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Comparison Overview

CoStar GroupCoStar Group
VS
Keller Williams Realty, LLCKeller Williams Realty, LLC
CoStar Group

CoStar Group

1201 Wilson Blvd, Arlington, Virginia, US, 22209

Last Update: 15/09/2026

View Profile
Between 750 and 799
http://www.costargroup.com
788/1000Fair

CoStar Group (NASDAQ: CSGP) is a global leader in commercial real estate information, analytics, online marketplaces, and 3D digital twin technology. Founded in 1986, CoStar Group is dedicated to digitizing the world’s real estate, empowering all people to discover prop...

NAICS:N/A
NAICS Definition:Others
Employees:11,942
Subsidiaries:0
12-month incidents
0
Known data breaches
0
Attack type number
0
Keller Williams Realty, LLC

Keller Williams Realty, LLC

Suite 400, Austin, TX, US, 78746

Last Update: 18/09/2026

View Profile
Between 800 and 849
https://headquarters.kw.com/
800/1000Good

Austin, Texas-based Keller Williams, the world’s largest real estate franchise by agent count, has more than 1,100 offices and 176,000 agents. The franchise is also No. 1 in units and sales volume in the United States. Since 1983, the company has cultivated an agent-c...

NAICS:N/A
NAICS Definition:Others
Employees:102,888
Subsidiaries:2
12-month incidents
0
Known data breaches
1
Attack type number
1

Compliance Ranges Comparison

Based On Specific Ai Models Category
CoStar Group

CoStar Group

-
ISO 27001Not verified
ISO 27001
-
SOC2 Type 1Not verified
SOC2 Type 1
-
SOC2 Type 2Not verified
SOC2 Type 2
-
GDPRNot verified
GDPR
-
PCI DSSNot verified
PCI DSS
-
HIPAANot verified
HIPAA
Keller Williams Realty, LLC

Keller Williams Realty, LLC

-
ISO 27001Not verified
ISO 27001
-
SOC2 Type 1Not verified
SOC2 Type 1
-
SOC2 Type 2Not verified
SOC2 Type 2
-
GDPRNot verified
GDPR
-
PCI DSSNot verified
PCI DSS
-
HIPAANot verified
HIPAA

Benchmark & Cyber Underwriting Signals

Incidents vs Real Estate Industry Avg (This Year)

No incidents recorded for CoStar Group in 2026.

Incidents

Incidents vs Real Estate Industry Avg (This Year)

No incidents recorded for Keller Williams Realty, LLC in 2026.

Incidents

Incident History - CoStar Group (X = Date, Y = Severity)

CoStar Group cyber incidents detection timeline including parent company and subsidiaries.

No timeline data available
R - Ransomware
C - Cyber Attack
D - Data Breach
V - Vulnerability

Incident History - Keller Williams Realty, LLC (X = Date, Y = Severity)

Keller Williams Realty, LLC cyber incidents detection timeline including parent company and subsidiaries.

R - Ransomware
C - Cyber Attack
D - Data Breach
V - Vulnerability

Notable Incidents

Last Cyber / HR Incidents / Global...
CoStar Group

CoStar Group

Incidents
No explicit notable incidents reported.
Keller Williams Realty, LLC

Keller Williams Realty, LLC

Incidents
🔒 Incident : Breach
KEL020091825

FAQ

Between CoStar Group company and Keller Williams Realty, LLC company, which one has the best AI Cybersecurity Score ?
Between CoStar Group company and Keller Williams Realty, LLC company, which one has experienced more cyber incidents in the past ?
Between CoStar Group company and Keller Williams Realty, LLC company, which one has experienced more cyber incidents this year ?
Between CoStar Group company and Keller Williams Realty, LLC company, which one has experienced at least one ransomware attack ?
Between CoStar Group company and Keller Williams Realty, LLC company, which one has experienced at least one data breach ?
Between CoStar Group company and Keller Williams Realty, LLC company, which one has experienced at least one targeted cyberattack ?
Between CoStar Group company and Keller Williams Realty, LLC company, which one has experienced at least one vulnerability ?
Between CoStar Group company and Keller Williams Realty, LLC company, which one holds the most compliance certifications ?
Between CoStar Group company and Keller Williams Realty, LLC company, which one holds the fewest compliance certifications ?
Between CoStar Group company and Keller Williams Realty, LLC company, which one has the most subsidiaries ?
Between CoStar Group company and Keller Williams Realty, LLC company, which one has the largest number of employees ?
Between CoStar Group and Keller Williams Realty, LLC, which company holds both SOC 2 Type 1 certifications ?
Between CoStar Group and Keller Williams Realty, LLC, which company holds both SOC 2 Type 2 certifications ?
Which company is ISO 27001 certified - CoStar Group or Keller Williams Realty, LLC ?
Which company is PCI DSS compliant - CoStar Group or Keller Williams Realty, LLC ?
Between CoStar Group and Keller Williams Realty, LLC, which company complies with HIPAA regulations for healthcare data ?
Between CoStar Group and Keller Williams Realty, LLC, which company complies with GDPR requirements ?

Latest Global CVEs

CVE-2026-93892
SUMMARY

IBM TRIRIGA Application Platform 5.0.0 through 5.0.8 could allow a remote authenticated attacker to obtain sensitive information due to exposure of session tokens in the HTML response.

PUBLISHED
Date2026-10-12
UPDATED
Date2026-10-12
RISK INFORMATION (Score: 8.1)
CVSS3
Base Score: 8.1
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
IMPACT SCORE
5.2
EXPLOITABILITY
2.8
CVE-2026-93891
SUMMARY

IBM TRIRIGA Application Platform 5.0.0 through 5.0.8 could allow a remote authenticated attacker to obtain sensitive information due to an XML external entity (XXE) injection flaw.

PUBLISHED
Date2026-10-12
UPDATED
Date2026-10-12
RISK INFORMATION (Score: 7.6)
CVSS3
Base Score: 7.6
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
IMPACT SCORE
4.7
EXPLOITABILITY
2.3
CVE-2026-92832
SUMMARY

IBM Aspera Enterprise WebApps 1.0.0 through 1.0.6 could allow a local attacker to obtain sensitive information due to cleartext transmission of sensitive information.

PUBLISHED
Date2026-10-12
UPDATED
Date2026-10-12
RISK INFORMATION (Score: 5.1)
CVSS3
Base Score: 5.1
Complexity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
IMPACT SCORE
2.5
EXPLOITABILITY
2.5
CVE-2026-85457
SUMMARY

IBM Planning Analytics 2.0, and 2.1 could allow a remote authenticated attacker to execute arbitrary code due to a stack-based buffer overflow.

PUBLISHED
Date2026-10-12
UPDATED
Date2026-10-12
RISK INFORMATION (Score: 8.1)
CVSS3
Base Score: 8.1
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
IMPACT SCORE
5.2
EXPLOITABILITY
2.8
CVE-2026-84418
SUMMARY

IBM DataStage on Cloud Pak for Data 5.4.0.0 can allow a man-in-the-middle attacker to present a forged TLS certificate, intercept the connection, and capture the IAM bearer Authorization header automatically attached by the session adapter. The captured token grants full platform-scope tenant API access, enabling the attacker to read and manipulate the victim's DataStage projects, flows, assets, and pipeline definitions. This is client-side SDK code running on the user's own machine, so exploitation requires an external network interceptor rather than a co-tenant in the shared cluster.

PUBLISHED
Date2026-10-12
UPDATED
Date2026-10-12
RISK INFORMATION (Score: 7.4)
CVSS3
Base Score: 7.4
Complexity: HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
IMPACT SCORE
5.2
EXPLOITABILITY
2.2