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A1 Telekom Austria Group

A1 Telekom Austria Group Vendor Cyber Rating & Cyber Score

a1.group
in
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ISO 27001
SOC 2 Type 1
SOC 2 Type 2
PCI DSS
HIPAA
GDPR

WE ARE EMPOWERING DIGITAL LIFE We don't know what 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


ATAG A.I CyberSecurity Scoring

Incident Details
ATAG
Company Information
Website:https://www.a1.group/
Employees number:12,126
Number of followers:21,757
NAICS:517
Industry Type:Telecommunications
Homepage:a1.group
Cyber Premium EstimationGet Supply Chain
ATAG Risk Score (AI oriented)
Between 750 and 799
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ATAGTelecommunications
Updated:
02/04/2026
762/1000
Fair
Baa
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
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ATAG Global Score (TPRM)
xxxx
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ATAGTelecommunications
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Score locked
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Findings

ATAG
ATAGFair
Current Score
762Baa (FAIR)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
764Before Incident
JUNE 2026
764Before Incident
MAY 2026
765Before Incident
APRIL 2026
763Before Incident
MARCH 2026
763Before Incident
FEBRUARY 2026
763Before Incident
JANUARY 2026
763Before Incident
DECEMBER 2025
761Before Incident
NOVEMBER 2025
762Before Incident
OCTOBER 2025
762Before Incident
SEPTEMBER 2025
762Before Incident
AUGUST 2025
761Before Incident
NOVEMBER 2019
776Before Incident
Breach
01 Nov 2019 • ATAG
A1 Telekom Austria Group

A1 Telekom Malware Infection

718After Incident
HIGH-58
A1T2156311222
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.
INCIDENT DETAILS -
TYPE
Malware Infection
REFERENCES
Blog URLSource URL

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