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Telkomsel

Telkomsel Vendor Cyber Rating & Cyber Score

telkomsel.com
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Connecting Nation. Accelerating Indonesia's Future. As Indonesia's leading digital telecommunications company, Telkomsel is committed to building a connected, competitive, and future-ready society. For over 29 years, we've empowered individuals, homes, and businesses with innovative connectivity and digital solutions. With a nationwide network of over 271,000 BTS, we serve 159.4 million mobile users and 9.6 million fixed broadband (IndiHome B2C) customers. We continually expand our 4G coverage, advance 5G innovation, and deploy the latest fixed broadband technologies to enhance our customers' experiences. Beyond connectivity, Telkomsel plays a key role in driving Indonesia's digital transformation through services such as Digital


Telkomsel A.I CyberSecurity Scoring

Incident Details
Telkomsel
Company Information
Website:http://www.telkomsel.com
Employees number:16,661
Number of followers:509,817
NAICS:517
Industry Type:Telecommunications
Homepage:telkomsel.com
Cyber Premium EstimationGet Supply Chain
Telkomsel Risk Score (AI oriented)
Between 750 and 799
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TelkomselTelecommunications
Updated:
02/04/2026
774/1000
Fair
Baa
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
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Telkomsel Global Score (TPRM)
xxxx
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TelkomselTelecommunications
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Findings

Telkomsel
TelkomselFair
Current Score
774Baa (FAIR)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
775Before Incident
JUNE 2026
774Before Incident
MAY 2026
774Before Incident
APRIL 2026
774Before Incident
MARCH 2026
774Before Incident
FEBRUARY 2026
773Before Incident
JANUARY 2026
773Before Incident
DECEMBER 2025
773Before Incident
NOVEMBER 2025
773Before Incident
OCTOBER 2025
772Before Incident
SEPTEMBER 2025
772Before Incident
AUGUST 2025
772Before Incident
JULY 2020
788Before Incident
Data Leak
01 Jul 2020 • Telkomsel
Telkomsel

Data Breach at Telkomsel

735After Incident
CRITICAL-53
TEL212216123
A man who worked at the customer service unit of state-owned telecommunication company Telkomsel stole personal data of social media sensation Denny Siregar. He accessed personal data of Telkomsel customers. The suspect is an outsourced worker at Grapari with limited access to the company’s data server. The suspect took a picture of Denny’s personal data and published it on Twitter account @opposite6890. Police charged him under the Electronic Information and Transaction (ITE) Law.
INCIDENT DETAILS -
TYPE
Data Breach
MOTIVATION
Unauthorized Data Access and Disclosure
IMPACT
Data Compromised: Personal DataBrand Reputation Impact: NegativeLegal Liabilities: Electronic Information and Transaction (ITE) Law
DATA BREACH
Type Of Data Compromised: Personal Data
REFERENCES
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