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Comparison Overview

ComcastComcast
VS
TelefónicaTelefónica
Comcast

Comcast

Philadelphia, 19103, US

Last Update: 01/04/2026

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145/1000Critical

Welcome to Comcast. From the connectivity and platforms we provide to the content and experiences we create, we bring people together, globally. Our people think the world of our work, and that’s why our work is the best in the world.

NAICS:517
NAICS Definition:Telecommunications
Employees:60,619
Subsidiaries:12
12-month incidents
2
Known data breaches
11
Attack type number
5
Telefónica

Telefónica

Spain, Madrid, 28050, ES

Last Update: 12/05/2026

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Between 550 and 599
http://www.telefonica.com
582/1000Very Poor

Telefónica is today one of the largest telecommunications companies in the world in terms of market capitalisation and number of customers. We have the best infrastructure, as well as an innovative range of digital and data services; therefore, we are favorably position...

NAICS:517
NAICS Definition:Telecommunications
Employees:119,880
Subsidiaries:26
12-month incidents
0
Known data breaches
2
Attack type number
2

Compliance Ranges Comparison

Based On Specific Ai Models Category
Comcast

Comcast

-
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
Telefónica

Telefónica

-
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 Telecommunications Industry Avg (This Year)

Comcast has 8.11% more incidents than the average of same-industry companies with at least one recorded incident.

Incidents

Incidents vs Telecommunications Industry Avg (This Year)

No incidents recorded for Telefónica in 2026.

Incidents

Incident History - Comcast (X = Date, Y = Severity)

Comcast cyber incidents detection timeline including parent company and subsidiaries.

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

Incident History - Telefónica (X = Date, Y = Severity)

Telefónica 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...
Comcast

Comcast

Incidents
🔒 Incident : Breach
COM1774477423
🔒 Incident : Ransomware
NASCOM1771979720
🔒 Incident : Breach
COM1920819112525
Telefónica

Telefónica

Incidents
🔒 Incident : Breach
TEL1766404766
🔒 Incident : Breach
MOVTEL1767881948
🔒 Incident : Ransomware
TEL732070725

FAQ

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

Latest Global CVEs

CVE-2026-44541
SUMMARY

Fides is an open-source privacy engineering platform. From version 2.33.0 to before version 2.84.5, there is a DOM-based XSS vulnerability in fides.js via the fides_description override. This issue has been patched in version 2.84.5.

PUBLISHED
Date2026-06-08
UPDATED
Date2026-06-08
RISK INFORMATION (Score: )
CVSS4
Base Score: 7.0
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/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
NA
EXPLOITABILITY
NA
CVE-2026-49141
SUMMARY

WACRM prior to commit 73041bf contain an authorization bypass vulnerability in the automation engine that allows authenticated attackers to access and modify contacts belonging to other tenants by supplying an arbitrary caller-controlled contact_id in the POST request body without tenant ownership verification. Attackers can exploit the service-role client that bypasses row-level security to modify victim contact fields including name, email, and company across tenant boundaries using only a known contact UUID.

PUBLISHED
Date2026-06-08
UPDATED
Date2026-06-08
RISK INFORMATION (Score: 7.1)
CVSS3
Base Score: 7.1
Complexity: HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:N
CVSS4
Base Score: 5.1
Complexity: HIGH
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/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
4.7
EXPLOITABILITY
1.8
CVE-2026-47345
SUMMARY

Namespace attributes are not encoded correctly during HTML serialization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitizer before version 2.3.2.

PUBLISHED
Date2026-06-08
UPDATED
Date2026-06-08
RISK INFORMATION (Score: )
CVSS4
Base Score: 5.1
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/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
NA
EXPLOITABILITY
NA
CVE-2026-47344
SUMMARY

When ALLOW_INSECURE_RAW_TEXT is enabled, whitespace-variant closing tags (e.g., </style\t>) are not recognized by the sanitizer but accepted by browsers as valid end tags, allowing subsequent content to escape sanitization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitizer before version 2.3.2.

PUBLISHED
Date2026-06-08
UPDATED
Date2026-06-08
RISK INFORMATION (Score: )
CVSS4
Base Score: 2.1
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/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
NA
EXPLOITABILITY
NA
CVE-2026-46484
SUMMARY

Headplane is a feature-complete Web UI for Headscale. Prior to versions 0.6.3 and 0.7.0-beta.3, Headplane was vulnerable to a path traversal / authorization bypass in the Headscale API client used by node and user rename operations. This issue has been patched in versions 0.6.3 and 0.7.0-beta.3.

PUBLISHED
Date2026-06-08
UPDATED
Date2026-06-08
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:N/I:H/A:H
IMPACT SCORE
5.2
EXPLOITABILITY
2.8