Comparison Overview
PT. Indosat Tbk

PT. Indosat Tbk
Jl. Medan Merdeka Barat No. 21 Jakarta 10110, Indonesia, Jakarta Pusat, 10110, ID
Last Update: 02/04/2026
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 ...

Vivo (Telefônica Brasil)
Avenida Eng. Luís Carlos Berrini, 1376, São Paulo, 04571 - 000, BR
Last Update: 01/04/2026
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...
Compliance Ranges Comparison

PT. Indosat Tbk







Vivo (Telefônica Brasil)






Benchmark & Cyber Underwriting Signals
Incidents vs Telecommunications Industry Avg (This Year)
No incidents recorded for PT. Indosat Tbk in 2026.
Incidents vs Telecommunications Industry Avg (This Year)
No incidents recorded for Vivo (Telefônica Brasil) in 2026.
Incident History - PT. Indosat Tbk (X = Date, Y = Severity)
PT. Indosat Tbk cyber incidents detection timeline including parent company and subsidiaries.
Incident History - Vivo (Telefônica Brasil) (X = Date, Y = Severity)
Vivo (Telefônica Brasil) cyber incidents detection timeline including parent company and subsidiaries.
Notable Incidents

PT. Indosat Tbk

Vivo (Telefônica Brasil)
FAQ
Latest Global CVEs
Improper authorization in Microsoft Exchange Online allows an unauthorized attacker to disclose information over a network.
Authentication bypass by spoofing in Azure HorizonDB allows an unauthorized attacker to elevate privileges over a network.
Exposure of sensitive information to an unauthorized actor in Microsoft Graph allows an authorized attacker to disclose information over a network.
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.
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an authorized attacker to execute code over a network.