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Comparison Overview

A1 BulgariaA1 Bulgaria
VS
TeliaTelia
A1 Bulgaria

A1 Bulgaria

1, Kukush Str., Sofia, 1309, BG

Last Update: 26/12/2025

View Profile
Between 750 and 799
http://a1.bg
761/1000Fair

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, IC...

NAICS:517
NAICS Definition:Telecommunications
Employees:2,267
Subsidiaries:10
12-month incidents
0
Known data breaches
0
Attack type number
0
Telia

Telia

Stjärntorget 1, SOLNA, SE-169 94, SE

Last Update: 15/09/2026

View Profile
Between 700 and 749
http://www.teliacompany.com
748/1000Moderate

Our 15 000 talented colleagues serve millions of customers every day in one of the world’s most connected regions. With a strong connectivity base, we’re the hub in the digital ecosystem, empowering people, companies and societies to stay in touch with everything that m...

NAICS:517
NAICS Definition:Telecommunications
Employees:17,559
Subsidiaries:10
12-month incidents
1
Known data breaches
1
Attack type number
1

Compliance Ranges Comparison

Based On Specific Ai Models Category
A1 Bulgaria

A1 Bulgaria

-
ISO 27001Not verified
ISO 27001
-
SOC2 Type 1Not verified
SOC2 Type 1
-
SOC2 Type 2Not verified
SOC2 Type 2
-
GDPRNot verified
GDPR
-
PCI DSSNot verified
PCI DSS
-
HIPAANot verified
HIPAA
Telia

Telia

-
ISO 27001Not verified
ISO 27001
-
SOC2 Type 1Not verified
SOC2 Type 1
-
SOC2 Type 2Not verified
SOC2 Type 2
-
GDPRNot verified
GDPR
-
PCI DSSNot verified
PCI DSS
-
HIPAANot verified
HIPAA

Benchmark & Cyber Underwriting Signals

Incidents vs Telecommunications Industry Avg (This Year)

No incidents recorded for A1 Bulgaria in 2026.

Incidents

Incidents vs Telecommunications Industry Avg (This Year)

Telia has 1.96% fewer incidents than the average of all companies with at least one recorded incident.

Incidents

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

A1 Bulgaria cyber incidents detection timeline including parent company and subsidiaries.

R - Ransomware
C - Cyber Attack
D - Data Breach
V - Vulnerability

Incident History - Telia (X = Date, Y = Severity)

Telia cyber incidents detection timeline including parent company and subsidiaries.

R - Ransomware
C - Cyber Attack
D - Data Breach
V - Vulnerability

Notable Incidents

Last Cyber / HR Incidents / Global...
A1 Bulgaria

A1 Bulgaria

Incidents
No explicit notable incidents reported.
Telia

Telia

Incidents
🔒 Incident : Breach
TEL1772628030

FAQ

Between A1 Bulgaria company and Telia company, which one has the best AI Cybersecurity Score ?
Between A1 Bulgaria company and Telia company, which one has experienced more cyber incidents in the past ?
Between A1 Bulgaria company and Telia company, which one has experienced more cyber incidents this year ?
Between A1 Bulgaria company and Telia company, which one has experienced at least one ransomware attack ?
Between A1 Bulgaria company and Telia company, which one has experienced at least one data breach ?
Between A1 Bulgaria company and Telia company, which one has experienced at least one targeted cyberattack ?
Between A1 Bulgaria company and Telia company, which one has experienced at least one vulnerability ?
Between A1 Bulgaria company and Telia company, which one holds the most compliance certifications ?
Between A1 Bulgaria company and Telia company, which one holds the fewest compliance certifications ?
Between A1 Bulgaria company and Telia company, which one has the most subsidiaries ?
Between A1 Bulgaria company and Telia company, which one has the largest number of employees ?
Between A1 Bulgaria and Telia, which company holds both SOC 2 Type 1 certifications ?
Between A1 Bulgaria and Telia, which company holds both SOC 2 Type 2 certifications ?
Which company is ISO 27001 certified - A1 Bulgaria or Telia ?
Which company is PCI DSS compliant - A1 Bulgaria or Telia ?
Between A1 Bulgaria and Telia, which company complies with HIPAA regulations for healthcare data ?
Between A1 Bulgaria and Telia, which company complies with GDPR requirements ?

Latest Global CVEs

CVE-2026-100739
SUMMARY

A vulnerability was detected in mathurvishal CloudClassroom-PHP-Project up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be. This impacts an unknown function of the file viewresult.php. Performing a manipulation of the argument seno results in sql injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The vendor was contacted early about this disclosure but did not respond in any way.

PUBLISHED
Date2026-09-26
UPDATED
Date2026-09-26
RISK INFORMATION (Score: 7.3)
CVSS2
Base Score: 7.5
Complexity: LOW
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Base Score: 7.3
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS4
Base Score: 5.5
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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
3.9
REFERENCES
CVE-2026-94408
SUMMARY

Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)

PUBLISHED
Date2026-09-26
UPDATED
Date2026-09-26
RISK INFORMATION (Score: 4.9)
CVSS3
Base Score: 4.9
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
IMPACT SCORE
3.6
EXPLOITABILITY
1.2
REFERENCES
CVE-2026-94400
SUMMARY

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead denial of service via Excessive Allocation (CAPEC-130)

PUBLISHED
Date2026-09-26
UPDATED
Date2026-09-26
RISK INFORMATION (Score: 6.5)
CVSS3
Base Score: 6.5
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
IMPACT SCORE
3.6
EXPLOITABILITY
2.8
REFERENCES
CVE-2026-94399
SUMMARY

Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)

PUBLISHED
Date2026-09-26
UPDATED
Date2026-09-26
RISK INFORMATION (Score: 6.5)
CVSS3
Base Score: 6.5
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
IMPACT SCORE
3.6
EXPLOITABILITY
2.8
REFERENCES
CVE-2026-94398
SUMMARY

Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)

PUBLISHED
Date2026-09-26
UPDATED
Date2026-09-26
RISK INFORMATION (Score: 6.5)
CVSS3
Base Score: 6.5
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
IMPACT SCORE
3.6
EXPLOITABILITY
2.8
REFERENCES