Chicagoland
Cybersecurity Services in Chicago and the Western Suburbs
Managed cybersecurity for Chicago, DuPage County and the western suburbs, run from BTI's Downers Grove office. A 24/7 NOC/SOC watches your environment, and for managed security clients, BTI's own Chicagoland staff respond on site when an incident calls for it, as defined in your service agreement.
Call the Chicago IT team (business hours): 312-492-2613
Free cybersecurity assessment
No cost, no obligation. Business inquiries only. Already a BTI client? Use the dedicated support number assigned to your organization.
- ✓Over 40 years in business
- ✓ISO 27001 compliant
- ✓SOC 2 NOC/SOC
- ✓ISNetworld member
- ✓GSA contract holder (47QTCA21D00BA) · CMAS and TESMA contract awardee (California)
A local team for Chicagoland, backed by a national security operation
BTI has served business technology customers for over 40 years and runs its Chicagoland operations from Downers Grove. That means a local team that can be in your office, server room or warehouse, plus the same 24/7 NOC/SOC, governance framework and service catalog BTI runs nationally. You get one accountable partner instead of a remote-only security vendor and a separate on-site IT shop.
On-site incident response by BTI staff in Chicagoland
For managed security clients, incident response is included in BTI managed security, as defined in your service agreement. In Chicagoland, BTI's own staff come on site when an incident calls for on-site work: isolating affected systems, preserving log evidence, rebuilding devices and supporting recovery under the incident response plan BTI writes for you. Elsewhere in the U.S., BTI coordinates on-site help through partners, and remote response is available wherever BTI supports you. BTI's 24/7 NOC/SOC investigates alerts around the clock. Details: 24/7 MDR & Incident Response and On-Site IT Support in Chicago.
Six outcomes, one program
Each outcome links to the full national service page.
- Know where you stand: Free Cybersecurity Assessment & Pen Test · Testing & Evidence (Cyber Watch)
- Prevent: Endpoint Protection · Email Security & Training · Network Security & SASE · Identity, MFA & Devices · Patch & Vulnerability Management
- Detect and respond: 24/7 MDR & Incident Response
- Govern and prove: vCISO & Cybersecurity Consulting · WISP, IR Plans & GRC · Compliance Management · Cyber Insurance Readiness
- Recover: Backup & Disaster Recovery
- Converged: Converged Cyber + Physical Security · IoT & OT Security
Every service is itemized; see how pricing works.
Your WISP and incident response plan, written for your organization
Every BTI managed security client gets a written WISP and incident response plan, built from BTI's standardized framework based on ISO 27001 and tailored to your organization, as defined in your service agreement. Tailoring covers your industry, size, cyber insurance requirements, contracts and liability exposure. Your vCISO runs tabletop exercises with your leadership team, in person at your Chicagoland office or remotely. BTI's own policies and controls are ISO 27001 compliant and independently reviewed through the Technology Assurance Group (TAG) ISO 27001 Compliance Program. BTI's security program is also assessed through an independent testing partner's compliance program.
Cyber and physical security from the same Chicagoland team
BTI also installs and supports cameras, access control and alarm systems in Chicagoland, so the team securing your network also secures the devices on it. BTI holds Illinois IDFPR Private Alarm Contractor Agency license 127.001638. Related Chicagoland pages: Chicagoland Physical Security · Chicagoland Access Control · IP Camera Systems Chicago · Chicagoland Cisco Meraki Partner.
Managed or co-managed, for Chicagoland IT teams
Many Chicagoland organizations already have an IT manager or a small team. BTI works alongside them in a co-managed model, adding the 24/7 NOC/SOC, vCISO and on-site depth, or runs IT and security fully. See Managed IT in Chicagoland, Outsourced IT in Chicago and Co-Managed IT Support.
Cybersecurity by industry
BTI serves government agencies, schools, water utilities, CPA and insurance firms, and healthcare organizations such as medical groups, PACE programs, behavioral health, pharmacies and dental practices. Industry pages: Healthcare · Government · Education · Logistics & Supply Chain · Financial Services · Utilities & Critical Infrastructure · Construction · Nonprofits · Parking & Venues. Also: Healthcare IT in Chicago.
Visit or call the Chicagoland office
BTI Chicagoland
1441 Branding Ave, Suite 200, Downers Grove, IL 60515
- Chicago IT team (business hours): 312-492-2613
- Office: 312-432-5300
Serving Chicago, DuPage County and the western and northwest suburbs.
Already a BTI client? Use the dedicated support number and procedure assigned to your organization.
Other BTI offices: Los Angeles cybersecurity · Phoenix cybersecurity
Buying cybersecurity in Chicagoland: a six-step guide to your options
Most Chicagoland organizations we talk with are not starting from zero. There is usually an IT manager or a small internal team, a firewall, antivirus on most machines and a cyber insurance renewal that keeps asking harder questions. The real question is what to add, in what order, and who should run it. This guide walks through the same six steps BTI uses to build a security program, the different ways organizations handle each step, and who each approach fits, so you can compare providers on substance instead of slogans.
The six steps:
Step 1: Know where you stand
Every useful security plan starts with evidence about your environment, not a vendor's generic package. Assessments come in very different depths, and the names get used loosely, so it helps to know what each level actually tests.
| Assessment depth | What it involves | Who it fits | Limits |
|---|---|---|---|
| Questionnaire or checklist review | Interviews and a written list of controls you say you have. | A first conversation, or a board asking for a quick baseline. | Measures intent, not reality. Nothing is tested. |
| Credential-free scan from inside the network | Software runs on a few machines and looks at what an attacker on that machine could reach. | Organizations that want real findings fast without handing over admin passwords. | A sample, not a full inventory. |
| Authenticated vulnerability scanning | Scheduled scans of internal and external assets that list missing patches and weak settings. | Teams that need a running list of what to fix and proof that it was fixed. | Finds weaknesses but does not show how they chain together. |
| Penetration test | Testers try to exploit weaknesses and show the path to sensitive data or admin control. | Insurance renewals, customer security reviews and leadership who want proof. | A one-time test is a snapshot; risk changes after it ends. |
| Recurring independent testing | Monthly scans and quarterly pen tests by a third party, with retesting after fixes. | Organizations that must show a trend to insurers, auditors or customers. | Needs someone accountable for fixing what the tests find. |
How BTI handles it: start with the free cybersecurity assessment and pen test: a credential-free scan run on 3 to 5 of your machines, an optional external scan, a written report and a readout with a senior engineer. If the findings point to recurring testing, Cyber Watch adds monthly vulnerability scans and quarterly pen tests by an independent testing partner, so the evidence does not come from the same team that runs your defenses.
Step 2: Prevent
Prevention is where most of the budget goes and where tool choices matter most. For a typical Chicagoland office or multi-site operation, the attack paths that come up again and again are phished credentials, unpatched remote access, unmanaged laptops and email that impersonates a vendor or executive. Each layer has more than one sensible option.
Endpoint protection: built-in, managed antivirus or EDR with 24/7 monitoring
| Option | Pros | Cons | Who it fits |
|---|---|---|---|
| Built-in operating system protection, self-managed | No added license cost. | Nobody watches the alerts; settings drift from machine to machine. | Very small offices with no sensitive data. |
| Managed business antivirus (BTI baseline: Bitdefender) | Consistent policy, managed by BTI, lower cost than EDR. | No SOC coverage; not eligible for MDR. | Lower-risk devices and budgets that need a solid floor. |
| EDR monitored 24/7 (BTI recommended: SentinelOne) | Behavior-based detection, network isolation and 1-click rollback on Windows endpoints, watched by the 24/7 NOC/SOC. | Higher per-endpoint cost; needs tuning by people who know your environment. | Organizations with sensitive data, insurance requirements or no one to watch alerts overnight. |
Details and tier comparison: Endpoint Protection.
Email, identity, network and patching
- Email: the built-in filtering in your mail platform catches a lot, but impersonation and payment fraud often get through. A dedicated filter plus phishing simulation and training addresses both the technology and the person clicking. See Email Security & Awareness Training.
- Identity: MFA everywhere is the floor. The next steps are conditional access, managed devices and admin rights granted only when needed. BTI builds this on the Microsoft Entra ID and Intune licenses many organizations already own: Identity, MFA & Devices.
- Network: a managed firewall at each site, or a SASE model that protects users wherever they work. Many suburban offices with a hybrid workforce end up with both. See Network Security & SASE.
- Patching: "we patch monthly" is not the same as proof that critical fixes were applied. Ask for a written agreement on timing and verified closure: Patch & Vulnerability Management.
- Website and DNS: your domain, DNS and website sit between your registrar, your web developer and IT, and often nobody owns them. Protective DNS filtering, registrar lock and website monitoring close that gap: Website & DNS Security.
Step 3: Detect and respond
This is the step where buyers get the most confusing pitches, because MDR, SIEM, MSSP and SOC as a service overlap. The practical question is simple: when something suspicious happens at 2 a.m. on a Saturday, who sees it, who is allowed to act, and who shows up if hands-on work is needed?
| Model | What you get | Who it fits | Watch for |
|---|---|---|---|
| In-house on-call | Your IT staff receive alerts on their phones and respond when they can. | Large teams with security staff on rotation. | Burnout, missed alerts on holidays, and no one checking the checker. |
| MSSP alert forwarding | A provider watches your tools and emails or calls you when something looks wrong. | Teams that want visibility but plan to do the response themselves. | The provider may not be allowed or able to contain anything. |
| Managed SIEM | Logs from endpoints, identity, cloud and network devices are collected and correlated, often with long retention. | Organizations that need investigation history and audit evidence. | A SIEM without analysts is a storage bill, not protection. |
| MDR with included incident response | Analysts investigate around the clock and take pre-approved containment steps, then work your incident response plan with you. | Most mid-sized organizations without a full security team. | Check what is included, what is pre-approved, and who comes on site. |
How BTI handles it in Chicagoland: 24/7 MDR & Incident Response pairs SentinelOne EDR with the 24/7 NOC/SOC and a managed SIEM with optional one-year log retention. For managed security clients, incident response is included in BTI managed security, as defined in your service agreement. When an incident calls for on-site work, BTI's own Chicagoland staff from the Downers Grove office respond. Already standardized on Cisco? See Cisco XDR.
Step 4: Govern and prove
Controls only count if you can show them. Insurers, auditors, larger customers and your own board increasingly ask for documents and evidence, not verbal assurances. There are three common paths, and they can be combined.
Compliance and governance paths
- Do it yourself with templates: lowest cost, but policies written once and filed away rarely match what IT actually does.
- Tool-only governance platform: dashboards and policy generators help, but someone still has to own the program and keep it current.
- Provider-led program with a vCISO: a named security leader runs the roadmap, tabletop exercises and reporting, and the provider that operates your controls also documents them. This is the model BTI uses: every managed security client gets a written WISP and incident response plan built from BTI's standardized framework based on ISO 27001, tailored to your organization as defined in your service agreement. See vCISO & Cybersecurity Consulting and WISP, IR Plans & GRC.
Cyber insurance: answer the questionnaire with evidence
Renewal questionnaires ask about MFA, EDR, backups, training and incident response plans. The risk is answering "yes" from memory when the environment says otherwise. A readiness review compares each answer to what is actually deployed and lists the gaps. BTI works with your carrier and builds its requirements into your program; BTI does not sell insurance. See Cyber Insurance Readiness. Cyber Liability Essentials, required for BTI managed security clients, holds the WISP, policies, training records and evidence in one place.
Step 5: Recover
Ransomware turns backup from an IT chore into a business continuity question. The options differ mostly in how quickly you can be working again and whether an attacker who gets admin access can also delete your backups.
| Approach | Good for | Gap to check |
|---|---|---|
| On-site backup appliance or NAS only | Fast restores of single files and servers. | A fire, flood or attacker on the network can take out production and backup together. |
| Cloud backup only | Off-site copies without hardware. | Full restores over the internet can take a long time. |
| Local plus cloud, with protected copies | Fast local restores and an off-site copy kept separate from production. | Only proven if restores are tested on a schedule. |
| Microsoft 365 or Google Workspace backup | Mailboxes, OneDrive and shared files. | Platform retention is not the same as a backup you control. |
BTI manages and monitors backup for servers, endpoints, Microsoft 365 and Google Workspace, and tests restores: Backup & Disaster Recovery. Chicago businesses can also keep an out-of-region disaster recovery site in BTI's Phoenix data center.
Step 6: Converged cyber and physical security
Cameras, door controllers, alarm panels and badge readers are network devices. In many Chicagoland buildings they were installed by a different vendor, sit on the same network as office PCs and still use default passwords. You can keep physical security with a separate integrator and ask your IT provider to segment and monitor those devices, or use one partner for both so firmware, remote access and logging follow the same rules.
Illinois adds a specific consideration: if you use fingerprint or face readers for time clocks or doors, the Illinois Biometric Information Privacy Act (BIPA) sets rules for how biometric data is collected and stored. BTI does not give legal advice, so involve your counsel, but make sure your security partner knows where that data lives and who can reach it. BTI holds an Illinois Private Alarm Contractor Agency license and installs and supports cameras and access control across Chicagoland: Converged Cyber + Physical Security, IoT & OT Security and Chicagoland Access Control.
Who should run your program: in-house, co-managed or fully outsourced
| Model | How it works | Who it fits | Main tradeoff |
|---|---|---|---|
| In-house | Your staff select, run and monitor every tool and write the policies. | Organizations large enough to staff security around the clock. | Hiring and keeping security specialists, plus overnight coverage. |
| Co-managed | Your IT team keeps day-to-day control; BTI adds the 24/7 NOC/SOC, vCISO, testing and on-site depth under a written split of responsibilities. | Chicagoland organizations with an IT manager or small team that cannot also be a security operations center. | Works only when roles and escalation are written down. |
| Fully outsourced | BTI runs IT and security together, from help desk to incident response. | Organizations without internal IT, or that want one accountable partner. | Choose a provider that documents everything, so your records and runbooks stay yours. |
Compare the IT side of the decision on Managed IT in Chicagoland, Outsourced IT in Chicago and Co-Managed IT Support.
How to choose a cybersecurity provider in Chicago
Search results for Chicago cybersecurity mix national incident response firms, remote-only SOC providers and local IT shops. They solve different problems. Use these questions to sort them:
- Who acts at night? Ask whether analysts can isolate a device or disable an account without waiting for your call, and which actions are pre-approved in writing.
- Who comes on site, and from where? A remote SOC cannot pull a server or meet your insurer's forensics team in Oak Brook or the Loop. Ask whether on-site responders are employees or subcontractors.
- Is incident response included or a separate retainer? Get the answer in the service agreement, not the sales deck.
- Who tests the provider's work? Independent testing beats reports from the same tools that defend you.
- What documents do you own at the end? Your WISP, incident response plan, network documentation and log history should be yours.
- Is pricing itemized? You should see each service as a line item so you can add or drop pieces. See how BTI's itemized pricing works.
What BTI brings to that comparison: over 40 years in business technology, a Downers Grove team that handles IT, cybersecurity and physical security, a 24/7 NOC/SOC, ISO 27001 compliant policies and controls, and one written program instead of a stack of disconnected vendors.
Free download: Cyber Insurance Renewal Readiness Checklist
A two-page checklist to work through before your next renewal: the controls carriers ask about, the evidence to gather and a timeline to start early. Print it, share it with leadership, or bring it to your consultation.
Map your six steps with a Chicagoland engineer
Bring your last insurance questionnaire or audit request. We will show you where you stand and which options fit, with no obligation.
Chicago IT team (business hours): 312-492-2613
Frequently asked questions
Does BTI have a cybersecurity team in Chicagoland?
Yes. BTI runs its Chicagoland operations from Downers Grove, and BTI staff provide on-site support in the area and, for managed security clients, on-site incident response as defined in your service agreement, backed by the 24/7 NOC/SOC.
Will someone come on site during a security incident?
For managed security clients, yes: when an incident calls for on-site work, BTI's own Chicagoland staff respond. For managed security clients, incident response is included in BTI managed security, as defined in your service agreement.
Can BTI work with our in-house IT team?
Yes. BTI offers co-managed security, with a written split of responsibilities.
Do you offer a free assessment in Chicago?
Yes. The free cybersecurity assessment includes a credential-free scan run on 3 to 5 of your machines, a written report and a readout with a senior engineer.
Does BTI also handle cameras and access control in Illinois?
Yes. BTI holds an Illinois Private Alarm Contractor Agency license and installs and supports physical security across Chicagoland.
What should a Chicago business ask before signing with a cybersecurity provider?
Ask who responds on site and whether they are employees, which containment actions analysts can take at night without calling you, whether incident response is included, who independently tests the provider's work, and whether your WISP, incident response plan, documentation and passwords stay yours.
How should we prepare for a cyber insurance renewal?
Start a few months before renewal. Compare each questionnaire answer to what is actually deployed, close gaps in MFA, EDR, backups and training, and gather evidence. BTI does not sell insurance or give coverage advice; it works with your carrier's requirements and builds them into your security program.
How often should we run a penetration test?
A single annual test is a snapshot. If insurers, auditors or customers expect evidence, recurring testing works better. BTI's Cyber Watch tier includes monthly vulnerability scans and quarterly penetration tests by an independent testing partner, with retesting after fixes.
Does BIPA affect our cybersecurity program?
If you collect fingerprints or face scans for time clocks or door access, the Illinois Biometric Information Privacy Act applies to how that data is handled. BTI does not give legal advice, but it can show where biometric data is stored on your network, who can reach it and how those devices are secured. Involve your counsel for the legal requirements.
How much do cybersecurity services cost in Chicago?
Cost depends on the number of users, endpoints and sites, the detection and testing level you choose, and your compliance and insurance requirements. BTI publishes no single price list because scope drives cost; every service is itemized so you can see each line and add or drop pieces.
Get a free cybersecurity assessment
Start with a free, credential-free pen test and a plain-language summary of where you stand.
Talk to the BTI IT team for your location during business hours: Los Angeles / Southern California 323-510-8003 · Chicagoland 312-492-2613 · Phoenix 480-272-8728.
Already a BTI client? Use the dedicated support number assigned to your organization.