2022 Ukraine cyberattacks (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "2022 Ukraine cyberattacks" in English language version.

refsWebsite

Global rank English rank

52web.archive.org

1^st place

7bbc.com

20^th place

30^th place

6worldcat.org

5^th place

5reuters.com

49^th place

47^th place

3nytimes.com

7^th place

2apnews.com

129^th place

89^th place

2wsj.com

79^th place

65^th place

2suspilne.media

3,117^th place

5,765^th place

2npr.org

92^nd place

72^nd place

1netblocks.org

low place

1euronews.com

612^th place

921^st place

1cyber.gc.ca

low place

1microsoft.com

153^rd place

151^st place

1venturebeat.com

616^th place

430^th place

1zdnet.com

786^th place

558^th place

1talosintelligence.com

low place

1dw.com

204^th place

353^rd place

1euractiv.com

3,286^th place

2,369^th place

1thehill.com

476^th place

282^nd place

1gov.uk

432^nd place

278^th place

1cnn.com

28^th place

26^th place

1welivesecurity.com

low place

1security.com

low place

1washingtonpost.com

34^th place

27^th place

1cybersecuritydive.com

low place

1sentinelone.com

low place

1wired.com

193^rd place

152^nd place

1cyberscoop.com

low place

1bloomberg.com

99^th place

77^th place

1espreso.tv

3,386^th place

9,696^th place

1newyorker.com

146^th place

110^th place

1cnbc.com

220^th place

155^th place

1reason.com

2,186^th place

1,287^th place

1the-village.com.ua

low place

1krebsonsecurity.com

low place

1unhcr.org

1,804^th place

1,429^th place

1sans.edu

low place

1bgpstream.com

low place

apnews.com

"Cyberattacks knock out sites of Ukrainian army, major banks". AP News. 2022-02-15. Archived from the original on 2022-02-24. Retrieved 2022-02-17.
Bajak, Frank (2022-03-31). "Satellite modems nexus of worst cyberattack of Ukraine war". Associated Press. Archived from the original on 2024-02-18. Retrieved 2024-02-06.

bbc.com

"Ukraine cyber-attack: Government and embassy websites targeted". BBC News. 2022-01-14. Archived from the original on 2022-01-15. Retrieved 2022-01-14.
"Ukraine war: Don't underestimate Russia cyber-threat, warns US". BBC News. 2022-05-11. Archived from the original on 2022-05-13. Retrieved 2022-05-12.
"Anonymous: How hackers are trying to undermine Putin". BBC News. 2022-03-20. Archived from the original on 2022-05-12. Retrieved 2022-05-12.
"Нова кібератака на банки була "найбільшою в історії України" й досі триває". BBC News. 2022-02-16. Archived from the original on 2022-02-24. Retrieved 2022-02-25.
"Cyber-attacks bring down many Ukraine websites". BBC News. 2022-02-23. Archived from the original on 2022-02-24. Retrieved 2022-02-24.
"Ukraine: EU deploys cyber rapid-response team". BBC News. 2022-02-22. Archived from the original on 2022-02-24. Retrieved 2022-02-24.
Corera, Gordon (2022-03-25). "Russia hacked Ukrainian satellite communications, officials believe". BBC. Archived from the original on 2024-02-06. Retrieved 2024-02-06.

bgpstream.com

"Possible BGP Hijack". BGPStream. Archived from the original on 2022-03-28. Retrieved 2022-03-28.

bloomberg.com

Manson, Katrina (2023-03-01). "The Satellite Hack Everyone Is Finally Talking About". Bloomberg. Archived from the original on 2023-12-07. Retrieved 2023-05-03.

cnbc.com

Sheetz, Michael (2022-02-28). "Viasat believes 'cyber event' is disrupting its satellite-internet service in Ukraine". CNBC. Archived from the original on 2023-09-18. Retrieved 2023-09-09.

cnn.com

edition.cnn.com

"Biden says he's now convinced Putin has decided to invade Ukraine, but leaves door open for diplomacy". CNN. 2022-02-19. Archived from the original on 2022-02-19.

cyber.gc.ca

"Cyber Threat Activity Related to the Russian Invasion of Ukraine" (PDF). Communications Security Establishment. Archived (PDF) from the original on 2024-02-02. Retrieved 2023-05-03.

cyberscoop.com

VICENS, AJ (2022-05-10). "UK, EU, US formally blame Russia for Viasat satellite hack before Ukraine invasion". CyberScoop. Archived from the original on 2024-01-07. Retrieved 2023-05-03.

cybersecuritydive.com

Jones, David (2022-04-01). "Viasat network cyberattack linked to newly discovered Russian wiper". Cyber Security Dive. Archived from the original on 2024-02-06. Retrieved 2024-02-06.

dw.com

"News Ukraine government websites hacked in 'global attack'". Deutsche Welle. Archived from the original on 2022-01-14. Retrieved 2022-01-14.

espreso.tv

zahid.espreso.tv

"На каналах Росії українська музика: хакери зламали телебачення ворогів. Еспресо.Захід". zahid.espreso.tv (in Ukrainian). Archived from the original on 2022-02-28. Retrieved 2022-02-28.

euractiv.com

Brzozowski, Alexandra; Pollet, Mathieu (2022-01-14). "EU pledges cyber support to Ukraine, pins hopes on Normandy format". www.euractiv.com. Archived from the original on 2022-02-01. Retrieved 2022-01-31.

euronews.com

"Ukraine's defence ministry and two banks targeted in cyberattack". euronews. 2022-02-15. Archived from the original on 2022-02-23.

gov.uk

"Government response: UK assess Russian involvement in cyber attacks on Ukraine". UK government. 2022-02-18. Archived from the original on 2022-02-25. Retrieved 2022-02-25.

krebsonsecurity.com

Krebs, Brian (2022-03-11). "Recent 10x Increase in Cyberattacks on Ukraine". Krebs on Security. Archived from the original on 2022-03-13. Retrieved 2022-03-11. While our overall traffic dropped in Kyiv — and slightly increased in Warsaw due to infrastructure outages inside of Ukraine — the ratio of "good queries" to "blocked queries" has spiked in both cities. The spike in the blocking ratio Wednesday (March 9, 2022) afternoon in Kyiv was around 10x the normal level compared with other cities in Europe. This order-of-magnitude jump is unprecedented.

microsoft.com

"Destructive malware targeting Ukrainian organizations". Microsoft Security Blog. 2022-01-16. Archived from the original on 2022-02-24. Retrieved 2022-01-17.

netblocks.org

"Ukraine banking and defense platforms knocked out amid heightened tensions with Russia". NetBlocks. 2022-02-15. Archived from the original on 2022-02-24.

newyorker.com

Farrow, Ronan (2023-08-21). "Elon Musk's Shadow Rule". The New Yorker. ISSN 0028-792X. Archived from the original on 2023-09-16. Retrieved 2023-09-09.

npr.org

Mosley, Tonya (2023-08-23). "Ronan Farrow says Elon Musk has become an 'arbiter' of the war in Ukraine". www.npr.org. Archived from the original on 2023-09-08. Retrieved 2023-09-09.
Mosley, Tonya (2023-08-23). "Ronan Farrow says Elon Musk has become an 'arbiter' of the war in Ukraine". www.npr.org. Archived from the original on 2023-09-08. Retrieved 2023-09-09.

nytimes.com

Kramer, Andrew E. (2022-01-14). "Hackers Bring Down Government Sites in Ukraine". The New York Times. ISSN 0362-4331. Archived from the original on 2022-01-15. Retrieved 2022-01-14.
Sanger, David E. (2022-01-16). "Microsoft Warns of Destructive Cyberattack on Ukrainian Computer Networks". The New York Times. ISSN 0362-4331. Archived from the original on 2022-02-23. Retrieved 2022-01-20.
Hopkins, Valerie (2022-02-15). "A hack of the Defense Ministry, army and state banks was the largest of its kind in Ukraine's history". The New York Times. ISSN 0362-4331. Archived from the original on 2022-02-17. Retrieved 2022-02-17.

reason.com

Reese, Isaac (2022-03-05). "Can Elon Musk's Starlink Keep Ukraine Online?". reason.com. Reason. Archived from the original on 2022-03-25. Retrieved 2022-03-14.

reuters.com

Polityuk, Pavel; Balmforth, Tom (2022-01-14). "'Be afraid': Ukraine hit by cyberattack as Russia moves more troops". Reuters. Archived from the original on 2022-01-14. Retrieved 2022-01-14.
Polityuk, Pavel (2022-01-14). "EXCLUSIVE Hackers likely used software administration rights of third party to hit Ukrainian sites, Kyiv says". Reuters. Archived from the original on 2022-02-21. Retrieved 2022-01-16.
Polityuk, Pavel (2022-01-16). "EXCLUSIVE Ukraine suspects group linked to Belarus intelligence over cyberattack". Reuters. Archived from the original on 2022-02-18. Retrieved 2022-01-16.
Satter, Satter (2022-03-15). "Satellite outage caused 'huge loss in communications' at war's outset -Ukrainian official". Reuters. Archived from the original on 2023-09-30. Retrieved 2024-02-06.
Pearson, James; Satter, Raphael; Bing, Christopher; Schectman, Joel (2022-03-12). "Exclusive: U.S. spy agency probes sabotage of satellite internet during Russian invasion, sources say". Reuters. Archived from the original on 2023-11-27. Retrieved 2024-02-06.

sans.edu

isc.sans.edu

Ullrich, Johannes. "BGP Hijacking of Twitter Prefix by RTComm.ru". ISC InfoSec. SANS. Archived from the original on 2022-03-29. Retrieved 2022-03-28.

security.com

symantec-enterprise-blogs.security.com

"Ukraine: Disk-wiping Attacks Precede Russian Invasion". symantec-enterprise-blogs.security.com. Archived from the original on 2022-02-25. Retrieved 2022-02-24.

sentinelone.com

Guerrero-Saade, Juan Andres (2022-03-31). "AcidRain | A Modem Wiper Rains Down on Europe". Sentinel One. Archived from the original on 2024-01-15. Retrieved 2024-02-06.

suspilne.media

Павлюк, Олег (2022-02-26). "Україна створює ІТ-армію — Федоров". Суспільне | Новини (in Ukrainian). Archived from the original on 2022-02-28. Retrieved 2022-02-28.
Павлюк, Олег (2022-02-26). "Хакери атакували російські сайти і, ймовірно, зламали російські телеканали". Суспільне | Новини (in Ukrainian). Archived from the original on 2022-02-26. Retrieved 2022-02-28.

talosintelligence.com

blog.talosintelligence.com

Warren Mercer; Vitor Ventura (2021-02-23). "Gamaredon - When nation states don't pay all the bills". Cisco. Archived from the original on 2022-03-19. Retrieved 2022-03-22.

the-village.com.ua

"Starlink в Україні: кому доступний інтернет від SpaceX та як ним користуватися". The Village Україна. 2022-04-29. Archived from the original on 2022-04-29. Retrieved 2022-07-12.

thehill.com

Zilbermints, Regina (2022-02-15). "Ukraine Defense Ministry, banks hit by cyberattack amid tensions with Russia". The Hill. Archived from the original on 2022-02-24.

unhcr.org

data2.unhcr.org

"Ukraine Refugee Situation". UNHCR. Archived from the original on 2022-03-13. Retrieved 2022-03-12.

venturebeat.com

Kyle Alspach (2022-02-04). "Microsoft discloses new details on Russian hacker group Gamaredon". VentureBeat. Archived from the original on 2022-02-06. Retrieved 2022-03-22.

washingtonpost.com

Nakashima, Ellen (2022-03-24). "Russian military behind hack of satellite communication devices in Ukraine at war's outset, U.S. officials say". The Washington Post. Archived from the original on 2023-06-01. Retrieved 2024-02-06.

web.archive.org

"Ukraine cyber-attack: Government and embassy websites targeted". BBC News. 2022-01-14. Archived from the original on 2022-01-15. Retrieved 2022-01-14.
Polityuk, Pavel; Balmforth, Tom (2022-01-14). "'Be afraid': Ukraine hit by cyberattack as Russia moves more troops". Reuters. Archived from the original on 2022-01-14. Retrieved 2022-01-14.
"Ukraine banking and defense platforms knocked out amid heightened tensions with Russia". NetBlocks. 2022-02-15. Archived from the original on 2022-02-24.
"Ukraine's defence ministry and two banks targeted in cyberattack". euronews. 2022-02-15. Archived from the original on 2022-02-23.
"Ukraine war: Don't underestimate Russia cyber-threat, warns US". BBC News. 2022-05-11. Archived from the original on 2022-05-13. Retrieved 2022-05-12.
"Anonymous: How hackers are trying to undermine Putin". BBC News. 2022-03-20. Archived from the original on 2022-05-12. Retrieved 2022-05-12.
"Cyber Threat Activity Related to the Russian Invasion of Ukraine" (PDF). Communications Security Establishment. Archived (PDF) from the original on 2024-02-02. Retrieved 2023-05-03.
Kramer, Andrew E. (2022-01-14). "Hackers Bring Down Government Sites in Ukraine". The New York Times. ISSN 0362-4331. Archived from the original on 2022-01-15. Retrieved 2022-01-14.
Polityuk, Pavel (2022-01-14). "EXCLUSIVE Hackers likely used software administration rights of third party to hit Ukrainian sites, Kyiv says". Reuters. Archived from the original on 2022-02-21. Retrieved 2022-01-16.
Polityuk, Pavel (2022-01-16). "EXCLUSIVE Ukraine suspects group linked to Belarus intelligence over cyberattack". Reuters. Archived from the original on 2022-02-18. Retrieved 2022-01-16.
"Destructive malware targeting Ukrainian organizations". Microsoft Security Blog. 2022-01-16. Archived from the original on 2022-02-24. Retrieved 2022-01-17.
"Cyberattacks knock out sites of Ukrainian army, major banks". AP News. 2022-02-15. Archived from the original on 2022-02-24. Retrieved 2022-02-17.
Sanger, David E. (2022-01-16). "Microsoft Warns of Destructive Cyberattack on Ukrainian Computer Networks". The New York Times. ISSN 0362-4331. Archived from the original on 2022-02-23. Retrieved 2022-01-20.
Kyle Alspach (2022-02-04). "Microsoft discloses new details on Russian hacker group Gamaredon". VentureBeat. Archived from the original on 2022-02-06. Retrieved 2022-03-22.
Charlie Osborne (2022-03-21). "Ukraine warns of InvisiMole attacks tied to state-sponsored Russian hackers". ZDNet. Archived from the original on 2022-03-22. Retrieved 2022-03-22.
Warren Mercer; Vitor Ventura (2021-02-23). "Gamaredon - When nation states don't pay all the bills". Cisco. Archived from the original on 2022-03-19. Retrieved 2022-03-22.
McMillan, Robert; Volz, Dustin (2022-01-20). "Ukraine Hacks Signal Broad Risks of Cyberwar Even as Limited Scope Confounds Experts". The Wall Street Journal. ISSN 0099-9660. Archived from the original on 2022-02-24. Retrieved 2022-01-26.
"News Ukraine government websites hacked in 'global attack'". Deutsche Welle. Archived from the original on 2022-01-14. Retrieved 2022-01-14.
Brzozowski, Alexandra; Pollet, Mathieu (2022-01-14). "EU pledges cyber support to Ukraine, pins hopes on Normandy format". www.euractiv.com. Archived from the original on 2022-02-01. Retrieved 2022-01-31.
Zilbermints, Regina (2022-02-15). "Ukraine Defense Ministry, banks hit by cyberattack amid tensions with Russia". The Hill. Archived from the original on 2022-02-24.
Hopkins, Valerie (2022-02-15). "A hack of the Defense Ministry, army and state banks was the largest of its kind in Ukraine's history". The New York Times. ISSN 0362-4331. Archived from the original on 2022-02-17. Retrieved 2022-02-17.
"Government response: UK assess Russian involvement in cyber attacks on Ukraine". UK government. 2022-02-18. Archived from the original on 2022-02-25. Retrieved 2022-02-25.
"Biden says he's now convinced Putin has decided to invade Ukraine, but leaves door open for diplomacy". CNN. 2022-02-19. Archived from the original on 2022-02-19.
"Нова кібератака на банки була "найбільшою в історії України" й досі триває". BBC News. 2022-02-16. Archived from the original on 2022-02-24. Retrieved 2022-02-25.
"Cyber-attacks bring down many Ukraine websites". BBC News. 2022-02-23. Archived from the original on 2022-02-24. Retrieved 2022-02-24.
"HermeticWiper: New data‑wiping malware hits Ukraine". WeLiveSecurity. 2022-02-24. Archived from the original on 2022-02-25. Retrieved 2022-02-24.
"Ukraine: Disk-wiping Attacks Precede Russian Invasion". symantec-enterprise-blogs.security.com. Archived from the original on 2022-02-25. Retrieved 2022-02-24.
"Ukraine: EU deploys cyber rapid-response team". BBC News. 2022-02-22. Archived from the original on 2022-02-24. Retrieved 2022-02-24.
Satter, Satter (2022-03-15). "Satellite outage caused 'huge loss in communications' at war's outset -Ukrainian official". Reuters. Archived from the original on 2023-09-30. Retrieved 2024-02-06.
Nakashima, Ellen (2022-03-24). "Russian military behind hack of satellite communication devices in Ukraine at war's outset, U.S. officials say". The Washington Post. Archived from the original on 2023-06-01. Retrieved 2024-02-06.
Pearson, James; Satter, Raphael; Bing, Christopher; Schectman, Joel (2022-03-12). "Exclusive: U.S. spy agency probes sabotage of satellite internet during Russian invasion, sources say". Reuters. Archived from the original on 2023-11-27. Retrieved 2024-02-06.
Jones, David (2022-04-01). "Viasat network cyberattack linked to newly discovered Russian wiper". Cyber Security Dive. Archived from the original on 2024-02-06. Retrieved 2024-02-06.
Corera, Gordon (2022-03-25). "Russia hacked Ukrainian satellite communications, officials believe". BBC. Archived from the original on 2024-02-06. Retrieved 2024-02-06.
Guerrero-Saade, Juan Andres (2022-03-31). "AcidRain | A Modem Wiper Rains Down on Europe". Sentinel One. Archived from the original on 2024-01-15. Retrieved 2024-02-06.
Bajak, Frank (2022-03-31). "Satellite modems nexus of worst cyberattack of Ukraine war". Associated Press. Archived from the original on 2024-02-18. Retrieved 2024-02-06.
BURGESS, MATT (2022-03-23). "A Mysterious Satellite Hack Has Victims Far Beyond Ukraine". Condé Nast. Wired. Archived from the original on 2024-01-27. Retrieved 2023-05-03.
VICENS, AJ (2022-05-10). "UK, EU, US formally blame Russia for Viasat satellite hack before Ukraine invasion". CyberScoop. Archived from the original on 2024-01-07. Retrieved 2023-05-03.
Manson, Katrina (2023-03-01). "The Satellite Hack Everyone Is Finally Talking About". Bloomberg. Archived from the original on 2023-12-07. Retrieved 2023-05-03.
Павлюк, Олег (2022-02-26). "Україна створює ІТ-армію — Федоров". Суспільне | Новини (in Ukrainian). Archived from the original on 2022-02-28. Retrieved 2022-02-28.
Павлюк, Олег (2022-02-26). "Хакери атакували російські сайти і, ймовірно, зламали російські телеканали". Суспільне | Новини (in Ukrainian). Archived from the original on 2022-02-26. Retrieved 2022-02-28.
"На каналах Росії українська музика: хакери зламали телебачення ворогів. Еспресо.Захід". zahid.espreso.tv (in Ukrainian). Archived from the original on 2022-02-28. Retrieved 2022-02-28.
Farrow, Ronan (2023-08-21). "Elon Musk's Shadow Rule". The New Yorker. ISSN 0028-792X. Archived from the original on 2023-09-16. Retrieved 2023-09-09.
Sheetz, Michael (2022-02-28). "Viasat believes 'cyber event' is disrupting its satellite-internet service in Ukraine". CNBC. Archived from the original on 2023-09-18. Retrieved 2023-09-09.
Mosley, Tonya (2023-08-23). "Ronan Farrow says Elon Musk has become an 'arbiter' of the war in Ukraine". www.npr.org. Archived from the original on 2023-09-08. Retrieved 2023-09-09.
Trofimov, Yaroslav; Maidenberg, Micah; FitzGerald, Drew (2022-07-16). "Ukraine Leans on Elon Musk's Starlink in Fight Against Russia". Wall Street Journal. ISSN 0099-9660. Archived from the original on 2023-09-13. Retrieved 2023-09-09.
Mosley, Tonya (2023-08-23). "Ronan Farrow says Elon Musk has become an 'arbiter' of the war in Ukraine". www.npr.org. Archived from the original on 2023-09-08. Retrieved 2023-09-09.
Reese, Isaac (2022-03-05). "Can Elon Musk's Starlink Keep Ukraine Online?". reason.com. Reason. Archived from the original on 2022-03-25. Retrieved 2022-03-14.
"Starlink в Україні: кому доступний інтернет від SpaceX та як ним користуватися". The Village Україна. 2022-04-29. Archived from the original on 2022-04-29. Retrieved 2022-07-12.
Krebs, Brian (2022-03-11). "Recent 10x Increase in Cyberattacks on Ukraine". Krebs on Security. Archived from the original on 2022-03-13. Retrieved 2022-03-11. While our overall traffic dropped in Kyiv — and slightly increased in Warsaw due to infrastructure outages inside of Ukraine — the ratio of "good queries" to "blocked queries" has spiked in both cities. The spike in the blocking ratio Wednesday (March 9, 2022) afternoon in Kyiv was around 10x the normal level compared with other cities in Europe. This order-of-magnitude jump is unprecedented.
"Ukraine Refugee Situation". UNHCR. Archived from the original on 2022-03-13. Retrieved 2022-03-12.
Ullrich, Johannes. "BGP Hijacking of Twitter Prefix by RTComm.ru". ISC InfoSec. SANS. Archived from the original on 2022-03-29. Retrieved 2022-03-28.
"Possible BGP Hijack". BGPStream. Archived from the original on 2022-03-28. Retrieved 2022-03-28.

welivesecurity.com

"HermeticWiper: New data‑wiping malware hits Ukraine". WeLiveSecurity. 2022-02-24. Archived from the original on 2022-02-25. Retrieved 2022-02-24.

wired.com

BURGESS, MATT (2022-03-23). "A Mysterious Satellite Hack Has Victims Far Beyond Ukraine". Condé Nast. Wired. Archived from the original on 2024-01-27. Retrieved 2023-05-03.

worldcat.org

search.worldcat.org

Kramer, Andrew E. (2022-01-14). "Hackers Bring Down Government Sites in Ukraine". The New York Times. ISSN 0362-4331. Archived from the original on 2022-01-15. Retrieved 2022-01-14.
Sanger, David E. (2022-01-16). "Microsoft Warns of Destructive Cyberattack on Ukrainian Computer Networks". The New York Times. ISSN 0362-4331. Archived from the original on 2022-02-23. Retrieved 2022-01-20.
McMillan, Robert; Volz, Dustin (2022-01-20). "Ukraine Hacks Signal Broad Risks of Cyberwar Even as Limited Scope Confounds Experts". The Wall Street Journal. ISSN 0099-9660. Archived from the original on 2022-02-24. Retrieved 2022-01-26.
Hopkins, Valerie (2022-02-15). "A hack of the Defense Ministry, army and state banks was the largest of its kind in Ukraine's history". The New York Times. ISSN 0362-4331. Archived from the original on 2022-02-17. Retrieved 2022-02-17.
Farrow, Ronan (2023-08-21). "Elon Musk's Shadow Rule". The New Yorker. ISSN 0028-792X. Archived from the original on 2023-09-16. Retrieved 2023-09-09.
Trofimov, Yaroslav; Maidenberg, Micah; FitzGerald, Drew (2022-07-16). "Ukraine Leans on Elon Musk's Starlink in Fight Against Russia". Wall Street Journal. ISSN 0099-9660. Archived from the original on 2023-09-13. Retrieved 2023-09-09.

wsj.com

McMillan, Robert; Volz, Dustin (2022-01-20). "Ukraine Hacks Signal Broad Risks of Cyberwar Even as Limited Scope Confounds Experts". The Wall Street Journal. ISSN 0099-9660. Archived from the original on 2022-02-24. Retrieved 2022-01-26.
Trofimov, Yaroslav; Maidenberg, Micah; FitzGerald, Drew (2022-07-16). "Ukraine Leans on Elon Musk's Starlink in Fight Against Russia". Wall Street Journal. ISSN 0099-9660. Archived from the original on 2023-09-13. Retrieved 2023-09-09.

zdnet.com

Charlie Osborne (2022-03-21). "Ukraine warns of InvisiMole attacks tied to state-sponsored Russian hackers". ZDNet. Archived from the original on 2022-03-22. Retrieved 2022-03-22.