Top 90 Cyber Incident Response Companies in Chicago

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Top 90 Cyber Incident Response Companies in Chicago

The Best of December 2025

Looking for a top cyber incident response company in Chicago?

Operating in the digital age means your business’s data and network security are at risk of incident breaches. To prevent this from happening, it’s important to have fortified, defensive actions against possible security situations. 

List of the Best Chicago Incident Response Services

  • 1
    (31 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.9
    $25,000+
    1,000 - 9,999 employees
    Chicago, IL

    ELEKS is a custom software development firm established in 1991. Their large team is in Tallinn, Estonia; L'viv, Ukraine; Berlin, Germany and Rzeszów, Poland. Their services include Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, and more.

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    Clients

    BNY Mellon DPD Acino DRAX

    Industries

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  • 2
    (8 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $5,000+
    10 - 49 employees
    Chicago, IL

    TechNoir Solutions is a Chicago-based managed IT services provider. They were founded in 2012 and have a team of 12 employees who specialize in cloud consulting, IT managed services, and cybersecurity.

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    Clients

    Primrose Preschools

    Industries

  • 3
    (12 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.6

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Park Ridge, IL

    Founded in 2009, XL.net is an IT managed services company based in Park Ridge, Ill. Their team primarily works with small businesses from the nonprofit, manufacturing, and financial services industries. 

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    Clients

    D/C Export & Domestic Packing, Inc.

    Industries

  • 4
    (11 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.9

    Value

    4.3

    Would Recommend

    4.9
    $5,000+
    50 - 249 employees
    Chicago, IL
    Based in Chicago, Illinois; Phoenix, Arizona and Athina, Greece, EMPIST is an IT managed services company. The midsize company was founded in 2000. Their team specializes in IT managed services, IT strategy consulting, Cybersecurity, and cloud consulting & SI.
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    Industries

  • 5
    (22 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.3

    Would Recommend

    4.8
    $5,000+
    1,000 - 9,999 employees
    Chicago, IL
    Sikich is a Chicago, Illinois-based Cybersecurity company. The firm focuses on Cybersecurity, IT managed services, ERP consulting and SI, and Compliance Consulting and is large.The firm was established in 1982.
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    Industries

  • 6
    (9 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.6

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Des Plaines, IL
    Established in 2000, JetRails is a cloud consulting & SI company. The firm focuses on cloud consulting & SI, IT managed services, Cybersecurity, and IT strategy consulting and has a small team. The firm is headquartered in Des Plaines, Illinois.
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    Clients

    Furniture Land South

    Industries

  • 7
    (6 Reviews) 4.8

    Timeliness

    4.4

    Service Excellence

    4.8

    Value

    4.5

    Would Recommend

    4.8
    $5,000+
    10 - 49 employees
    Chicago, IL

    Headquartered in Fishers, Indiana; Chicago, Illinois and Jacksonville, Florida, Reboot, Inc. Is an IT strategy consulting company. The company focuses on IT strategy consulting, cloud consulting & SI, Cybersecurity, and IT managed services and is small.The company was established in 2005.

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    Industries

  • 8
    (20 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.5

    Would Recommend

    4.9
    Undisclosed
    250 - 999 employees
    North Little Rock, AR
    Ascend Technologies is an IT managed services company. They are in North Little Rock, Arkansas; Lincoln, Nebraska; Chicago, Illinois and Bentonville, Arkansas and have a midsize team. Their services include IT managed services, IT strategy consulting, cloud consulting & SI, CRM consulting and SI, and more.
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    Industries

  • 9
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Addison, IL
    Braden Business Systems, an IT strategy consulting company, was launched in 1989. The team provides IT strategy consulting and cloud consulting & SI.
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    Clients

    Over ten thousand clients nationwide

    Industries

  • 10
    (10 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Chicago, IL
    IT managed services company Protek-IT is headquartered in Chicago, Illinois. The small firm was established in 2003. Their services include IT managed services, IT strategy consulting, and Cybersecurity.
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    Industries

  • 11
    (3 Reviews) 4.7

    Timeliness

    4.5

    Service Excellence

    4.7

    Value

    4.5

    Would Recommend

    4.8
    $1,000+
    10 - 49 employees
    Chicago, IL

    Agility Network Services, Inc. Is an IT managed services company. The small team is based in Chicago, Illinois and Wilmette, Illinois. Their services include IT managed services, cloud consulting & SI, Cybersecurity, IT strategy consulting, and more.

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    Industries

  • 12
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    5.0
    $5,000+
    50 - 249 employees
    Chicago, IL

    PSM Partners is an IT managed services company in Chicago, Illinois. The firm provides IT managed services, IT staff augmentation, cloud consulting & SI, unified communications consulting & SI, and more and has a small team.The firm was launched in 2014.

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    Industries

  • 13
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Chicago, IL
    Advancedit is a cybersecurity company. Their small team is located in Chicago, IL, USA, Illinois. Their services include cybersecurity. The firm was launched in 2013.
    Read More

    Clients

    The AntiCruelty

    Industries

  • 14
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10,000+ employees
    Chicago, IL
    BDO is a large ERP consulting and SI company established in 1963. Their team offers ERP consulting and SI and Cybersecurity.
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  • 15
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Rosemont, IL
    DefendEdge is a Rosemont, Illinois-based Cybersecurity and IT managed services company. They focus on Cybersecurity and IT managed services and were launched in 2017.
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    Industries

  • 16
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    New York, NY
    Founded in 1988, Kraft & Kennedy, Inc. Is an IT managed services company. Based in New York, New York and Houston, Texas, the team provides IT managed services and IT strategy consulting.
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    Clients

    Drinker Biddle

    Industries

  • 17
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Rosemont, IL
    ETS Technology Solutions, a small IT managed services company, is headquartered in Rosemont, Illinois. The team focuses on IT managed services and Cybersecurity.
    Read More

    Industries

  • 18
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Chicago, IL
    Netrix LLC, an IT strategy consulting company, was launched in 1989. The team provides IT strategy consulting and cloud consulting & SI and is located in Chicago, Illinois.
    Read More
  • 19
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Glenview, IL
    HTML Global is an IT managed services company. Established in 2011, the firm specializes in IT managed services and Cybersecurity.
    Read More

    Industries

  • 20
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Willowbrook, IL
    Application Management & Support company ESPO Engineering Corp. Provides Application Management & Support and IT managed services. They are located in Willowbrook, Illinois.
    Read More

    Industries

  • 21
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Evanston, IL
    Prime Telecommunications Managed Technology Solutions is an unified communications consulting & SI company. Their services include unified communications consulting & SI.
    Read More
  • 22
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Chicago, IL
    Datastrive is a Cybersecurity and IT managed services company launched in 2003. The team provides Cybersecurity and IT managed services and is in Chicago, Illinois.
    Read More

    Industries

  • 23
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Chicago, IL
    OnRamp Networks is a small IT managed services company based in Chicago, Illinois. Their services include IT managed services and cloud consulting & SI.
    Read More
  • 24
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Oak Brook, IL
    In Elk Grove Village, Illinois and McHenry, Illinois, Porte Brown LLC is a midsize Accounting company. Their services include Accounting and cloud consulting & SI.
    Read More

    Industries

  • 25
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Des Plaines, IL
    Spot Migration Co is a Cybersecurity company. The team offers Cybersecurity and IT managed services and is headquartered in Des Plaines, Illinois.
    Read More

    Industries

  • 26
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Downers Grove, IL
    Tanium is a big data company. Their team is located in Kirkland, Washington and Downers Grove, Illinois and specializes in BI & big data consulting & SI and Cybersecurity.
    Read More

    Industries

  • 27
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Chicago, IL
    SEI, an IT strategy consulting company, was founded in 1992. The team focuses on IT strategy consulting and Business Consulting.
    Read More

    Industries

  • 28
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Chicago, IL
    The Isidore Group, an IT managed services company, is located in Burr Ridge, Illinois and Chicago, Illinois. They provide IT managed services and Cybersecurity and were launched in 2014.
    Read More

    Industries

  • 29
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Chicago, IL
    Quantum Vigilance Cybersecurity Consulting is a Cybersecurity company. Their team is in Chicago, Illinois. The agency offers Cybersecurity and Corporate Training & Coaching.
    Read More
  • 30
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Oak Brook, IL
    Computerease is a small IT strategy consulting company established in 1984. Their services include IT strategy consulting and Cybersecurity.
    Read More

    Industries

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