* [Blog](https://www.paloaltonetworks.com.au/blog) * [Palo Alto Networks](https://www.paloaltonetworks.com.au/blog/corporate/) * [未分類](https://www.paloaltonetworks.com.au/blog/category/%e6%9c%aa%e5%88%86%e9%a1%9e/?lang=fr) * COVID-19雲端威脅概況... # COVID-19雲端威脅概況 [](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.paloaltonetworks.com.au%2Fblog%2F2020%2F05%2Fcovid-19-cloud-threat-landscape%2F%3Flang%3Dzh-hant) [](https://twitter.com/share?text=COVID-19%E9%9B%B2%E7%AB%AF%E5%A8%81%E8%84%85%E6%A6%82%E6%B3%81&url=https%3A%2F%2Fwww.paloaltonetworks.com.au%2Fblog%2F2020%2F05%2Fcovid-19-cloud-threat-landscape%2F%3Flang%3Dzh-hant) [](https://www.linkedin.com/shareArticle?mini=true&url=https%3A%2F%2Fwww.paloaltonetworks.com.au%2Fblog%2F2020%2F05%2Fcovid-19-cloud-threat-landscape%2F%3Flang%3Dzh-hant&title=COVID-19%E9%9B%B2%E7%AB%AF%E5%A8%81%E8%84%85%E6%A6%82%E6%B3%81&summary=&source=) [](https://www.paloaltonetworks.com//www.reddit.com/submit?url=https://www.paloaltonetworks.com.au/blog/2020/05/covid-19-cloud-threat-landscape/?lang=zh-hant&ts=markdown) [](mailto:?subject=COVID-19雲端威脅概況) Link copied By [Jay Chen](https://www.paloaltonetworks.com/blog/author/jay-chen/?lang=zh-hant&ts=markdown "Posts by Jay Chen") May 19, 2020 1 minutes [未分類](https://www.paloaltonetworks.com/blog/category/%e6%9c%aa%e5%88%86%e9%a1%9e/?lang=fr&ts=markdown) ![](https://www.paloaltonetworks.com/blog/wp-content/uploads/2020/05/unit42-cloud-covid19-blog-image.png) 自2020年3月9日到2020年4月26日七週期間，威脅情報團隊Unit 42分析了120萬個包含新冠肺炎大流行相關字眼的新註冊域名。當中逾86,600個屬「危險」或「惡意」域名，遍佈全球。 美國的惡意新域名數量最多（29,007），其次是意大利（2,877）、德國（2,564）和俄羅斯（2,456）。香港和中國內地合共有931個相關惡意新域名。 Unit 42研究人員亦發現，超過56,200個新註冊域名設置於四個雲端服務，包括Amazon Web Services（70.1%）、Google Cloud Platform（24.6%）、Microsoft Azure（5.3%）及阿里雲（\<0.1%）。 一些惡意域名有多個IP地址，而某些IP地址與多個域名有關聯。由於使用了內容傳遞網路（content delivery network），這種多對多對應通常在雲端環境發生，並會使基於IP的防火牆失效。 是次研究的部份重要發現如下： * 每天平均有1,767個與新冠肺炎相關的域名建立。 * 86,600多個域名中，2,829個設置於公有雲的域名屬危險或惡意 ○ 79.2% 設於AWS ○ 14.6% 設於GCP ○ 5.9% 設於Azure ○ 0.3% 設於阿里雲 * 不法之徒一直掩飾惡意活動，例如進行網絡釣魚及在雲端發放惡意軟件。 * 更高的價格和更嚴格的篩選/監控程序有助降低攻擊者在公共雲設置惡意域名的意欲。 惡意攻擊者利用雲端資源避開檢測和擴大攻擊規模，令來自雲端的威脅可能更難防禦。機構需要具備雲端原生的安全平台及更進階的應用程式感知防火牆，來確保企業環境安全。 Palo Alto Networks將持續監察新註冊的惡意域名。[Prisma Cloud](https://docs.paloaltonetworks.com/prisma/prisma-cloud/prisma-cloud-admin-compute/firewalls/cnaf.html)和[VM-Series](https://www.paloaltonetworks.com/resources/datasheets/vm-series-specsheet)都在雲端環境中提供了第七層防火牆功能，以防止來自這些域名的惡意行為。 ![](https://www.paloaltonetworks.com/blog/wp-content/uploads/2020/05/image002.png) *圖* *1.* *七週內有* *86,600* *多個* *COVID-19* *相關的惡意域名註冊* 如欲了解是次研究的更多詳情，請瀏覽此[網誌全文](https://unit42.paloaltonetworks.com/covid-19-cloud-threat-landscape/)。 *** ** * ** *** ## Related Blogs ### [未分類](https://www.paloaltonetworks.com/blog/category/%e6%9c%aa%e5%88%86%e9%a1%9e/?lang=fr&ts=markdown) [#### Strata Copilot - 加速邁向自發性網路安全性的未來](https://www.paloaltonetworks.com.au/blog/network-security/introducing-strata-copilot/?lang=zh-hant) ### [未分類](https://www.paloaltonetworks.com/blog/category/%e6%9c%aa%e5%88%86%e9%a1%9e/?lang=fr&ts=markdown) [#### 醫療企業是勒索軟體攻擊者的首要目標](https://www.paloaltonetworks.com.au/blog/2021/10/healthcare-organizations-are-the-top-target/?lang=zh-hant) ### [未分類](https://www.paloaltonetworks.com/blog/category/%e6%9c%aa%e5%88%86%e9%a1%9e/?lang=fr&ts=markdown) [#### 適用於 5G 的零信任：實現安全的數位轉型](https://www.paloaltonetworks.com.au/blog/2021/10/zero-trust-for-5g-digital-transformation/?lang=zh-hant) ### [未分類](https://www.paloaltonetworks.com/blog/category/%e6%9c%aa%e5%88%86%e9%a1%9e/?lang=fr&ts=markdown) [#### 網路攻擊鎖定金融服務企業的 3 個原因以及防禦方式](https://www.paloaltonetworks.com.au/blog/2021/10/financial-services-cyberattacks/?lang=zh-hant) ### [未分類](https://www.paloaltonetworks.com/blog/category/%e6%9c%aa%e5%88%86%e9%a1%9e/?lang=fr&ts=markdown) [#### 連續 7 年提供出色的客戶服務](https://www.paloaltonetworks.com.au/blog/2021/10/delivering-outstanding-customer-service/?lang=zh-hant) ### [未分類](https://www.paloaltonetworks.com/blog/category/%e6%9c%aa%e5%88%86%e9%a1%9e/?lang=fr&ts=markdown) [#### Palo Alto Networks 研究：61% 的企業難以確保在家工作的遙距網絡安全](https://www.paloaltonetworks.com.au/blog/2021/09/state-of-hybrid-workforce-security-2021/?lang=zh-hant) ### Subscribe to the Blog! 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