Managed Cybersecurity Services & Threat Protection for Chicago Businesses

Hire a Trusted Cybersecurity Company in Chicago

CTI Technology is a trusted cybersecurity company in Chicago providing enterprise-grade protection for small to mid-sized businesses across the metro area. We deliver 24/7 security monitoring & emergency response, and compliance-ready security solutions that keep your operations safe from ransomware, phishing, and data breaches. Call (847) 888-1900 or fill out the form on the right to talk with one of our experts. We’ll respond fast so you can feel start feeling confident about your risk level. 

Why Local Businesses Choose CTI Technology as Their Cybersecurity Company in Chicago

Since 2004, CTI Technology has protected Chicago-area organizations from cyber threats. We combine enterprise-level tools with local support—something national vendors can’t match.

What sets us apart:

• Locally based engineers with on-site availability
• Average ticket resolution time under 1 hour
• Vendor-agnostic security strategy tailored to your business
• Proven experience with HIPAA, NIST, and PCI frameworks
• Partnerships with SentinelOne, Fortinet, Microsoft, and more. 

Our Cybersecurity Services

We protect businesses throughout Chicago, Elgin, Naperville, Schaumburg, and surrounding suburbs with:

• Risk assessments – Many of our long term clients started with a thorough risk assessment. 

• SOC (Security Operations Center) Services – We provide 24/7 security monitoring & emergency response and act fast if anything looks suspicious.

• Network security – Keeping the network safe with endpoint protection, patch management, and more. 

• Zero Trust access controls – Only the right people get access to the right data, reducing risk.

• Cybersecurity awareness training – Teaches your team how to spot and stop threats. 

• Firewall setup and security updates – Keeps your network locked down and current.

• Penetration testing – Test your defences, strengthen controls, and get premium cyber insurance rates. 

• Cloud security for Microsoft 365 and Google Workspace – Protects your files, email, and accounts in the cloud.

• Compliance support – We help you stay compliant with HIPAA, NIST, and PCI requirements — without the hassle.

• Data Backup and Disaster Recovery – We keep your data backed up, tested, and verified. 

• Cybersecurity consulting – Strategic guidance to identify risks, close gaps, and build a security roadmap tailored to your business.

Whether you operate downtown, in the Loop, or across multiple suburban locations, we provide end-to-end coverage with local engineers available for on-site response. Beyond day-to-day support, CTI clients receive quarterly technology reviews where security posture, compliance gaps, and upcoming technology decisions get documented and addressed before they become problems.

Cybersecurity That Grows With Your Business

Cybersecurity isn’t a one-time fix. CTI Technology provides ongoing monitoring, quarterly vulnerability assessments, and adaptive defense strategies that scale as your company expands. You’ll always have access to expert guidance and proactive protection designed around your specific risks.

Frequently Asked Questions

Cybersecurity companies in Chicago

CTI Technology is a Chicago-area cybersecurity and managed IT company that has protected local businesses since 2004. Its security services include 24/7 security monitoring & emergency response, multi-factor authentication, endpoint and email protection, encrypted off-site backups, ransomware containment and recovery, and employee security awareness training. CTI serves companies with 20 to 250 employees in downtown Chicago and the suburbs, and security is included in every managed IT plan rather than sold as a separate product.

We were hit by ransomware. Who can help us recover today in Chicago?

Call CTI Technology at (847) 888-1900. For CTI clients, 24/7 security monitoring & emergency response are included in every plan, so an attack can be contained as soon as it’s detected. Recovery starts with isolating affected systems, preserving evidence for your insurer and counsel, and restoring from clean backups. Every CTI plan includes 250GB of automated cloud backup, which is what makes a fast recovery possible. If you aren’t a CTI client yet, also contact your cyber insurance carrier right away, since many policies require you to use approved response vendors.

An employee entered their password on a phishing site. Who can help our business respond right now in Chicago?

Act quickly: change that employee’s password, sign them out of all sessions, confirm multi-factor authentication is on, and check their mailbox for new forwarding rules. Then call CTI Technology at (847) 888-1900. For CTI clients, 24/7 security monitoring & emergency response are included in every plan, and CTI’s team can review sign-in activity, lock down the account, and check whether anything else was accessed.

What security controls do cyber insurance carriers require, and who in Chicago can help us meet them?

Most carriers ask about multi-factor authentication, endpoint detection and response, protected backups, a written incident response plan, and security awareness training. Requirements vary by carrier and policy, so confirm with your broker. CTI Technology helps Chicago-area businesses put these controls in place and document them for applications and renewals. The carrier still makes the coverage decision.

Employee security awareness training providers for businesses in Illinois

CTI Technology provides employee security awareness training for Illinois businesses as part of its managed IT and cybersecurity plans. Training covers spotting phishing emails, protecting passwords and using multi-factor authentication, handling sensitive data, and reporting suspicious activity. CTI keeps completion records, which many cyber insurance applications ask for.

Ready to Strengthen Your Defenses?

If your business needs reliable cybersecurity protection, CTI Technology is ready to help. We’ll assess your current environment, identify vulnerabilities, and build a customized plan—without disrupting operations.

Call (847) 888-1900 or fill out the form to the right to schedule a 15-minute call with our team.

Proudly serving Chicago and surrounding areas from our Elgin headquarters.

Looking for cybersecurity for your manufacturing firm? View our full suite of cybersecurity solutions for manufacturing firms. Looking for cybersecurity for your financial services firm? We specialize in that too: GLBA-aligned IT security for financial services firms.

Aaron Kane

Founder and CEO, CTI Technology

Aaron Kane founded CTI Technology in 2004 and leads the company as CEO. Headquartered in Elgin, Illinois, CTI provides managed IT services and cybersecurity to businesses with 20 to 250 employees across Chicago and the suburbs, with deep experience serving law firms, healthcare practices, manufacturers, construction companies and financial services firms. Under Aaron's leadership, CTI has become a Microsoft AI Cloud Partner and keeps 98.5% of its clients.

Connect with Aaron on Linkedin