Ukrainian Internet service providers used by the Armed Forces are worried about Russia’s use of more dangerous digital weapons as the war enters its second month after a major cyberattack on Monday, according to Ukrainian officials. is doing.
The attack on Ukrtelecom PJSC has been described by some experts as one of the most harmful cyber attacks since Russia’s invasion of Ukraine on February 24th. At around 3:30 pm on Monday, Ukrainian authorities have repelled the attack, and the company may be able to restore service, according to a statement from the Ukrainian Special Communications and Information Protection Agency, which is responsible for Ukrainian cybersecurity.
A statement from a Ukrainian cyber agency does not reveal who is responsible for the cyberattack. According to security experts, Russia-linked hackers have launched a variety of cyberattacks on financial services companies, Internet service providers and government agencies since February this year. After the invasion on February 24th.
Russia has denied involvement in cyber attacks.
Ukrtelecom is Ukraine’s largest landline service provider and the country’s seventh largest internet service provider, said Doug Madory, Internet Analysis Director at network monitoring firm Kentic Inc.
Ukrtelecom’s ability to connect to the Internet and serve customers began to decline around 5 am, according to data from the Georgia Institute of Technology’s Internet Outage Detection and Analysis Project, which monitors Internet power outages, Monday 1st. Gradually declined through. According to Madrid, the company was almost completely offline.
After the attack began, the company began limiting services to the majority of business and consumer customers in order to maintain the capabilities of military customers, SSSCIP said.
As of 4:30 pm EST, about 8% of the Ukrtelecom network measured by the Georgia Institute of Technology’s Internet Outage Project was online.
Ukrtelecom did not return a request for comment, but said in a post on its Facebook page on Monday that Ukrtelecom acknowledged the outage and is working to restore stable service as soon as possible.
The confusion was confirmed by multiple groups monitoring Internet traffic. Netblocks, an internet observatory that has tracked previous outages in Ukraine, said: On twitter The network data showed “a continuous and intensifying nationwide service disruption, the most serious registration since the Russian invasion.”
Cybersecurity experts and U.S. officials are in conflict in Ukraine because Russia is widely seen as having some of the world’s most capable state-sponsored hacking groups, and Moscow was previously accused. I am surprised that there were no large-scale destructive or destructive cyber attacks on the Ukrainian government, which launched a cyber attack that disrupted the power network and financial services.
Malicious cyber activity is primarily limited to the interruption of website services and the limited deployment of so-called wiper malware that can corrupt computer files. In response to the battlefield struggle and the sanctions enacted by the United States and Europe.
Last week, President Biden said intelligence is evolving, suggesting that Russia is looking for options to target the United States in cyberattacks.
Write to Robert McMillan at Robert.Mcmillan@wsj.com and DustinVolz at email@example.com
Copyright © 2022 DowJones & Company, Inc. All Rights Reserved. 87990cbe856818d5eddac44c7b1cdeb8
On March 29, 2022, it appeared in print as “Ukrainian military internet provider was attacked”.