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data from cloud storage technique t1530 enterprise mitre att ck matrices enterprise mobile ics tactics enterprise mobile ics techniques enterprise mobile ics defenses mitigations enterprise mobile ics assets detections detection strategies analytics data components cti groups software campaigns resources get started learn more about att ck att ck advisory council att ckcon att ck data tools faq engage with att ck version history updates legal branding benefactors contribute blog search att ckcon 7 0 in person tickets are open join us october 27 28 2026 in mclean va register here for in person tickets hotel and location details can be found in the faq home techniques enterprise data from cloud storage data from cloud storage adversaries may access data from cloud storage many iaas providers offer solutions for online data object storage such as amazon s3 azure storage and google cloud storage similarly saas enterprise platforms such as office 365 and google workspace provide cloud based document storage to users through services such as onedrive and google drive while saas application providers such as slack confluence salesforce and dropbox may provide cloud storage solutions as a peripheral or primary use case of their platform in some cases as with iaas based cloud storage there exists no overarching application such as sql or elasticsearch with which to interact with the stored objects instead data from these solutions is retrieved directly though the cloud api in saas applications adversaries may be able to collect this data directly from apis or backend cloud storage objects rather than through their front end application or interface i e data from information repositories adversaries may collect sensitive data from these cloud storage solutions providers typically offer security guides to help end users configure systems though misconfigurations are a common problem 1 2 3 there have been numerous incidents where cloud storage has been improperly secured typically by unintentionally allowing public access to unauthenticated users overly broad access by all users or even access for any anonymous person outside the control of the identity access management system without even needing basic user permissions this open access may expose various types of sensitive data such as credit cards personally identifiable information or medical records 4 5 6 7 adversaries may also obtain then abuse leaked credentials from source repositories logs or other means as a way to gain access to cloud storage objects id t1530 sub techniques no sub techniques ⓘ tactic collection ⓘ platforms iaas office suite saas contributors appomni arun seelagan cisa netskope praetorian version 2 2 created 30 august 2019 last modified 12 may 2026 version permalink live version procedure examples id name description c0063 2025 poland wiper attacks during the 2025 poland wiper attacks the adversaries leveraged stolen credentials within cloud services to download targeted data from sharepoint and teams 8 s0677 aadinternals aadinternals can collect files from a user s onedrive 9 g1044 apt42 apt42 has collected data from microsoft 365 environments 10 11 c0027 c0027 during c0027 scattered spider accessed victim onedrive environments to search for vpn and mfa enrollment information help desk instructions and new hire guides 12 g0117 fox kitten fox kitten has obtained files from the victim s cloud storage instances 13 g0125 hafnium hafnium has exfitrated data from onedrive 14 s1091 pacu pacu can enumerate and download files stored in aws storage services such as s3 buckets 15 s0683 peirates peirates can dump the contents of aws s3 buckets it can also retrieve service account tokens from kops buckets in google cloud storage or s3 16 g1015 scattered spider scattered spider enumerates data stored in cloud resources for collection and exfiltration purposes 17 g1057 shinyhunters shinyhunters has collected data from insecure cloud buckets 18 g1053 storm 0501 storm 0501 had modified azure storage account resources through the microsoft storage storageaccounts write operation to expose non remotely accessible accounts for data exfiltration 19 s9009 trufflehog trufflehog has the ability to scan cloud storage services for credentials to include amazon aws s3 and google cloud storage 20 21 mitigations id mitigation description m1047 audit frequently check permissions on cloud storage to ensure proper permissions are set to deny open or unprivileged access to resources 1 m1041 encrypt sensitive information encrypt data stored at rest in cloud storage 1 2 managed encryption keys can be rotated by most providers at a minimum ensure an incident response plan to storage breach includes rotating the keys and test for impact on client applications 22 m1037 filter network traffic cloud service providers support ip based restrictions when accessing cloud resources consider using ip allowlisting along with user account management to ensure that data access is restricted not only to valid users but only from expected ip ranges to mitigate the use of stolen credentials to access data m1032 multi factor authentication consider using multi factor authentication to restrict access to resources and cloud storage apis 1 m1022 restrict file and directory permissions use access control lists on storage systems and objects m1018 user account management configure user permissions groups and roles for access to cloud storage 2 implement strict identity and access management iam controls to prevent access to storage solutions except for the applications users and services that require access 1 ensure that temporary access tokens are issued rather than permanent credentials especially when access is being granted to entities outside of the internal security boundary 23 detection strategy id name analytic id analytic description det0484 multi platform cloud storage exfiltration behavior chain an1328 spike in object access from new iam user or role followed by data exfiltration to external ips an1329 oauth token granted to external app followed by download of high volume files in onedrive google drive an1330 internal user account accesses shared links outside org followed by mass file download references amazon 2019 may 17 how can i secure the files in my amazon s3 bucket retrieved october 4 2019 amlekar m brooks c claman l et al 2019 march 20 azure storage security guide retrieved october 4 2019 google 2019 september 16 best practices for cloud storage retrieved october 4 2019 trend micro 2017 november 6 a misconfigured amazon s3 exposed almost 50 thousand pii in australia retrieved october 4 2019 barrett b 2019 july 11 hack brief a card skimming hacker group hit 17k domains and counting retrieved october 4 2019 hipaa journal 2017 october 11 47gb of medical records and test results found in unsecured amazon s3 bucket retrieved october 4 2019 justin schoenfeld aaron didier 2021 may 4 transferring leverage in a ransomware attack retrieved july 14 2022 cert polska 2026 january 30 energy sector incident report 29 december retrieved april 22 2026 dr nestori syynimaa 2018 october 25 aadinternals retrieved february 1 2022 rozmann o et al 2024 may 1 uncharmed untangling iran s apt42 operations retrieved october 9 2024 mandiant n d apt42 crooked charms cons and compromises retrieved october 9 2024 parisi t 2022 december 2 not a simulation crowdstrike investigations reveal intrusion campaign targeting telco and bpo companies retrieved june 30 2023 cisa 2020 september 15 iran based threat actor exploits vpn vulnerabilities retrieved december 21 2020 microsoft threat intelligence 2025 march 5 silk typhoon targeting it supply chain retrieved march 20 2025 rhino security labs 2019 august 22 pacu retrieved october 17 2019 inguardians 2022 january 5 peirates github retrieved february 8 2022 cisa 2023 november 16 cybersecurity advisory scattered spider aa23 320a retrieved march 18 2024 socradar 2024 march 18 dark web profile shinyhunters retrieved may 18 2026 microsoft threat intelligence 2025 august 27 storm 0501 s evolving techniques lead to cloud based ransomware retrieved october 19 2025 chris traynor 2024 january 18 rooting for secrets with trufflehog retrieved april 15 2026 trufflesecurity 2026 april 8 trufflehog enterprise retrieved april 15 2026 google n d key rotation retrieved october 18 2019 amazon n d temporary security credentials retrieved october 18 2019 core objects all core att ck objects all none matrices tactics techniques sub techniques defenses all defenses all none mitigations assets detection strategies analytics data components cti all cti all none groups software campaigns reference all reference all none resources domains all domains all none enterprise mobile ics reset filters contact us terms of use privacy policy website changelog cookie preferences 2015 2026 the mitre corporation mitre att ck and att ck are registered trademarks of the mitre corporation