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Comparison Overview

PT. Indosat TbkPT. Indosat Tbk
VS
Vivo (Telefônica Brasil)Vivo (Telefônica Brasil)
PT. Indosat Tbk

PT. Indosat Tbk

Jl. Medan Merdeka Barat No. 21 Jakarta 10110, Indonesia, Jakarta Pusat, 10110, ID

Last Update: 02/04/2026

View Profile
Between 750 and 799
https://www.ioh.co.id
768/1000Fair

Indosat Ooredoo Hutchison (IDX: ISAT) ("IOH"), are here with our vision to become the most preferred digital telecommunications company of Indonesia. The IOH merger combines two highly complementary businesses between PT Indosat Tbk (“Indosat Ooredoo”) and PT Hutchison ...

NAICS:517
NAICS Definition:Telecommunications
Employees:12,844
Subsidiaries:0
12-month incidents
0
Known data breaches
0
Attack type number
0
Vivo (Telefônica Brasil)

Vivo (Telefônica Brasil)

Avenida Eng. Luís Carlos Berrini, 1376, São Paulo, 04571 - 000, BR

Last Update: 01/04/2026

View Profile
Between 800 and 849
http://www.vivo.com.br
800/1000Good

Vivo (Telefônica Brasil) is part of the Telefónica Group and with more than 94 million customers, of which 75 million mobile and 19 million fixed, we are the largest telecommunications company in Brazil, with nationwide presence and a complete, convergent portfolio of p...

NAICS:517
NAICS Definition:Telecommunications
Employees:38,994
Subsidiaries:20
12-month incidents
0
Known data breaches
0
Attack type number
0

Compliance Ranges Comparison

Based On Specific Ai Models Category
PT. Indosat Tbk

PT. Indosat Tbk

-
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
Vivo (Telefônica Brasil)

Vivo (Telefônica Brasil)

-
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)

No incidents recorded for PT. Indosat Tbk in 2026.

Incidents

Incidents vs Telecommunications Industry Avg (This Year)

No incidents recorded for Vivo (Telefônica Brasil) in 2026.

Incidents

Incident History - PT. Indosat Tbk (X = Date, Y = Severity)

PT. Indosat Tbk cyber incidents detection timeline including parent company and subsidiaries.

No timeline data available
R - Ransomware
C - Cyber Attack
D - Data Breach
V - Vulnerability

Incident History - Vivo (Telefônica Brasil) (X = Date, Y = Severity)

Vivo (Telefônica Brasil) 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...
PT. Indosat Tbk

PT. Indosat Tbk

Incidents
No explicit notable incidents reported.
Vivo (Telefônica Brasil)

Vivo (Telefônica Brasil)

Incidents
No explicit notable incidents reported.

FAQ

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

Latest Global CVEs

CVE-2026-48579
SUMMARY

Improper authorization in Microsoft Exchange Online allows an unauthorized attacker to disclose information over a network.

PUBLISHED
Date2026-06-04
UPDATED
Date2026-06-04
RISK INFORMATION (Score: 9.1)
CVSS3
Base Score: 9.1
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
IMPACT SCORE
5.2
EXPLOITABILITY
3.9
CVE-2026-48567
SUMMARY

Authentication bypass by spoofing in Azure HorizonDB allows an unauthorized attacker to elevate privileges over a network.

PUBLISHED
Date2026-06-04
UPDATED
Date2026-06-04
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:N/I:H/A:H
IMPACT SCORE
5.8
EXPLOITABILITY
3.9
CVE-2026-47655
SUMMARY

Exposure of sensitive information to an unauthorized actor in Microsoft Graph allows an authorized attacker to disclose information over a network.

PUBLISHED
Date2026-06-04
UPDATED
Date2026-06-04
RISK INFORMATION (Score: 6.5)
CVSS3
Base Score: 6.5
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
IMPACT SCORE
3.6
EXPLOITABILITY
2.8
CVE-2026-47644
SUMMARY

Improper neutralization of special elements in output used by a downstream component ('injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to disclose information over a network.

PUBLISHED
Date2026-06-04
UPDATED
Date2026-06-04
RISK INFORMATION (Score: 6.5)
CVSS3
Base Score: 6.5
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
IMPACT SCORE
3.6
EXPLOITABILITY
2.8
CVE-2026-45497
SUMMARY

Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an authorized attacker to execute code over a network.

PUBLISHED
Date2026-06-04
UPDATED
Date2026-06-04
RISK INFORMATION (Score: 7.7)
CVSS3
Base Score: 7.7
Complexity: HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L
IMPACT SCORE
5.3
EXPLOITABILITY
1.8