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Comparison Overview

CENTURY 21®CENTURY 21®
VS
Keller Williams Realty, LLCKeller Williams Realty, LLC
CENTURY 21®

CENTURY 21®

International Headquarters, Madison, New Jersey, 07940, US

Last Update: 25/12/2025

View Profile
Between 750 and 799
http://century21.com
787/1000Fair

More than 140,000 affiliated agents strong in 81 countries. Changing the real estate game for 50+ years, and counting. This is our time and #ThisIsOurCentury.

NAICS:N/A
NAICS Definition:Others
Employees:38,203
Subsidiaries:42
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
CENTURY 21®

CENTURY 21®

-
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 CENTURY 21® in 2026.

Incidents

Incidents vs Real Estate Industry Avg (This Year)

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

Incidents

Incident History - CENTURY 21® (X = Date, Y = Severity)

CENTURY 21® cyber incidents detection timeline including parent company and subsidiaries.

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...
CENTURY 21®

CENTURY 21®

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

Keller Williams Realty, LLC

Incidents
🔒 Incident : Breach
KEL020091825

FAQ

Between CENTURY 21® company and Keller Williams Realty, LLC company, which one has the best AI Cybersecurity Score ?
Between CENTURY 21® company and Keller Williams Realty, LLC company, which one has experienced more cyber incidents in the past ?
Between CENTURY 21® company and Keller Williams Realty, LLC company, which one has experienced more cyber incidents this year ?
Between CENTURY 21® company and Keller Williams Realty, LLC company, which one has experienced at least one ransomware attack ?
Between CENTURY 21® company and Keller Williams Realty, LLC company, which one has experienced at least one data breach ?
Between CENTURY 21® company and Keller Williams Realty, LLC company, which one has experienced at least one targeted cyberattack ?
Between CENTURY 21® company and Keller Williams Realty, LLC company, which one has experienced at least one vulnerability ?
Between CENTURY 21® company and Keller Williams Realty, LLC company, which one holds the most compliance certifications ?
Between CENTURY 21® company and Keller Williams Realty, LLC company, which one holds the fewest compliance certifications ?
Between CENTURY 21® company and Keller Williams Realty, LLC company, which one has the most subsidiaries ?
Between CENTURY 21® company and Keller Williams Realty, LLC company, which one has the largest number of employees ?
Between CENTURY 21® and Keller Williams Realty, LLC, which company holds both SOC 2 Type 1 certifications ?
Between CENTURY 21® and Keller Williams Realty, LLC, which company holds both SOC 2 Type 2 certifications ?
Which company is ISO 27001 certified - CENTURY 21® or Keller Williams Realty, LLC ?
Which company is PCI DSS compliant - CENTURY 21® or Keller Williams Realty, LLC ?
Between CENTURY 21® and Keller Williams Realty, LLC, which company complies with HIPAA regulations for healthcare data ?
Between CENTURY 21® and Keller Williams Realty, LLC, which company complies with GDPR requirements ?

Latest Global CVEs

CVE-2026-102335
SUMMARY

Nginx Proxy Manager through 2.16.0 fails to restrict the advanced_config field to administrators, allowing non-admin users with manage permissions to inject arbitrary nginx directives. Attackers can inject malicious nginx configuration such as alias directives to serve arbitrary files or control routing for their assigned hosts.

PUBLISHED
Date2026-09-28
UPDATED
Date2026-09-28
RISK INFORMATION (Score: 7.1)
CVSS3
Base Score: 7.1
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
CVSS4
Base Score: 7.1
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/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
4.2
EXPLOITABILITY
2.8
CVE-2026-102334
SUMMARY

Nginx Proxy Manager through 2.16.0 lacks rate-limiting on authentication endpoints, allowing unauthenticated attackers to make unlimited password guesses against any account. Attackers can brute-force login credentials via POST /api/tokens and subsequently guess TOTP codes via POST /api/tokens/2fa to gain full session access and administrative control.

PUBLISHED
Date2026-09-28
UPDATED
Date2026-09-28
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
CVSS4
Base Score: 9.1
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/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
5.2
EXPLOITABILITY
2.2
CVE-2026-102333
SUMMARY

httpdbg before 2.2.1 fails to validate URL schemes in recorded HTTP request URLs rendered as clickable links in the web interface. Attackers controlling traffic recorded by httpdbg can supply javascript: scheme URLs that execute malicious scripts in the application origin when clicked, allowing access to captured request and response data including headers and tokens.

PUBLISHED
Date2026-09-28
UPDATED
Date2026-09-28
RISK INFORMATION (Score: 6.1)
CVSS3
Base Score: 6.1
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS4
Base Score: 5.3
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/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
2.7
EXPLOITABILITY
2.8
CVE-2026-102332
SUMMARY

Dozzle versions before 11.1.2 fail to sanitize container display names when building ZIP archive entry names in the log download endpoint. Attackers who can label containers can use path traversal sequences to write files outside the extraction directory when users download and extract logs.

PUBLISHED
Date2026-09-28
UPDATED
Date2026-09-28
RISK INFORMATION (Score: 6.1)
CVSS3
Base Score: 6.1
Complexity: HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N
CVSS4
Base Score: 4.6
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:H/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
4
EXPLOITABILITY
1.6
CVE-2026-101262
SUMMARY

A vulnerability has been found in Ziroom ZHOME A0101 1.0.1.0. This vulnerability affects unknown code of the file /api/ZRQos/set_online_client. The manipulation of the argument ip leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

PUBLISHED
Date2026-09-28
UPDATED
Date2026-09-28
RISK INFORMATION (Score: 9.1)
CVSS2
Base Score: 8.3
Complexity: LOW
AV:N/AC:L/Au:M/C:C/I:C/A:C
CVSS3
Base Score: 9.1
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS4
Base Score: 8.5
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/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
6
EXPLOITABILITY
2.3