
Telkomsel Company Cyber Security Posture
telkomsel.comWe are excited about the future! Here at Telkomsel, we continue to open up a world of more by enabling digital connectivity, digital platforms, and digital services. Over 29 years of serving the nation, we have consistently implemented the latest broadband technology, including 5G. We keep progressing to enrich our innovative digital solutions, including Mobile Gaming, Digital Entertainment, Digital Lifestyle, Mobile Financial Services, Enterprise Solutions, Fixed Mobile Convergence, and the Internet of Things. Our company is home to more than 6,100 employees working together to ensure technology implementation fully benefits society. We proudly serve more than 158,4 million customers nationwide, including those in the inner, outermost, and least developed regions. We aim to continuously deliver new digital technologies to connect and empower more people to create more economic and social opportunities. The challenge is big, but our desire to make a change is even bigger. If you are a change maker, this might be a place where we can make an impact together!
Telkomsel Company Details
telkomsel
16149 employees
502298.0
517
Telecommunications
telkomsel.com
Scan still pending
TEL_1085853
In-progress

Between 900 and 1000
This score is AI-generated and less favored by cyber insurers, who prefer the TPRM score.

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Telkomsel Company Scoring based on AI Models
Model Name | Date | Description | Current Score Difference | Score |
---|---|---|---|---|
AVERAGE-Industry | 03-12-2025 | This score represents the average cybersecurity rating of companies already scanned within the same industry. It provides a benchmark to compare an individual company's security posture against its industry peers. | N/A | Between 900 and 1000 |
Telkomsel Company Cyber Security News & History
Entity | Type | Severity | Impact | Seen | Url ID | Details | View |
---|---|---|---|---|---|---|---|
Telkomsel | Data Leak | 85 | 4 | 07/2020 | TEL212216123 | Link | |
Rankiteo Explanation : Attack with significant impact with customers data leaksDescription: 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 companyโs data server. The suspect took a picture of Dennyโs personal data and published it on Twitter account @opposite6890. Police charged him under the Electronic Information and Transaction (ITE) Law. |
Telkomsel Company Subsidiaries

We are excited about the future! Here at Telkomsel, we continue to open up a world of more by enabling digital connectivity, digital platforms, and digital services. Over 29 years of serving the nation, we have consistently implemented the latest broadband technology, including 5G. We keep progressing to enrich our innovative digital solutions, including Mobile Gaming, Digital Entertainment, Digital Lifestyle, Mobile Financial Services, Enterprise Solutions, Fixed Mobile Convergence, and the Internet of Things. Our company is home to more than 6,100 employees working together to ensure technology implementation fully benefits society. We proudly serve more than 158,4 million customers nationwide, including those in the inner, outermost, and least developed regions. We aim to continuously deliver new digital technologies to connect and empower more people to create more economic and social opportunities. The challenge is big, but our desire to make a change is even bigger. If you are a change maker, this might be a place where we can make an impact together!
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Telkomsel Cyber Security News
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Various security authentication innovations have emerged such as OTP, 2FA, and many other latest solutions.
Indonesia is hooked on Huawei
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5 Effective Strategies for Account Takeover Prevention
Account takeover is a type of cyberattack where a hacker gains unauthorized access to an account. This is often achieved by stealing login credentials.
Bluebird bolsters cybersecurity with BlackBerry, Telkomsel
BlackBerry Guard is a 24ร7 managed XDR service that offers companies access to trained threat prevention experts on a subscription-based model.
Indonesia telecom investment surges to boost customer experience
Telecom operators such as XL Axiata, Telkomsel, and Indosat are ramping up their network investment in Indonesia.
CrowdStrike Partners with Wipro to Enhance Cybersecurity with Next-Gen SIEM
Global cybersecurity leader CrowdStrike announced a strategic partnership with Wipro Limited, a leading technology services and consulting company,ย ...
Telkom Indonesia collaborates with F5 on cybersecurity services
Telkom Indonesia announced on Thursday that it has signed a Memorandum of Understanding (MoU) with cybersecurity firm F5 to collaborate onย ...
Weekly Intelligence Report โ 30 May 2025
CYFIRMA Research and Advisory Team would like to highlight ransomware trends and insights gathered while monitoring various forums.
Whatโs up withโฆ Fastweb+Vodafone, Telkomsel, Dell
In today's industry news roundup: Fastweb+Vodafone is putting its AI factory to revenue-generating use; Indonesia's Telkomsel is offeringย ...

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Frequently Asked Questions
Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
Telkomsel CyberSecurity History Information
How many cyber incidents has Telkomsel faced?
Total Incidents: According to Rankiteo, Telkomsel has faced 1 incident in the past.
What types of cybersecurity incidents have occurred at Telkomsel?
Incident Types: The types of cybersecurity incidents that have occurred incident Data Leak.
How does Telkomsel detect and respond to cybersecurity incidents?
Detection and Response: The company detects and responds to cybersecurity incidents through law enforcement notified with True.
Incident Details
Can you provide details on each incident?

Incident : Data Breach
Title: Data Breach at Telkomsel
Description: An outsourced worker at Telkomsel's customer service unit stole and published personal data of social media sensation Denny Siregar.
Type: Data Breach
Attack Vector: Insider Threat
Vulnerability Exploited: Access Control
Threat Actor: Insider
Motivation: Unauthorized Data Access and Disclosure
What are the most common types of attacks the company has faced?
Common Attack Types: The most common types of attacks the company has faced is Data Leak.
Impact of the Incidents
What was the impact of each incident?

Incident : Data Breach TEL212216123
Data Compromised: Personal Data
Brand Reputation Impact: Negative
Legal Liabilities: Electronic Information and Transaction (ITE) Law
What types of data are most commonly compromised in incidents?
Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Personal Data.
Which entities were affected by each incident?

Incident : Data Breach TEL212216123
Entity Type: Telecommunication Company
Industry: Telecommunications
Location: Indonesia
Response to the Incidents
What measures were taken in response to each incident?

Incident : Data Breach TEL212216123
Law Enforcement Notified: True
Data Breach Information
What type of data was compromised in each breach?
Regulatory Compliance
Were there any regulatory violations and fines imposed for each incident?

Incident : Data Breach TEL212216123
Regulations Violated: Electronic Information and Transaction (ITE) Law
Legal Actions: Police charged the suspect
How does the company ensure compliance with regulatory requirements?
Ensuring Regulatory Compliance: The company ensures compliance with regulatory requirements through Police charged the suspect.
Additional Questions
General Information
Who was the attacking group in the last incident?
Last Attacking Group: The attacking group in the last incident was an Insider.
Impact of the Incidents
What was the most significant data compromised in an incident?
Most Significant Data Compromised: The most significant data compromised in an incident was Personal Data.
Data Breach Information
What was the most sensitive data compromised in a breach?
Most Sensitive Data Compromised: The most sensitive data compromised in a breach was Personal Data.
Regulatory Compliance
What was the most significant legal action taken for a regulatory violation?
Most Significant Legal Action: The most significant legal action taken for a regulatory violation was Police charged the suspect.
What Do We Measure?
Every week, Rankiteo analyzes billions of signals to give organizations a sharper, faster view of emerging risks. With deeper, more actionable intelligence at their fingertips, security teams can outpace threat actors, respond instantly to Zero-Day attacks, and dramatically shrink their risk exposure window.
These are some of the factors we use to calculate the overall score:
Identify exposed access points, detect misconfigured SSL certificates, and uncover vulnerabilities across the network infrastructure.
Gain visibility into the software components used within an organization to detect vulnerabilities, manage risk, and ensure supply chain security.
Monitor and manage all IT assets and their configurations to ensure accurate, real-time visibility across the company's technology environment.
Leverage real-time insights on active threats, malware campaigns, and emerging vulnerabilities to proactively defend against evolving cyberattacks.
