Comparison Overview

Tata Communications

VS

BT Group

Tata Communications

Tata Communications Ltd, Mumbai, 400070, IN
Last Update: 2026-04-02

Tata Communications is a digital ecosystem enabler that powers today’s fast-growing digital economy. We enable the digital transformation of enterprises globally, including 300 of the Fortune 500. We carry around 30% of the world’s internet routes and connects businesses to 60% of the world’s cloud giants. We have been a part of the rich heritage of the internet in India. Over the last 25 years, enterprise-enabled services have been essential to the adoption of digital services in the country. Connectivity is an essential fabric of sustenance for the economy. We are committed to enabling Industry leaders in this New World of Communications™, with our unique promise of delivering secure connected digital experiences. In 2020, we announced the launch of ‘Secure Connected Digital Experience’ (SCDx), a proposition intended to meet this growing, worldwide demand for new ways of operating, which includes far higher levels of working from home, rising security risks, a shift to digital commerce, and more contactless experiences. It will help companies currently relying on short-term fixes by providing holistic, secure, enterprise-level digital solutions that address current challenges and are fit for the long term. To know more, visit TataCommunications.com Tata Communications Limited is listed on the Bombay Stock Exchange and the National Stock Exchange of India and is present in over 200 countries and territories around the world. We are committed to being an equal opportunity workplace and to providing an inclusive environment to all employees. All qualified applicants will receive consideration for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, or any other status protected by law. Tata Communications and its Recruitment Partners do not charge any fee or security deposit from the candidate for offering employment.

NAICS: 517
NAICS Definition: Telecommunications
Employees: 16,856
Subsidiaries: 0
12-month incidents
0
Known data breaches
0
Attack type number
0

BT Group

One Braham, London, GB, E1 8EE
Last Update: 2026-04-01
Between 700 and 749

We’re one of the world’s leading communications services companies. At BT Group, the solutions we sell are integral to modern life. Our purpose is as simple as it is ambitious: we connect for good. There are no limits to what people can do when they connect. And as technology changes our world, connections are becoming even more important to everyday life. Today, that’s truer than ever. The connections we make are helping solve the world’s biggest challenges such as the global pandemic, climate change and cyber security. Through the power of technology, we’re supporting customers to live, work and play together better.

NAICS: 517
NAICS Definition: Telecommunications
Employees: 72,954
Subsidiaries: 10
12-month incidents
0
Known data breaches
0
Attack type number
3

Compliance Badges Comparison

Security & Compliance Standards Overview

https://images.rankiteo.com/companyimages/tata-communication.jpeg
Tata Communications
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/bt.jpeg
BT Group
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
Tata Communications
100%
Compliance Rate
0/4 Standards Verified
BT Group
0%
Compliance Rate
0/4 Standards Verified

Benchmark & Cyber Underwriting Signals

Incidents vs Telecommunications Industry Average (This Year)

No incidents recorded for Tata Communications in 2026.

Incidents vs Telecommunications Industry Average (This Year)

No incidents recorded for BT Group in 2026.

Incident History — Tata Communications (X = Date, Y = Severity)

Tata Communications cyber incidents detection timeline including parent company and subsidiaries

Incident History — BT Group (X = Date, Y = Severity)

BT Group cyber incidents detection timeline including parent company and subsidiaries

Notable Incidents

Last 3 Security & Risk Events by Company

https://images.rankiteo.com/companyimages/tata-communication.jpeg
Tata Communications
Incidents

No Incident

https://images.rankiteo.com/companyimages/bt.jpeg
BT Group
Incidents

Date Detected: 1/2026
Type:Vulnerability
Attack Vector: Physical Tampering, Man-in-the-Middle Attack
Blog: Blog

Date Detected: 12/2024
Type:Ransomware
Blog: Blog

Date Detected: 05/2018
Type:Data Leak
Attack Vector: Exposed Default Password
Motivation: Unintentional Exposure
Blog: Blog

FAQ

Tata Communications company demonstrates a stronger AI Cybersecurity Score compared to BT Group company, reflecting its advanced cybersecurity posture governance and monitoring frameworks.

BT Group company has historically faced a number of disclosed cyber incidents, whereas Tata Communications company has not reported any.

In the current year, BT Group company has reported more cyber incidents than Tata Communications company.

BT Group company has confirmed experiencing a ransomware attack, while Tata Communications company has not reported such incidents publicly.

Neither BT Group company nor Tata Communications company has reported experiencing a data breach publicly.

Neither BT Group company nor Tata Communications company has reported experiencing targeted cyberattacks publicly.

BT Group company has disclosed at least one vulnerability, while Tata Communications company has not reported such incidents publicly.

Neither Tata Communications nor BT Group holds any compliance certifications.

Neither company holds any compliance certifications.

BT Group company has more subsidiaries worldwide compared to Tata Communications company.

BT Group company employs more people globally than Tata Communications company, reflecting its scale as a Telecommunications.

Neither Tata Communications nor BT Group holds SOC 2 Type 1 certification.

Neither Tata Communications nor BT Group holds SOC 2 Type 2 certification.

Neither Tata Communications nor BT Group holds ISO 27001 certification.

Neither Tata Communications nor BT Group holds PCI DSS certification.

Neither Tata Communications nor BT Group holds HIPAA certification.

Neither Tata Communications nor BT Group 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