Comparison Overview

Telstra

VS

Telcel

Telstra

400 George St, Sydney, NSW, AU, 2000
Last Update: 2026-04-02

We believe it’s people who give purpose to our technology. So we’re committed to staying close to our customers and providing them the best experience. And delivering the best tech. On the best network. Because our purpose is to build a connected future so everyone can thrive. We build technology and content solutions that are simple and easy to use, including Australia’s largest and fastest national mobile network. That’s why we strive to serve and know our customers better than anyone else – offering a choice of not just digital connection, but digital content as well. And that’s why we have an international presence spanning 15 countries, including China. In the 21st century, opportunity belongs to connected businesses, governments, communities and individuals. As Australia’s leading telecommunications and information services company, Telstra is proud to be helping our customers improve the ways in which they live and work through connection. Be first to know about Telstra news, advice and offers, as well as updates on our people and partners: tel.st/subscribe

NAICS: 517
NAICS Definition: Telecommunications
Employees: 35,254
Subsidiaries: 5
12-month incidents
0
Known data breaches
2
Attack type number
4

Telcel

Lago Zurich, Granada, 11520, MX
Last Update: 2026-04-02
Between 750 and 799

Telcel (Radiomóvil Dipsa) es subsidiaria de América Móvil, uno de los mayores proveedores de comunicaciones celulares de Latinoamérica, grupo líder con inversiones en telecomunicaciones en varios países del continente americano. Telcel es la empresa de telefonía celular líder en México. Nuestra solidez y estructura nos consolidan gracias a la especialización y actualización permanente de todas las personas que trabajamos en ella. Todos nosotros estamos comprometidos a satisfacer de manera eficaz y constante todas las necesidades de comunicación inalámbrica de nuestros clientes.

NAICS: 517
NAICS Definition: Telecommunications
Employees: 15,710
Subsidiaries: 0
12-month incidents
0
Known data breaches
0
Attack type number
0

Compliance Badges Comparison

Security & Compliance Standards Overview

https://images.rankiteo.com/companyimages/telstra.jpeg
Telstra
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/telcel.jpeg
Telcel
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
Telstra
100%
Compliance Rate
0/4 Standards Verified
Telcel
0%
Compliance Rate
0/4 Standards Verified

Benchmark & Cyber Underwriting Signals

Incidents vs Telecommunications Industry Average (This Year)

No incidents recorded for Telstra in 2026.

Incidents vs Telecommunications Industry Average (This Year)

No incidents recorded for Telcel in 2026.

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

Telstra cyber incidents detection timeline including parent company and subsidiaries

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

Telcel cyber incidents detection timeline including parent company and subsidiaries

Notable Incidents

Last 3 Security & Risk Events by Company

https://images.rankiteo.com/companyimages/telstra.jpeg
Telstra
Incidents

Date Detected: 12/2025
Type:Cyber Attack
Attack Vector: Voice Phishing (Vishing), Phishing Kits, MFA Bypass (Push Notifications, OTPs)
Motivation: Data Theft, Financial Gain, Credential Harvesting
Blog: Blog

Date Detected: 10/2022
Type:Breach
Blog: Blog

Date Detected: 05/2021
Type:Data Leak
Attack Vector: Unspecified
Motivation: Ransom
Blog: Blog
https://images.rankiteo.com/companyimages/telcel.jpeg
Telcel
Incidents

No Incident

FAQ

Telcel company demonstrates a stronger AI Cybersecurity Score compared to Telstra company, reflecting its advanced cybersecurity posture governance and monitoring frameworks.

Telstra company has historically faced a number of disclosed cyber incidents, whereas Telcel company has not reported any.

In the current year, Telcel company and Telstra company have not reported any cyber incidents.

Neither Telcel company nor Telstra company has reported experiencing a ransomware attack publicly.

Telstra company has disclosed at least one data breach, while the other Telcel company has not reported such incidents publicly.

Telstra company has reported targeted cyberattacks, while Telcel company has not reported such incidents publicly.

Telstra company has disclosed at least one vulnerability, while Telcel company has not reported such incidents publicly.

Neither Telstra nor Telcel holds any compliance certifications.

Neither company holds any compliance certifications.

Telstra company has more subsidiaries worldwide compared to Telcel company.

Telstra company employs more people globally than Telcel company, reflecting its scale as a Telecommunications.

Neither Telstra nor Telcel holds SOC 2 Type 1 certification.

Neither Telstra nor Telcel holds SOC 2 Type 2 certification.

Neither Telstra nor Telcel holds ISO 27001 certification.

Neither Telstra nor Telcel holds PCI DSS certification.

Neither Telstra nor Telcel holds HIPAA certification.

Neither Telstra nor Telcel holds GDPR certification.

Latest Global CVEs (Not Company-Specific)

Description

A vulnerability was found in Nothings stb up to 1.26. Impacted is the function stbtt_InitFont_internal in the library stb_truetype.h of the component TTF File Handler. Performing a manipulation results in out-of-bounds read. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

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

V-SFT versions 6.2.10.0 and prior contain an out-of-bounds read in VS6ComFile!get_macro_mem_COM. Opening a crafted V7 file may lead to information disclosure from the affected product.

Risk Information
cvss3
Base: 7.8
Severity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
cvss4
Base: 8.4
Severity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/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
Description

V-SFT versions 6.2.10.0 and prior contain a stack-based buffer overflow in VS6ComFile!CSaveData::_conv_AnimationItem. Opening a crafted V7 file may lead to arbitrary code execution on the affected product.

Risk Information
cvss3
Base: 7.8
Severity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
cvss4
Base: 8.4
Severity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/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
Description

V-SFT versions 6.2.10.0 and prior contain an out-of-bounds read vulnerability in VS6MemInIF!set_temp_type_default. Opening a crafted V7 file may lead to information disclosure from the affected product.

Risk Information
cvss3
Base: 7.8
Severity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
cvss4
Base: 8.4
Severity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/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
Description

V-SFT versions 6.2.10.0 and prior contain an out-of-bounds read vulnerability in VS6ComFile!load_link_inf. Opening a crafted V7 file may lead to information disclosure from the affected product.

Risk Information
cvss3
Base: 7.8
Severity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
cvss4
Base: 8.4
Severity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/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