own words: “Apex was founded with the goal of creating an IT and Cybersecurity company that would provide solutions and services to modernize, innovate, and protect people and their businesses.”	incident response, compliance	Not listed on this page	“firm based in Chicago, IL”	Not stated	No matching BBB or Yelp profile found	Company page
CompassMSP More about CompassMSP In its own words: “We combine clear protection with direct support, so you get 24/7 U.S.-based help, vCIO guidance, and active security.”	monitoring, assessment, incident response, managed security, compliance	Not listed on this page	“What happens during the CompassMSP onboarding process in the Chicago area?”	Named on its page	No matching BBB or Yelp profile found	Company page
DYOPATH More about DYOPATH In its own words: “We offer managed IT services, cybersecurity solutions, and tech advice to help The Windy City businesses reduce risk and improve performance.”	monitoring, assessment, incident response, managed security, compliance	Not listed on this page	“About IT Services in Chicago, IL”	Named on its page	No matching BBB or Yelp profile found	Company page
Genuity IT More about Genuity IT In its own words: “Our comprehensive security suite delivers confident and affordable protection for Chicago businesses.”	monitoring, incident response, managed security, compliance	Not listed on this page	“Other IT Services in Chicago”	Named on its page	No matching BBB or Yelp profile found	Company page
SafePoint IT	monitoring, assessment, managed security	Not listed on this page	“Read about managed IT services in Chicago, managed IT for small businesses and outsourced IT services in Chicago”	Named on its page	Yelp 4.2 out of 5 on Yelp 5 reviews Palatine listing	Company page

Which guide fits your need?

Someone watching around the clock: managed services
A plan or second opinion: consulting
Testing what's weak: assessments

Local or remote?

A Chicago office helps if you want someone on site. For monitoring, the staff may be anywhere, so ask. One listed firm's address is in Schaumburg, so check how far “Chicago” extends. Then use our company comparison checklist.