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Київстар

Київстар Vendor Cyber Rating & Cyber Score

kyivstar.ua
in
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Київстар – найбільший український оператор електронних комунікацій, що станом на березень 2023 року обслуговував 24,3 млн абонентів мобільного зв’язку та понад 1,1 млн абонентів «Домашнього інтернету». Компанія надає послуги з використанням широкого спектра мобільних і фіксованих технологій, у тому числі 4G, Big Data, Cloud solutions, сервіси для кіберзахисту, цифрове ТБ та ін. Київстар допомагає абонентам, суспільству та країні долати складнощі воєнного часу. На липень 2023 року компанія надала гуманітарної допомоги країні, абонентам, ЗСУ на суму майже 1,1 млрд грн, а також інвестувала 6,7 млрд грн у відбудову та розвиток телеком мережі. Акціонер Київстар – міжнародна Група VEON. Акції Групи знаходяться на фондових біржах NASDAQ


Київстар A.I CyberSecurity Scoring

Incident Details
Київстар
Company Information
Website:http://kyivstar.ua
Employees number:3,227
Number of followers:38,541
NAICS:517
Industry Type:Telecommunications
Homepage:kyivstar.ua
Cyber Premium EstimationGet Supply Chain
Київстар Risk Score (AI oriented)
Between 750 and 799
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КиївстарTelecommunications
Updated:
02/04/2026
756/1000
Fair
Baa
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
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Київстар Global Score (TPRM)
xxxx
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КиївстарTelecommunications
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Київстар
КиївстарFair
Current Score
756Baa (FAIR)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
757Before Incident
JUNE 2026
757Before Incident
MAY 2026
756Before Incident
APRIL 2026
756Before Incident
MARCH 2026
756Before Incident
FEBRUARY 2026
756Before Incident
JANUARY 2026
755Before Incident
DECEMBER 2025
755Before Incident
NOVEMBER 2025
755Before Incident
OCTOBER 2025
755Before Incident
SEPTEMBER 2025
754Before Incident
AUGUST 2025
754Before Incident
DECEMBER 2023
763Before Incident
Cyber Attack
01 Dec 2023 • Київстар
Київстар

Powerful Hacker Attack on Kyivstar

745After Incident
CRITICAL-18
9415124
The primary telecom operator in Ukraine, Kyivstar, reports that it has been the victim of a "powerful hacker attack." Customers were left without internet or mobile service as a result of the attack, which also caused the air raid sirens in the northeastern city of Sumy to malfunction. Over 25 million people use Kyivstar's mobile service, while one million people use its home internet. The company used its social media channels to notify its clients about the outage due to the disruption to its website.
INCIDENT DETAILS -
TYPE
Cyber Attack
IMPACT
Mobile ServiceInternet ServiceAir Raid SirensService OutageSiren Malfunction
REFERENCES
Blog URLSource URL

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