Hafnium (kelompok mata-mata siber): Perbedaan antara revisi

'''Hafnium''' (kadang ditulis '''HAFNIUM''') merupakan sebuah kelompok mata-mata siber, yang kadang dikenal sebagai ancaman terus-menerus, yang dianggap berhubungan erat dengan [[Tiongkok]].<ref name="BBC">{{Cite news|date={{date|3 March 2021}}|title=Microsoft accuses China over email cyber-attacks|language=en-GB|work=[[BBC News]]|url=https://www.bbc.com/news/business-56261516|url-status=live|access-date={{date|10 March 2021}}}}</ref><ref name=":2">{{Cite news|last=Kevin|first=Collier|date={{date|9 March 2021}}|title='Really messy': Why the hack of Microsoft's email system is getting worse|work=[[NBC News]]|url=https://www.nbcnews.com/tech/security/really-messy-hack-microsofts-email-system-getting-worse-rcna377|url-status=live|access-date={{date|10 March 2021}}|language=en}}</ref><ref name="Microsoft-HAFNIUM">{{Cite web|date={{date|2 March 2021}}|title=HAFNIUM targeting Exchange Servers with 0-day exploits|url=https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/|url-status=live|access-date={{date|10 March 2021}}|website=Microsoft Security|publisher=[[Microsoft]]|language=en-US}}</ref> Microsoft menamai Hafnium sebagai kelompok yang bertanggung jawab pada [[kebobolan data Microsoft Exchange Server 2021]], yang diduga "didanai dan beroperasi di luar Tiongkok".<ref name=":2" /><ref name="Microsoft-HAFNIUM" /> Menurut Microsoft, mereka berbasis di Tiongkok tetapi menggunakan [[jaringan pribadi virtual]] di Amerika Serikat.<ref>{{Cite web|last=Burt|first=Tom|date={{date|2 March 2021}}|title=New nation-state cyberattacks|url=https://blogs.microsoft.com/on-the-issues/2021/03/02/new-nation-state-cyberattacks/|url-status=live|access-date={{date|10 March 2021}}|website=Microsoft On the Issues|publisher=[[Microsoft]]|language=en-US}}</ref> Penyelidik luar Microsoft belum memverifikasi identitas atau motif kelompok tersebut dalam menjalankan aktivitas tersebut.<ref name="Greenberg-Wired">{{Cite news|last=Greenberg|first=Andy|author-link=|date={{date|5 March 2021}}|title=Chinese Hacking Spree Hit an ‘Astronomical’ Number of Victims|language=en-us|work=Wired|url=https://www.wired.com/story/china-microsoft-exchange-server-hack-victims/|url-status=live|access-date={{date|10 March 2021}}|issn=1059-1028}}</ref> Tiongkok menyanggah keterlibatannya dalam kasus bobolnya data Microsoft 2021.<ref name=":2" />