Simon-property-group vs Costar-group - Cyber Risk Comparison & Security Rating

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Comparison Overview

Simon Property Group

CoStar Group

Simon Property Group

225 W Washington St, Indianapolis, IN, US, 46204

Last Update: 18/08/2026

View Profile

Between 800 and 849

https://business.simon.com

823/1000Good

Simon is a global leader in the ownership of premier shopping, dining, entertainment and mixed-use destinations and an S&P 100 company (Simon Property Group, NYSE: SPG). Our properties across North America, Europe, and Asia provide community gathering places for million...

NAICS:N/A

NAICS Definition:Others

Employees:3,754

Subsidiaries:0

12-month incidents

Known data breaches

Attack type number

CoStar Group

1201 Wilson Blvd, Arlington, Virginia, US, 22209

Last Update: 01/04/2026

View Profile

Between 750 and 799

http://www.costargroup.com

793/1000Fair

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

Known data breaches

Attack type number

Compliance Ranges Comparison

Based On Specific Ai Models Category

Simon Property Group

ISO 27001Not verified

SOC2 Type 1Not verified

SOC2 Type 2Not verified

GDPRNot verified

PCI DSSNot verified

HIPAANot verified

CoStar Group

ISO 27001Not verified

SOC2 Type 1Not verified

SOC2 Type 2Not verified

GDPRNot verified

PCI DSSNot verified

HIPAANot verified

Benchmark & Cyber Underwriting Signals

Incidents vs Real Estate Industry Avg (This Year)

No incidents recorded for Simon Property Group in 2026.

Incidents

Incidents vs Real Estate Industry Avg (This Year)

No incidents recorded for CoStar Group in 2026.

Incidents

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

Simon Property 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 - 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

Notable Incidents

Last Cyber / HR Incidents / Global...

Simon Property Group

Incidents

No explicit notable incidents reported.

CoStar Group

Incidents

No explicit notable incidents reported.

FAQ

Between Simon Property Group company and CoStar Group company, which one has the best AI Cybersecurity Score ?

Between Simon Property Group company and CoStar Group company, which one has experienced more cyber incidents in the past ?

Between Simon Property Group company and CoStar Group company, which one has experienced more cyber incidents this year ?

Between Simon Property Group company and CoStar Group company, which one has experienced at least one ransomware attack ?

Between Simon Property Group company and CoStar Group company, which one has experienced at least one data breach ?

Between Simon Property Group company and CoStar Group company, which one has experienced at least one targeted cyberattack ?

Between Simon Property Group company and CoStar Group company, which one has experienced at least one vulnerability ?

Between Simon Property Group company and CoStar Group company, which one holds the most compliance certifications ?

Between Simon Property Group company and CoStar Group company, which one holds the fewest compliance certifications ?

Between Simon Property Group company and CoStar Group company, which one has the most subsidiaries ?

Between Simon Property Group company and CoStar Group company, which one has the largest number of employees ?

Between Simon Property Group and CoStar Group, which company holds both SOC 2 Type 1 certifications ?

Between Simon Property Group and CoStar Group, which company holds both SOC 2 Type 2 certifications ?

Which company is ISO 27001 certified - Simon Property Group or CoStar Group ?

Which company is PCI DSS compliant - Simon Property Group or CoStar Group ?

Between Simon Property Group and CoStar Group, which company complies with HIPAA regulations for healthcare data ?

Between Simon Property Group and CoStar Group, which company complies with GDPR requirements ?

Latest Global CVEs

CVE-2026-76929

SUMMARY

Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

PUBLISHED

Date2026-08-19

UPDATED

Date2026-08-19

RISK INFORMATION (Score: 4.7)

CVSS3

Base Score: 4.7

Complexity: HIGH

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

IMPACT SCORE

3.6

EXPLOITABILITY

REFERENCES

CVE-2026-76928

SUMMARY

X.509IF protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

PUBLISHED

Date2026-08-19

UPDATED

Date2026-08-19

RISK INFORMATION (Score: 7.5)

CVSS3

Base Score: 7.5

Complexity: LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

IMPACT SCORE

3.6

EXPLOITABILITY

3.9

REFERENCES

CVE-2026-76927

SUMMARY

H.245 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

PUBLISHED

Date2026-08-19

UPDATED

Date2026-08-19

RISK INFORMATION (Score: 4.7)

CVSS3

Base Score: 4.7

Complexity: HIGH

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

IMPACT SCORE

3.6

EXPLOITABILITY

REFERENCES

CVE-2026-76926

SUMMARY

BUSMASTER file parser abnormal exit in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

PUBLISHED

Date2026-08-19

UPDATED

Date2026-08-19

RISK INFORMATION (Score: 3.1)

CVSS3

Base Score: 3.1

Complexity: HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

IMPACT SCORE

1.4

EXPLOITABILITY

1.6

REFERENCES

CVE-2026-76924

SUMMARY

Kerberos protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

PUBLISHED

Date2026-08-19

UPDATED

Date2026-08-19

RISK INFORMATION (Score: 5.5)

CVSS3

Base Score: 5.5

Complexity: LOW

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

IMPACT SCORE

3.6

EXPLOITABILITY

1.8

REFERENCES