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IAM

Highlight dari Unit 42 Cloud Threat Report, 2H 2020

November 19, 2020 by Winnie the Pooh

Dalam Laporan Ancaman Cloud dari Unit 42 edisi 2H 2020, para peneliti melakukan Red Team exercise, memindai data cloud publik, dan menarik data milik Palo Alto Networks untuk menjelajahi lanskap ancaman dari identitas dan manajemen akses (IAM) dan mengidentifikasi di mana organisasi dapat meningkatkan konfigurasi IAM mereka.

Selama Red Team exercise, peneliti Unit 42 dapat menemukan dan memanfaatkan kesalahan konfigurasi IAM untuk mendapatkan akses admin ke seluruh lingkungan cloud Amazon Web Services (AWS) – potensi pelanggaran data jutaan dolar di dunia nyata.

Para peneliti berhasil mengeksploitasi IAM role trust policy “AssumeRole” yang salah dikonfigurasi untuk mendapatkan akses sementara ke resource sensitif.

Kebijakan yang salah dikonfigurasi memungkinkan setiap pengguna AWS yang tidak berada di akun untuk mengambil peran dan mendapatkan token akses. Hal ini dapat mengakibatkan sejumlah serangan terhadap organisasi, termasuk denial-of-service (DoS) dan ransomware, atau bahkan membuka pintu untuk advanced persistent threat (APT).

Peneliti Unit 42 menemukan bahwa 75% organisasi di Jepang dan Asia-Pasifik (JAPAC), serta 74% organisasi di Eropa, Timur Tengah, dan Afrika (EMEA), menggunakan Google Cloud untuk menjalankan workloads dengan hak istimewa admin.

Sebaliknya, hanya 54% organisasi di Amerika yang menjalankan jenis hak istimewa yang sama. Ini adalah praktik terbaik untuk menjalankan workloads dengan prinsip hak istimewa paling rendah – membatasi izin untuk pengguna seminimal yang mereka butuhkan.

Jika penyerang dapat membahayakan workload dengan hak istimewa admin, penyerang akan mendapatkan tingkat akses yang sama. Ini menyediakan jalur yang mudah bagi penyerang untuk menggunakan sumber daya cloud untuk melakukan serangan, seperti operasi cryptojacking, dengan mengorbankan organisasi.

Laporan selengkapnya dapat dibaca pada tautan di bawah ini;
Sumber: Unit 42 Paloalto

Tagged With: Amazon Web Services, AWS, Cloud, cloud security, Cybersecurity, DoS, IAM, Palo Alto Networks

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