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Comparison Overview

OpenreachOpenreach
VS
TelstraTelstra
Openreach

Openreach

6 Gracechurch Street, London, EC3V 0AT, GB

Last Update: 01/04/2026

View Profile
774/1000Fair

We’re the people who make the net work. As the nation’s largest wholesale broadband network, we’re rolling out Ultrafast Full Fibre broadband across the UK. It’s our fastest and most reliable broadband yet, and we’re well on our way to making it available to 25m homes ...

NAICS:517
NAICS Definition:Telecommunications
Employees:16,846
Subsidiaries:10
12-month incidents
1
Known data breaches
0
Attack type number
1
Telstra

Telstra

400 George St, Sydney, NSW, AU, 2000

Last Update: 02/04/2026

View Profile
740/1000Moderate

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 everyon...

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

Compliance Ranges Comparison

Based On Specific Ai Models Category
Openreach

Openreach

-
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
Telstra

Telstra

-
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)

Openreach has 47.09% fewer 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 Telstra in 2026.

Incidents

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

Openreach cyber incidents detection timeline including parent company and subsidiaries.

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

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

Telstra 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...
Openreach

Openreach

Incidents
🔒 Incident : Vulnerability
VIROPE1769597077
Telstra

Telstra

Incidents
🔒 Incident : Cyber Attack
CANADYATLHUBEPIMODGAMZOOWEWHALBETSONTEL1769527593
🔒 Incident : Breach
TEL23611122
🔒 Incident : Data Leak
TEL15346123

FAQ

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

Latest Global CVEs

CVE-2026-67978
SUMMARY

An issue in the SBN UDP interface of NASA cFS v7.0.1 allows attackers to cause a Denial of Service (DoS) via transmitting a crafted SBN frame.

PUBLISHED
Date2026-08-03
UPDATED
Date2026-08-03
IMPACT SCORE
NA
EXPLOITABILITY
NA
CVE-2026-67673
SUMMARY

A stack-based buffer overflow vulnerability exists in the cmd_edl function of OreSat Firmware v1.0. The vulnerability is triggered when processing the edl fw_flash command, where the <filename> argument is copied to a 64-byte stack buffer via memcpy without proper length validation. An attacker with physical access to the UART3 serial interface can exploit this vulnerability by sending a maliciously crafted command with an oversized filename parameter,

PUBLISHED
Date2026-08-03
UPDATED
Date2026-08-03
IMPACT SCORE
NA
EXPLOITABILITY
NA
CVE-2026-48399
SUMMARY

Adobe Campaign Classic (ACC) is affected by a Violation of Secure Design Principles vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized read access. Exploitation of this issue does not require user interaction.

PUBLISHED
Date2026-08-03
UPDATED
Date2026-08-03
RISK INFORMATION (Score: 7.5)
CVSS3
Base Score: 7.5
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
IMPACT SCORE
3.6
EXPLOITABILITY
3.9
CVE-2026-48333
SUMMARY

Adobe Campaign Classic (ACC) is affected by an Incorrect Authorization vulnerability that could result in privilege escalation. An attacker could exploit this vulnerability to gain elevated privileges. Exploitation of this issue does not require user interaction.

PUBLISHED
Date2026-08-03
UPDATED
Date2026-08-03
RISK INFORMATION (Score: 9.8)
CVSS3
Base Score: 9.8
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
IMPACT SCORE
5.9
EXPLOITABILITY
3.9
CVE-2026-48331
SUMMARY

Adobe Campaign Classic (ACC) is affected by a Server-Side Request Forgery (SSRF) vulnerability that could result in privilege escalation. Exploitation of this issue does not require user interaction. Scope is changed.

PUBLISHED
Date2026-08-03
UPDATED
Date2026-08-03
RISK INFORMATION (Score: 10)
CVSS3
Base Score: 10.0
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
IMPACT SCORE
6
EXPLOITABILITY
3.9