What is the official website of CoStar Group ?

The official website of CoStar Group is http://www.costargroup.com.

What is CoStar Group's cybersecurity risk score?

CoStar Group has an AI-generated cybersecurity risk score of 788 out of 1000, indicating a Fair security posture according to Rankiteo's assessment.

How many security incidents has CoStar Group experienced?

According to Rankiteo, CoStar Group currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.

Has CoStar Group been affected by any supply chain cyber incidents ?

According to Rankiteo, CoStar Group has not been affected by any supply chain cyber incidents, and no incident IDs are currently listed for the organization.

Does CoStar Group have SOC 2 Type 1 certification ?

According to Rankiteo, CoStar Group is not certified under SOC 2 Type 1.

Does CoStar Group have SOC 2 Type 2 certification ?

According to Rankiteo, CoStar Group does not hold a SOC 2 Type 2 certification.

Does CoStar Group comply with GDPR ?

According to Rankiteo, CoStar Group is not listed as GDPR compliant.

Does CoStar Group have PCI DSS certification ?

According to Rankiteo, CoStar Group does not currently maintain PCI DSS compliance.

Does CoStar Group comply with HIPAA ?

According to Rankiteo, CoStar Group is not compliant with HIPAA regulations.

Does CoStar Group have ISO 27001 certification ?

According to Rankiteo,CoStar Group is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.

Which industry does CoStar Group operate in ?

CoStar Group operates primarily in the Real Estate industry.

How many employees does CoStar Group have ?

CoStar Group employs approximately 11,942 people worldwide.

Does CoStar Group own any subsidiaries ?

CoStar Group presently has no subsidiaries across any sectors.

How many LinkedIn followers does CoStar Group have ?

CoStar Group's official LinkedIn profile has approximately 272,380 followers.

Does CoStar Group have a Crunchbase profile ?

No, CoStar Group does not have a profile on Crunchbase.

Does CoStar Group have a LinkedIn profile ?

Yes, CoStar Group maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/costar-group.

How many cybersecurity incidents has CoStar Group experienced ?

As of October 4, 2026, Rankiteo reports that CoStar Group has not experienced any cybersecurity incidents.

How many peer or competitor companies does CoStar Group have ?

CoStar Group has an estimated 30,355 peer or competitor companies worldwide.

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CoStar Group

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788

/1000

Fair

813

/1000

Good

CoStar Group Vendor Cyber Rating & Cyber Score

costargroup.com

Add Your Compliance Badge

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 properties, insights, and connections that improve their businesses and lives. CoStar Group’s major brands include CoStar, a leading global provider of commercial real estate data, analytics, and news; LoopNet, the most trafficked commercial real estate marketplace; Apartments.com, the leading platform for apartment rentals; Homes.com, the fastest-growing residential real estate marketplace; and Domain, one of Australia’s leading property marketplaces. CoStar Group’s

CoStar Group

CoStar Group CyberSecurity News & History

Past Incidents

Attack Types

Entity

Type

Severity

Impact

Seen

Blog Details

Supply Chain Source

Incident Details

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No data available

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A.I.

CoStar Group Company Scoring based on AI Models

Cyber Incidents Likelihood 3 - 6 - 9 months

Actual

Prediction

Incident Predictions locked

Access Monitoring Plan

A.I Risk Score Likelihood 3 - 6 - 9 months

Actual

Prediction A

Prediction B

Prediction C

Prediction D

A.I. Risk Score Predictions locked

Access Monitoring Plan

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Underwriter Stats for CoStar Group

Incidents vs Real Estate Industry Avg (This Year)

No incidents recorded for CoStar Group in 2026.

Incidents vs All-Companies Average (This Year)

No incidents recorded for CoStar Group in 2026.

Incident Types CoStar Group vs Real Estate Industry Avg (This Year)

No incidents recorded for CoStar Group in 2026.

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

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SUBSIDIARY

CoStar Group Subsidiaries

Parent Company

CoStar Group

Real Estate

Website: http://www.costargroup.com

Company Size: 5,001-10,000 employees

No subsidiary data available for this company.

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WHO WE ARE Emaar is a pioneer of master-planned communities in Dubai since its inception in 1997. It is listed on the Dubai Financial Market as a public joint-stock company. Building upon the legacy of our flagship Downtown Dubai creations — the iconic Burj Khalifa, Dubai Mall, and Dubai Fountain — our dream is to be the world’s most valuable and trusted company, to enrich lives and to be powered by the best people. With proven competencies in properties, shopping malls & retail and hospitality & leisure, we shape new lifestyles with a passion for design excellence, build with quality and timely delivery. EXPANSION & DIVERSIFICATION Reflecting the pulse of Dubai, our portfolio encompasses developing renowned hospitality & leisure projects, premium shopping malls & Retail assets, as well as Master-Planned Communities and iconic Real-Estate assets. Our hospitality & leisure portfolio includes Address Hotels & Resorts and Armani Hotels & Resorts, among others. We are also the developers of premium shopping malls and retail assets such as the flagship The Dubai Mall – the world’s most visited retail & entertainment venue, Dubai Marina Mall and Souk-al-Bahar. Further, we continuously define the standard for exceptional cultural, entertainment and leisure experiences with destinations such as Dubai Opera, Dubai Aquarium & Underwater Zoo, Reel Cinemas, Dubai Ice Rink and VR Park.

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As one of the leading global real estate franchisors, RE/MAX, LLC is a subsidiary of RE/MAX Holdings (NYSE: RMAX) with more than 140,000 agents in almost 9,000 offices and a presence in more than 110 countries and territories. Nobody in the world sells more real estate than RE/MAX, as measured by residential transaction sides. RE/MAX was founded in 1973 by Dave and Gail Liniger, with an innovative, entrepreneurial culture affording its agents and franchisees the flexibility to operate their businesses with great independence. RE/MAX agents have lived, worked and served in their local communities for decades, raising millions of dollars every year for Children’s Miracle Network Hospitals® and other charities. To learn more about RE/MAX, to search home listings or find an agent in your community, please visit www.remax.com. For the latest news about RE/MAX, please visit news.remax.com. Each Office Independently Owned and Operated.

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NEWS

CoStar Group CyberSecurity News

Latest updates, reports, and threat intel affecting the global network.

March 25, 2026 12:37 PM

News | Cybersecurity startup lease of Silicon Valley office park signals optimism at a crucial moment

Lease of the Year for the South Bay. Cybersecurity firm Zscaler subleased space from Airbnb at Building 1 of 4301 Great America Parkway. (CoStar).

Read Article

March 04, 2026 08:00 AM

Jim Cramer on CoStar Group: “Another Victim of AI That I Am Very Concerned About”

CoStar Group, Inc. (NASDAQ:CSGP) is one of the S&P 500 stocks that Jim Cramer shared his take on. Cramer highlighted the AI fears around the...

Read Article

March 03, 2026 08:00 AM

News | Colliers expands New York team; Newmark hires three Dallas directors; JLL adds healthcare principal

Corey Horowitz joined Colliers as a senior vice president in its New York office. The firm said Horowitz will focus on office leasing and...

Read Article

February 21, 2026 08:00 AM

Jefferies Turns Bullish on CoStar Group (CSGP), Citing Strong EBITDA Growth Outlook

CoStar Group, Inc. (NASDAQ:CSGP) is included among the 14 Best Real Estate Stocks to Buy According to Hedge Funds. On February 20, Jefferies...

Read Article

February 18, 2026 08:00 AM

News | 5 things to know for Feb. 18

Today's Headlines: Japan hotel chain Washington hit by ransomware attack; Scandic sees modest growth, no change in Dalata Hotels integration...

Read Article

February 17, 2026 08:00 AM

Little Italy office tower in foreclosure

610 W. Ash St. lender is also suing the building owner for full payment of a $30-million loan balance.

Read Article

February 08, 2026 08:00 AM

Sales force Growth Fuels Bullish Views on CoStar Group (CSGP)

CoStar Group (NASDAQ:CSGP) is one of the 10 best real estate services stocks to buy according to hedge funds. On January 27, Jake Fuller...

Read Article

February 03, 2026 08:00 AM

Troy cybersecurity software firm acquires Ohio company

Logicalis, a cybersecurity services provider in Troy, has acquired an Ohio-based security company. Maple Woods Enterprises is a long-term...

Read Article

December 31, 2025 08:00 AM

Smart risk in a bull market - 7 stocks to watch for in 2026: Jon Erlichman

After a big run for growth stocks, some investors may feel guilty for wanting more. In a bull market, that discomfort can tempt investors to...

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CVE

Latest

Global CVEs (Not Company-Specific)

CVE-2026-96451

SUMMARY

Authorization Bypass Through User-Controlled Key vulnerability in Ultimate Member Ultimate Member ultimate-member allows Privilege Escalation.This issue affects Ultimate Member: from n/a through 2.13.1.

Published

Date2026-10-03

Updated

Date2026-10-03

RISK INFORMATION (Score: 8.8)

cvss3

Base Score: 8.8

Complexity: LOW

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

Impact Score

5.9

Exploitability

2.8

REFERENCES

https://patchstack.com/database/wordpress/plugin/ultimate-member/vulnerability/wordpress-ultimate-member-plugin-2-13-1-privilege-escalation-vulnerability?_s_id=cve

CVE-2026-103342

SUMMARY

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Unlimited Elements Unlimited Elements For Elementor (Free Widgets, Addons, Templates) unlimited-elements-for-elementor allows Reflected XSS.This issue affects Unlimited Elements For Elementor (Free Widgets, Addons, Templates): from n/a through 2.0.20.

Published

Date2026-10-03

Updated

Date2026-10-03

RISK INFORMATION (Score: 7.1)

cvss3

Base Score: 7.1

Complexity: LOW

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

Impact Score

3.7

Exploitability

2.8

REFERENCES

https://patchstack.com/database/wordpress/plugin/unlimited-elements-for-elementor/vulnerability/wordpress-unlimited-elements-for-elementor-free-widgets-addons-templates-plugin-2-0-20-cross-site-scripting-xss-vulnerability?_s_id=cve

CVE-2026-103065

SUMMARY

Improper Validation of Specified Quantity in Input vulnerability in Themeum Kirki kirki allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects Kirki: from n/a through 6.3.1.

Published

Date2026-10-03

Updated

Date2026-10-03

RISK INFORMATION (Score: 8.2)

cvss3

Base Score: 8.2

Complexity: LOW

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

Impact Score

4.2

Exploitability

3.9

REFERENCES

https://patchstack.com/database/wordpress/plugin/kirki/vulnerability/wordpress-kirki-plugin-6-3-1-arbitrary-code-execution-vulnerability?_s_id=cve

CVE-2026-105122

SUMMARY

OpenAM before 16.1.3 contains a server-side request forgery vulnerability that allows attackers able to register or modify OAuth 2.0 clients to make OpenAM fetch internal resources via an unvalidated jwks_uri. Attackers can trigger unauthenticated fetches through client-authentication and ID-token validation to probe internal hosts, metadata endpoints or local files, or exhaust request threads for denial of service.

Published

Date2026-10-03

Updated

Date2026-10-03

RISK INFORMATION (Score: 5.4)

cvss3

Base Score: 5.4

Complexity: LOW

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

cvss4

Base Score: 5.3

Complexity: LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

2.5

Exploitability

2.8

REFERENCES

CVE-2026-105121

SUMMARY

OpenAM before 16.1.3 contains an improper authorization vulnerability that allows delegated administrators to destroy sessions outside their realms because realm checks use the requester's realm. Authenticated accounts holding the iplanet-am-session-destroy-sessions attribute can supply a target session identifier or handle to forcibly log out users in any realm.

Published

Date2026-10-03

Updated

Date2026-10-03

RISK INFORMATION (Score: 4.9)

cvss3

Base Score: 4.9

Complexity: LOW

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

cvss4

Base Score: 6.9

Complexity: LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

3.6

Exploitability

1.2

REFERENCES

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SBOM (Software Bill of Materials)Gain visibility into the software components used within an organization to detect vulnerabilities, manage risk, and ensure supply chain security.

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CoStar Group Vendor Cyber Rating & Cyber Score

CoStar Group A.I CyberSecurity Scoring

CoStar Group CyberSecurity News & History

CoStar Group Company Scoring based on AI Models

Cyber Incidents Likelihood 3 - 6 - 9 months

Incident Predictions locked

A.I Risk Score Likelihood 3 - 6 - 9 months

A.I. Risk Score Predictions locked

Underwriter Stats for CoStar Group

Incidents vs Real Estate Industry Avg (This Year)

Incidents vs All-Companies Average (This Year)

Incident Types CoStar Group vs Real Estate Industry Avg (This Year)

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

CoStar Group Subsidiaries

Parent Company

CoStar Group

CoStar Group Similar Companies

Emaar

Greystar

REMAX

Zillow

FirstService Residential

Country Garden Group

Shimao Group

Compass

Lendlease

CoStar Group CyberSecurity News

News | Cybersecurity startup lease of Silicon Valley office park signals optimism at a crucial moment

Jim Cramer on CoStar Group: “Another Victim of AI That I Am Very Concerned About”

News | Colliers expands New York team; Newmark hires three Dallas directors; JLL adds healthcare principal

Jefferies Turns Bullish on CoStar Group (CSGP), Citing Strong EBITDA Growth Outlook

News | 5 things to know for Feb. 18

Little Italy office tower in foreclosure

Sales force Growth Fuels Bullish Views on CoStar Group (CSGP)

Troy cybersecurity software firm acquires Ohio company

Smart risk in a bull market - 7 stocks to watch for in 2026: Jon Erlichman

Global CVEs (Not Company-Specific)

Access Data Using Our API

What Do We Measure ?

These are some of the factors we use to calculate the overall score:

Rankiteo

CoStar Group CyberSecurity News & History

CoStar Group Company Scoring based on AI Models

Cyber Incidents Likelihood 3 - 6 - 9 months

Incident Predictions locked

A.I Risk Score Likelihood 3 - 6 - 9 months

A.I. Risk Score Predictions locked

Underwriter Stats for CoStar Group

Incidents vs Real Estate Industry Avg (This Year)

Incidents vs All-Companies Average (This Year)

Incident Types CoStar Group vs Real Estate Industry Avg (This Year)

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

CoStar Group Subsidiaries

Parent Company

CoStar Group

CoStar Group Similar Companies

Emaar

Greystar

REMAX

Zillow

FirstService Residential

Country Garden Group

Shimao Group

Compass

Lendlease

CoStar Group CyberSecurity News

News | Cybersecurity startup lease of Silicon Valley office park signals optimism at a crucial moment

Jim Cramer on CoStar Group: “Another Victim of AI That I Am Very Concerned About”

News | Colliers expands New York team; Newmark hires three Dallas directors; JLL adds healthcare principal

Jefferies Turns Bullish on CoStar Group (CSGP), Citing Strong EBITDA Growth Outlook

News | 5 things to know for Feb. 18

Little Italy office tower in foreclosure

Sales force Growth Fuels Bullish Views on CoStar Group (CSGP)

Troy cybersecurity software firm acquires Ohio company

Smart risk in a bull market - 7 stocks to watch for in 2026: Jon Erlichman

Global CVEs (Not Company-Specific)

Access Data Using Our API

What Do We Measure ?