A1 Telekom Austria Group Company Cyber Security Posture
a1.groupWE ARE EMPOWERING DIGITAL LIFE We don't know how the world will look like in 2050, but we know that A1 Telekom Austria Group is geared up for current and future demands. We are a leading provider of digital services and communications solutions in Central and Eastern Europe, offering a state-of-the art network infrastructure as well as empowering digitalization. 19.000 of our employees and modern broadband infrastructure make digital business and lifestyle possible as well as enable more than 24 mio users to connect everywhere anytime. Our purpose is to Empower Digital Life in areas of communications, payment, entertainment services and integrated business solutions. We do this together with our operating companies in 7 European countries: Austria, Bulgaria, Croatia, Slovenia, Belarus, Republic of Serbia and Republic of North Macedonia. Headquartered in Vienna and listed on the Vienna Stock Exchange, the A1 Telekom Austria Group is an European unit of América Móvil, one of the world´s largest wireless services providers. You can follow us also here: https://twitter.com/TA_Group Find out more about us as employer on https://jobs.a1.com/
ATAG Company Details
a1-telekom-austria-group
11462 employees
19989
517
Telecommunications
a1.group
Scan still pending
A1 _3335394
In-progress
ATAG Risk Score (AI oriented)Between 900 and 1000
This score is AI-generated and less favored by cyber insurers, who prefer the TPRM score.
ATAG Global Score.png)
A1 Telekom Austria Group 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 |
A1 Telekom Austria Group Company Cyber Security News & History
| Entity | Type | Severity | Impact | Seen | Url ID | Details | View |
|---|---|---|---|---|---|---|---|
| A1 Hrvatska d.o.o. | Breach | 85 | 4 | 02/2022 | A1H13175522 | Link | |
Rankiteo Explanation : Attack with significant impact with customers data leaksDescription: Croatian phone carrier A1 Hrvatska suffered a data breach incident that impacted thousands of its customers. The breach compromised the personal information of about 200,000 customers, including names, personal identification numbers, physical addresses, and telephone numbers. The company investigated the incident with a computer forensics team and notified law enforcement and impacted customers. | |||||||
| A1 Telekom Austria Group | Breach | 60 | 3 | 11/2019 | A1T2156311222 | Link | |
Rankiteo Explanation : Attack with significant impact with internal employee data leaksDescription: A1 Telekom, the largest internet service provider in Austria, experienced a security breach amid a malware infection. The company suffered a malware infection in November 2019 but its security team detected the malware a month later, and removing the infection was more problematic than it initially anticipated. | |||||||
A1 Telekom Austria Group Company Subsidiaries
WE ARE EMPOWERING DIGITAL LIFE We don't know how the world will look like in 2050, but we know that A1 Telekom Austria Group is geared up for current and future demands. We are a leading provider of digital services and communications solutions in Central and Eastern Europe, offering a state-of-the art network infrastructure as well as empowering digitalization. 19.000 of our employees and modern broadband infrastructure make digital business and lifestyle possible as well as enable more than 24 mio users to connect everywhere anytime. Our purpose is to Empower Digital Life in areas of communications, payment, entertainment services and integrated business solutions. We do this together with our operating companies in 7 European countries: Austria, Bulgaria, Croatia, Slovenia, Belarus, Republic of Serbia and Republic of North Macedonia. Headquartered in Vienna and listed on the Vienna Stock Exchange, the A1 Telekom Austria Group is an European unit of América Móvil, one of the world´s largest wireless services providers. You can follow us also here: https://twitter.com/TA_Group Find out more about us as employer on https://jobs.a1.com/
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ATAG Cyber Security News
ENISA Telecom and Digital Infrastructure Security Forum 2025
The ENISA Telecom security forum brings together cybersecurity experts from the telecom sector, national authorities, and cybersecurity policy makers, ...
A1's Data Centres: Powering Digital Transformation
Share. By Charlie King. Share. Bojan Klasan, Head of Data Center at A1 Croatia explores how A1 is revolutionising the country's digital ...
A1's Data Centres: Powering Digital Transformation
A1's Croatian data centre infrastructure · Comprehensive cloud and hosting services · Commitment to sustainability and green technologies.
A1 Bank goes live with Avaloq’s core banking platform
A1 Bank in Austria has gone live with Avaloq's core banking platform, marking what it describes as a “major milestone” for its digital transformation journey.
Magenta Telekom brings back former CCO as new CEO
Magenta Telekom has reported increases in revenues and EBITDA in the first quarter of this year and said it has appointed former CCO Thomas Kicker as its new ...
Accenture Federal Services Bags $81M AI Contract from Social Security Administration
Accenture Federal Services has won an $81 million artificial intelligence and machine learning contract from the Social Security Administration (SSA). The ...
GCAs: A1 Telekom Austria Group - Where are they now?
Named winners of the Best European Project at the 2020 Global Carrier Awards for its dark fibre project, A1 Telekom Austria Group has ...
Hackers breached A1 Telekom, Austria's largest ISP
A1 needed more than six months to kick the hackers off its network. Whsitleblower claims the intruders were Chinese hackers.
RIT Croatia students develop a web and mobile solution for monitoring air quality and pollution in collaboration with A1 Hrvatska | RIT Croatia | RIT
This is a project that four teams of senior IT / Web and Mobile Computing Technology students will work on as part of the Senior Development Project course at ...
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Frequently Asked Questions
Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
ATAG CyberSecurity History Information
How many cyber incidents has ATAG faced?
Total Incidents: According to Rankiteo, ATAG has faced 2 incidents in the past.
What types of cybersecurity incidents have occurred at ATAG?
Incident Types: The types of cybersecurity incidents that have occurred incidents Breach.
How does ATAG detect and respond to cybersecurity incidents?
Detection and Response: The company detects and responds to cybersecurity incidents through third party assistance with Computer Forensics Team and law enforcement notified with True and communication strategy with Notified impacted customers.
Incident Details
Can you provide details on each incident?
Incident : Malware Infection
Title: A1 Telekom Malware Infection
Description: A1 Telekom, the largest internet service provider in Austria, experienced a security breach amid a malware infection.
Date Detected: December 2019
Type: Malware Infection
Incident : Data Breach
Title: Data Breach at A1 Hrvatska
Description: Croatian phone carrier A1 Hrvatska suffered a data breach incident that impacted thousands of its customers. The breach compromised the personal information of about 200,000 customers, including names, personal identification numbers, physical addresses, and telephone numbers. The company investigated the incident with a computer forensics team and notified law enforcement and impacted customers.
Type: Data Breach
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 Breach.
Impact of the Incidents
What was the impact of each incident?
Incident : Data Breach A1H13175522
Data Compromised: Names, Personal Identification Numbers, Physical Addresses, Telephone Numbers
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 Information.
Which entities were affected by each incident?
Incident : Malware Infection A1T2156311222
Entity Type: Internet Service Provider
Industry: Telecommunications
Location: Austria
Incident : Data Breach A1H13175522
Entity Type: Telecommunications Company
Industry: Telecommunications
Location: Croatia
Customers Affected: 200000
Response to the Incidents
What measures were taken in response to each incident?
Incident : Data Breach A1H13175522
Third Party Assistance: Computer Forensics Team
Law Enforcement Notified: True
Communication Strategy: Notified impacted customers
How does the company involve third-party assistance in incident response?
Third-Party Assistance: The company involves third-party assistance in incident response through Computer Forensics Team.
Data Breach Information
What type of data was compromised in each breach?
Incident : Data Breach A1H13175522
Type of Data Compromised: Personal Information
Number of Records Exposed: 200000
Personally Identifiable Information: Names, Personal Identification Numbers, Physical Addresses, Telephone Numbers
Investigation Status
How does the company communicate the status of incident investigations to stakeholders?
Communication of Investigation Status: The company communicates the status of incident investigations to stakeholders through was Notified impacted customers.
Post-Incident Analysis
What is the company's process for conducting post-incident analysis?
Post-Incident Analysis Process: The company's process for conducting post-incident analysis is described as Computer Forensics Team.
Additional Questions
Incident Details
What was the most recent incident detected?
Most Recent Incident Detected: The most recent incident detected was on December 2019.
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 were Names, Personal Identification Numbers, Physical Addresses and Telephone Numbers.
Response to the Incidents
What third-party assistance was involved in the most recent incident?
Third-Party Assistance in Most Recent Incident: The third-party assistance involved in the most recent incident was Computer Forensics Team.
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 were Names, Personal Identification Numbers, Physical Addresses and Telephone Numbers.
What was the number of records exposed in the most significant breach?
Number of Records Exposed in Most Significant Breach: The number of records exposed in the most significant breach was 200.0.
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.
