Comparison Overview

Telstra

VS

SFR

Telstra

400 George St, Sydney, NSW, AU, 2000
Last Update: 2026-04-02
View Profile
Between 700 and 749
https://www.telstra.com.au/careers

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
View Profile

SFR

16, Rue du Général Alain de Boissieu, Paris, 75015, FR
Last Update: 2026-04-01
Between 750 and 799
https://recrutement.sfr.com/

SFR is the number one alternative telecoms operator in France. SFR is also an operator providing a comprehensive range of services meeting the expectations of private and business customers alike, offering them the best of the digital world. At year-end 2011, the total number of mobile customers was 21.5 million, and the active broadband residential customer base represented 5 million customers, which represent respectively a 31.3% and 22% market share.

NAICS: 517
NAICS Definition: Telecommunications
Employees: 11,099
Subsidiaries: 7
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/sfr.jpeg
SFR
—
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
SFR
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 SFR in 2026.

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

Telstra cyber incidents detection timeline including parent company and subsidiaries

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

SFR 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/sfr.jpeg
SFR
Incidents

No Incident

FAQ

SFR 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 SFR company has not reported any.

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

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

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

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

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

Neither Telstra nor SFR holds any compliance certifications.

Neither company holds any compliance certifications.

SFR company has more subsidiaries worldwide compared to Telstra company.

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

Neither Telstra nor SFR holds SOC 2 Type 1 certification.

Neither Telstra nor SFR holds SOC 2 Type 2 certification.

Neither Telstra nor SFR holds ISO 27001 certification.

Neither Telstra nor SFR holds PCI DSS certification.

Neither Telstra nor SFR holds HIPAA certification.

Neither Telstra nor SFR 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.

Published
Date
2026-04-01
Updated
Date
2026-04-01
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
References
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.

Published
Date
2026-04-01
Updated
Date
2026-04-01
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
References
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.

Published
Date
2026-04-01
Updated
Date
2026-04-01
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
References
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.

Published
Date
2026-04-01
Updated
Date
2026-04-01
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
References
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.

Published
Date
2026-04-01
Updated
Date
2026-04-01
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
References