Comparison Overview

TELUS

VS

T-Mobile

TELUS

510 West Georgia St., Vancouver, British Columbia, V6B 0M3, CA
Last Update: 2025-12-09
Between 750 and 799

At TELUS, our purpose-driven team works together every day to innovate and do good. From providing technology solutions that make our lives safer and easier, to supporting those who need it most, our inclusive, spirited and giving people are passionate about empowering our customers, communities and each other to thrive in our digital world. A company that helps you be your best self at home and at work: Find a place where you truly belong, your opinions are valued and you can be your best self. A career that ignites your full potential: Get the guidance and support you need to explore your interests, build your skills and get where you want to go. A culture that goes beyond the expected to strengthen communities and the planet: Seize the opportunity to make a difference in our communities and do good for our planet as part of our purpose-driven team. An innovative team committed to solving complex, real world problems: Join a digitally-enabled workforce that’s pushing the boundaries to create sustainable change. Join us, and let’s make the future friendly, together www.telus.com/careers

NAICS: 517
NAICS Definition: Telecommunications
Employees: 34,521
Subsidiaries: 7
12-month incidents
0
Known data breaches
0
Attack type number
0

T-Mobile

12920 SE 38th St, Bellevue, WA, US, 98006
Last Update: 2025-12-11
Between 600 and 649

T-Mobile US, Inc. (NASDAQ: TMUS) is America’s supercharged Un-carrier, delivering an advanced 4G LTE and transformative nationwide 5G network that will offer reliable connectivity for all. T-Mobile’s customers benefit from its unmatched combination of value and quality, unwavering obsession with offering them the best possible service experience and undisputable drive for disruption that creates competition and innovation in wireless and beyond. Based in Bellevue, Wash., T-Mobile provides services through its subsidiaries and operates its flagship brands, T-Mobile and Metro by T-Mobile. For more information, please visit: https://www.t-mobile.com.

NAICS: 517
NAICS Definition: Telecommunications
Employees: 89,361
Subsidiaries: 10
12-month incidents
1
Known data breaches
15
Attack type number
4

Compliance Badges Comparison

Security & Compliance Standards Overview

https://images.rankiteo.com/companyimages/telus.jpeg
TELUS
ISO 27001
ISO 27001 certification not verified
Not verified
SOC2 Type 1
SOC2 Type 1 certification not verified
Not verified
SOC2 Type 2
SOC2 Type 2 certification not verified
Not verified
GDPR
GDPR certification not verified
Not verified
PCI DSS
PCI DSS certification not verified
Not verified
HIPAA
HIPAA certification not verified
Not verified
https://images.rankiteo.com/companyimages/t-mobile.jpeg
T-Mobile
ISO 27001
ISO 27001 certification not verified
Not verified
SOC2 Type 1
SOC2 Type 1 certification not verified
Not verified
SOC2 Type 2
SOC2 Type 2 certification not verified
Not verified
GDPR
GDPR certification not verified
Not verified
PCI DSS
PCI DSS certification not verified
Not verified
HIPAA
HIPAA certification not verified
Not verified
Compliance Summary
TELUS
100%
Compliance Rate
0/4 Standards Verified
T-Mobile
0%
Compliance Rate
0/4 Standards Verified

Benchmark & Cyber Underwriting Signals

Incidents vs Telecommunications Industry Average (This Year)

No incidents recorded for TELUS in 2025.

Incidents vs Telecommunications Industry Average (This Year)

T-Mobile has 31.58% more incidents than the average of same-industry companies with at least one recorded incident.

Incident History — TELUS (X = Date, Y = Severity)

TELUS cyber incidents detection timeline including parent company and subsidiaries

Incident History — T-Mobile (X = Date, Y = Severity)

T-Mobile cyber incidents detection timeline including parent company and subsidiaries

Notable Incidents

Last 3 Security & Risk Events by Company

https://images.rankiteo.com/companyimages/telus.jpeg
TELUS
Incidents

No Incident

https://images.rankiteo.com/companyimages/t-mobile.jpeg
T-Mobile
Incidents

Date Detected: 10/2025
Type:Breach
Attack Vector: Passive Eavesdropping, Unencrypted Satellite Transmissions, Lack of Signal Encryption
Motivation: Academic Research, Security Awareness, Vulnerability Disclosure
Blog: Blog

Date Detected: 12/2024
Type:Breach
Attack Vector: Routing Infrastructure
Motivation: Surveillance, Espionage
Blog: Blog

Date Detected: 6/2023
Type:Data Leak
Blog: Blog

FAQ

TELUS company demonstrates a stronger AI Cybersecurity Score compared to T-Mobile company, reflecting its advanced cybersecurity posture governance and monitoring frameworks.

T-Mobile company has historically faced a number of disclosed cyber incidents, whereas TELUS company has not reported any.

In the current year, T-Mobile company has reported more cyber incidents than TELUS company.

Neither T-Mobile company nor TELUS company has reported experiencing a ransomware attack publicly.

T-Mobile company has disclosed at least one data breach, while TELUS company has not reported such incidents publicly.

T-Mobile company has reported targeted cyberattacks, while TELUS company has not reported such incidents publicly.

T-Mobile company has disclosed at least one vulnerability, while TELUS company has not reported such incidents publicly.

Neither TELUS nor T-Mobile holds any compliance certifications.

Neither company holds any compliance certifications.

T-Mobile company has more subsidiaries worldwide compared to TELUS company.

T-Mobile company employs more people globally than TELUS company, reflecting its scale as a Telecommunications.

Neither TELUS nor T-Mobile holds SOC 2 Type 1 certification.

Neither TELUS nor T-Mobile holds SOC 2 Type 2 certification.

Neither TELUS nor T-Mobile holds ISO 27001 certification.

Neither TELUS nor T-Mobile holds PCI DSS certification.

Neither TELUS nor T-Mobile holds HIPAA certification.

Neither TELUS nor T-Mobile holds GDPR certification.

Latest Global CVEs (Not Company-Specific)

Description

NXLog Agent before 6.11 can load a file specified by the OPENSSL_CONF environment variable.

Risk Information
cvss3
Base: 8.1
Severity: HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Description

uriparser through 0.9.9 allows unbounded recursion and stack consumption, as demonstrated by ParseMustBeSegmentNzNc with large input containing many commas.

Risk Information
cvss3
Base: 2.9
Severity: HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Description

A vulnerability was detected in Mayan EDMS up to 4.10.1. The affected element is an unknown function of the file /authentication/. The manipulation results in cross site scripting. The attack may be performed from remote. The exploit is now public and may be used. Upgrading to version 4.10.2 is sufficient to fix this issue. You should upgrade the affected component. The vendor confirms that this is "[f]ixed in version 4.10.2". Furthermore, that "[b]ackports for older versions in process and will be out as soon as their respective CI pipelines complete."

Risk Information
cvss2
Base: 5.0
Severity: LOW
AV:N/AC:L/Au:N/C:N/I:P/A:N
cvss3
Base: 4.3
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
cvss4
Base: 5.3
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/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
Description

MJML through 4.18.0 allows mj-include directory traversal to test file existence and (in the type="css" case) read files. NOTE: this issue exists because of an incomplete fix for CVE-2020-12827.

Risk Information
cvss3
Base: 4.5
Severity: HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:L
Description

A half-blind Server Side Request Forgery (SSRF) vulnerability exists in kube-controller-manager when using the in-tree Portworx StorageClass. This vulnerability allows authorized users to leak arbitrary information from unprotected endpoints in the control plane’s host network (including link-local or loopback services).

Risk Information
cvss3
Base: 5.8
Severity: HIGH
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N