What is the official website of A1 Bulgaria ?

The official website of A1 Bulgaria is http://a1.bg.

What is A1 Bulgaria's cybersecurity risk score?

A1 Bulgaria has an AI-generated cybersecurity risk score of 761 out of 1000, indicating a Fair security posture according to Rankiteo's assessment.

How many security incidents has A1 Bulgaria experienced?

According to Rankiteo, A1 Bulgaria currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.

Has A1 Bulgaria been affected by any supply chain cyber incidents ?

According to Rankiteo, A1 Bulgaria has not been affected by any supply chain cyber incidents, and no incident IDs are currently listed for the organization.

Does A1 Bulgaria have SOC 2 Type 1 certification ?

According to Rankiteo, A1 Bulgaria is not certified under SOC 2 Type 1.

Does A1 Bulgaria have SOC 2 Type 2 certification ?

According to Rankiteo, A1 Bulgaria does not hold a SOC 2 Type 2 certification.

Does A1 Bulgaria comply with GDPR ?

According to Rankiteo, A1 Bulgaria is not listed as GDPR compliant.

Does A1 Bulgaria have PCI DSS certification ?

According to Rankiteo, A1 Bulgaria does not currently maintain PCI DSS compliance.

Does A1 Bulgaria comply with HIPAA ?

According to Rankiteo, A1 Bulgaria is not compliant with HIPAA regulations.

Does A1 Bulgaria have ISO 27001 certification ?

According to Rankiteo,A1 Bulgaria is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.

Which industry does A1 Bulgaria operate in ?

A1 Bulgaria operates primarily in the Telecommunications industry.

How many employees does A1 Bulgaria have ?

A1 Bulgaria employs approximately 2,267 people worldwide.

Does A1 Bulgaria own any subsidiaries ?

A1 Bulgaria presently has no subsidiaries across any sectors.

How many LinkedIn followers does A1 Bulgaria have ?

A1 Bulgaria's official LinkedIn profile has approximately 28,359 followers.

What is the NAICS classification code for A1 Bulgaria ?

A1 Bulgaria is classified under the NAICS code 517, which corresponds to Telecommunications.

Does A1 Bulgaria have a Crunchbase profile ?

Yes, A1 Bulgaria has an official profile on Crunchbase, which can be accessed here: https://www.crunchbase.com/organization/a1-bg.

Does A1 Bulgaria have a LinkedIn profile ?

Yes, A1 Bulgaria maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/a1bulgaria.

How many cybersecurity incidents has A1 Bulgaria experienced ?

As of June 15, 2026, Rankiteo reports that A1 Bulgaria has experienced 2 cybersecurity incidents.

How many peer or competitor companies does A1 Bulgaria have ?

A1 Bulgaria has an estimated 10,195 peer or competitor companies worldwide.

What types of cybersecurity incidents has A1 Bulgaria faced ?

Incident Types: The types of cybersecurity incidents that have occurred include Breach.

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A1 Bulgaria

Boost Score +25 with badge (5 left)

761

/1000

Fair

786

/1000

Fair

A1 Bulgaria Vendor Cyber Rating & Cyber Score

a1.bg

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А1 е водещ доставчик на дигитални услуги и телекомуникационни решения в България. Компанията предоставя мобилни и фиксирани услуги, високоскоростен интернет, интерактивна, цифрова и сателитна телевизия, 4 собствени спортни канала с марката MAX Sport, платежни услуги, ICT, cloud и IoT бизнес решения на над 4,8 млн. клиенти. Близо 3600 служителя и модерна телекомуникационна и ICT инфраструктура осигуряват достъп до дигитални, свързвайки хора, неща и локации. А1 разполага със собствена оптична мрежа от над 21 000 км и модерна инфраструктура, която покрива 73 града и 133 малки населени места. Нашата 5G мрежа обхваща над 210 града и курорта, а 4G мрежата ни покрива над 99% от населението на страна. А1 България е част от A1 Group – водещ

A1 Bulgaria A.I CyberSecurity Scoring

Scoring History

A1 Bulgaria

A1 Bulgaria CyberSecurity News & History

Past Incidents

Attack Types

Entity

Type

Severity

Impact

Seen

Blog Details

Supply Chain Source

Incident Details

View

A1 Bulgaria

Breach

02/2022

A1H13175522

A1 Bulgaria

Breach

11/2019

A1T2156311222

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A.I.

A1 Bulgaria Company Scoring based on AI Models

Cyber Incidents Likelihood 3 - 6 - 9 months

Actual

Prediction

Incident Predictions locked

Access Monitoring Plan

A.I Risk Score Likelihood 3 - 6 - 9 months

Actual

Prediction A

Prediction B

Prediction C

Prediction D

A.I. Risk Score Predictions locked

Access Monitoring Plan

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Underwriter Stats for A1 Bulgaria

Incidents vs Telecommunications Industry Avg (This Year)

No incidents recorded for A1 Bulgaria in 2026.

Incidents vs All-Companies Average (This Year)

No incidents recorded for A1 Bulgaria in 2026.

Incident Types A1 Bulgaria vs Telecommunications Industry Avg (This Year)

No incidents recorded for A1 Bulgaria in 2026.

Incident History - A1 Bulgaria (X = Date, Y = Severity)

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SUBSIDIARY

A1 Bulgaria Subsidiaries

A1 Bulgaria

Telecommunications

Website: http://a1.bg

Company Size: 2,267

A1 Telekom Austria GroupTelecommunications

A1 Srbija d.o.o.Telecommunications

A1 MakedonijaTelecommunications

Vip mobile d.o.o.Telecommunications

A1 BelarusTelecommunications

A1 DigitalIT Services and IT Consulting

OffensityIT-Dienstleistungen und IT-Beratung

A1 Slovenija d.d.Telecommunications

A1 Telekom Austria AGTelecommunications

A1 Hrvatska d.o.o.Telecommunications

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A1 Bulgaria Similar Companies

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Proximus Group is a provider of future-proof connectivity, IT and digital services, headquartered in Brussels. The Group is actively engaged in building a connected world that people trust, so society blooms. The Domestic segment is focused on providing state-of-the art telecommunications and IT services in the Benelux. In Belgium, core products and services are offered under the Proximus, Mobile Vikings and Scarlet brands for the residential market and Proximus NXT for the Enterprise market. The Group is also active in the Netherlands and in Luxembourg (Tango and Proximus NXT). Proximus Global overarches the international activities of the Group, gathering the strengths of BICS, Telesign and Route Mobile. Encompassing the entire value chain from P2P Voice & Messaging and Mobility services to CPaaS and Digital Identity, Proximus Global is in a unique position to become a global digital communications leader. The Group has the ambition to build the #1 gigabit network for Belgium and plays a central role in creating inspiring digital ecosystems, while fostering an engaging culture and empowering ways of working. Building upon these strengths, Proximus aims to contribute to an inclusive and sustainable digital society, delight customers with an unrivalled experience and achieve profitable growth both locally and internationally to deliver long-term value for stakeholders. With 13,131 employees, imbued with Proximus' Think Possible mindset and all engaged to offer a superior customer experience, the Group realized an underlying Group revenue of EUR 6,430 million end-2024.

Telefónica

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Telefónica is today one of the largest telecommunications companies in the world in terms of market capitalisation and number of customers. We have the best infrastructure, as well as an innovative range of digital and data services; therefore, we are favorably positioned to meet the needs of our customers and capture growth in new businesses. We are sensitive to the new challenges demanded by society today and, therefore, we provide the means to facilitate communication between people, providing them with the most secure and cutting-edge technology. Our vision is focused on technology making people's lives easier and our aim is to promote progress in that direction, so that technology can make a positive impact on the world both socially and environmentally, and, ultimately, so as to provide value and trust in an ever-changing and accelerating world. Digital life is life itself, and technology is an essential part of being human. We want to create, protect and boost connections in life so people can choose a world of unlimited possibilities. We want to be a company in which our clients, employees, suppliers, shareholders, and society in general can trust. In order to achieve this, we communicate our strategy, business model and most relevant data to our stakeholders in a clear and transparent manner, so as to show the company's ability to create value.

Ericsson

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The future of mobile isn’t on the horizon, it’s happening now. At Ericsson, we’re building the foundation for an open network ecosystem where industries, developers, and enterprises thrive. The convergence of 5G, AI, cloud, and network APIs isn’t just a technological shift; it’s a transformation that is redefining industries and enhancing everyday life. Open, programmable networks are enabling real-time innovation and unlocking new business models across the globe. Imagine a world where developers can dynamically access network capabilities on demand, where enterprises don’t just use connectivity but shape it. This isn’t a distant vision, it’s the ecosystem we’re creating today. Collaboration fuels everything we do. By working across industries, we’re designing a future where connectivity isn’t just seamless. It’s intelligent, programmable, and transformative. The shift is happening. Are you part of it?

Telcel

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Free

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Ciena

cb ciena.com

Ciena (NYSE:CIEN) is the global leader in high-speed connectivity. We build advanced networks to support exponential growth in bandwidth demand—empowering our customers, partners, and communities to thrive in the AI era. With unparalleled expertise and innovation, our networking systems, interconnects, automation software, and services revolutionize data transmission and network management.

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NEWS

A1 Bulgaria CyberSecurity News

Latest updates, reports, and threat intel affecting the global network.

June 02, 2025 02:17 PM

Everything You Need to Know About Internet Access in Bulgaria (Even the Satellites!)

Operators and Networks: Three main mobile network operators (MNOs) serve Bulgaria: A1 Bulgaria, Yettel (formerly Telenor Bulgaria), and Vivacom.

Read Article

April 22, 2025 07:00 AM

Vodafone, A1 Group and Ericsson establish world first 5G Standalone international roaming connection between two operator groups

5G SA connection made between Vodafone Germany and A1 Bulgaria paves the way for advanced roaming services for customers.

Read Article

September 08, 2023 01:02 AM

A1 Group trials Nokia’s 5G Standalone (SA) Cloud RAN solution on their commercial 5G network

The solution brings agility, flexibility, and openness for operators and enterprises to establish new business and revenue models by delivering innovative...

Read Article

October 21, 2022 07:00 AM

How Prepared is Bulgaria to Fight Cyber Attacks? Experts Weigh in

80% of all malicious attempts in Bulgaria are phishing attacks and about 57% of all Bulgarian institutions have to face and prevent hacker attacks on a daily...

Read Article

August 23, 2022 07:00 AM

A1 Bulgaria launches Roaming Revolution tariff plans

A1 Bulgaria launched Roaming Revolution, a tariff plan that enables communication in over 130 destinations, including popular tourist spots...

Read Article

August 10, 2022 07:00 AM

A1 Bulgaria closes buy of local STEMO in boost to corporate IT services

A1 Bulgaria, a unit of A1 Telekom Austria Group, said on Wednesday that it has completed the acquisition of the entire share capital of...

Read Article

May 26, 2022 07:00 AM

A1 Telekom Austria buys Bulgaria’s Stemo

A1 Telekom Austria has acquired the leading Bulgarian ICT company Stemo for an undisclosed fee. Commenting on the development,...

Read Article

August 23, 2021 07:00 AM

Nokia and Ericsson win 5G contracts with A1 in the Balkans

A1 Telekom Austria Group has chosen Ericsson and Nokia as equipment suppliers for its 5G network deployments in Bulgaria, Croatia, Serbia and Slovenia.

Read Article

June 10, 2021 07:00 AM

A1 Bulgaria taps Nokia for 5G RAN

A1 Bulgaria has chosen Nokia as the main equipment supplier for its radio access network (RAN).

Read Article

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CVE

Latest

Global CVEs (Not Company-Specific)

CVE-2026-12191

SUMMARY

A vulnerability was found in Comma AI Openpilot 0.11. This issue affects the function pickle.load/pickle.loads of the file selfdrive/modeld/modeld.py of the component Pickle Module. The manipulation results in deserialization. The attack is only possible with local access. The vendor was contacted early about this disclosure but did not respond in any way.

Published

Date2026-06-14

Updated

Date2026-06-14

RISK INFORMATION (Score: 7.8)

cvss2

Base Score: 6.8

Complexity: LOW

AV:L/AC:L/Au:S/C:C/I:C/A:C

cvss3

Base Score: 7.8

Complexity: LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

cvss4

Base Score: 7.1

Complexity: LOW

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

5.9

Exploitability

1.8

REFERENCES

CVE-2026-12190

SUMMARY

A vulnerability has been found in Genspark AI Workspace App 2.8.4 on Android. This vulnerability affects unknown code of the component ai.mainfunc.genspark. The manipulation leads to improper authorization in handler for custom url scheme. The attack can only be performed from a local environment. The vendor was contacted early about this disclosure but did not respond in any way.

Published

Date2026-06-14

Updated

Date2026-06-14

RISK INFORMATION (Score: 5.3)

cvss2

Base Score: 4.3

Complexity: LOW

AV:L/AC:L/Au:S/C:P/I:P/A:P

cvss3

Base Score: 5.3

Complexity: LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

cvss4

Base Score: 4.8

Complexity: LOW

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

3.4

Exploitability

1.8

REFERENCES

CVE-2026-12189

SUMMARY

A flaw has been found in Moovit Bus & Public Transit App 1.18 on Android. This affects an unknown part of the component com.tranzmate. Executing a manipulation can lead to improper authorization in handler for custom url scheme. The attack can only be executed locally. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Published

Date2026-06-14

Updated

Date2026-06-14

RISK INFORMATION (Score: 5.3)

cvss2

Base Score: 4.3

Complexity: LOW

AV:L/AC:L/Au:S/C:P/I:P/A:P

cvss3

Base Score: 5.3

Complexity: LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

cvss4

Base Score: 1.9

Complexity: LOW

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

3.4

Exploitability

1.8

REFERENCES

CVE-2026-12188

SUMMARY

A vulnerability was detected in Grit42 Grit up to 0.11.0. Affected by this issue is some unknown functionality of the file modules/core/backend/app/controllers/concerns/grit/core/grit_entity_controller.rb of the component GritEntityController. Performing a manipulation results in sql injection. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Published

Date2026-06-14

Updated

Date2026-06-14

RISK INFORMATION (Score: 6.3)

cvss2

Base Score: 6.5

Complexity: LOW

AV:N/AC:L/Au:S/C:P/I:P/A:P

cvss3

Base Score: 6.3

Complexity: LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

cvss4

Base Score: 2.1

Complexity: LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

3.4

Exploitability

2.8

REFERENCES

CVE-2026-12187

SUMMARY

A security vulnerability has been detected in GL.iNet GL-MT3000 up to 4.4.5. Affected by this vulnerability is an unknown functionality of the file /usr/bin/one_click_upgrade of the component Online Firmware Upgrade Handler. Such manipulation leads to command injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 4.7 addresses this issue. Upgrading the affected component is advised. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Published

Date2026-06-14

Updated

Date2026-06-14

RISK INFORMATION (Score: 8.8)

cvss2

Base Score: 9.0

Complexity: LOW

AV:N/AC:L/Au:S/C:C/I:C/A:C

cvss3

Base Score: 8.8

Complexity: LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

cvss4

Base Score: 7.4

Complexity: LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

5.9

Exploitability

2.8

REFERENCES

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