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Amazon S3: security advisories, deprecations and releases
Object storage on AWS.
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Security 2
- HIGH Ruby on Rails Blog · 9 Oct 2026
Stop setting public-read ACL on S3 uploads for public: true services
Rails now skips ACLs for S3 uploads when the service is set to public: true. Use bucket policies instead to avoid failures on ACL-rejecting buckets.
- MEDIUM Cloudanix Threat Intelligence · 2 Oct 2026
Storm-2570
Storm-2570 is a financially motivated ransomware affiliate tracked since April 2025, known for operating across multiple RaaS ecosystems including Qilin, DragonForce, Anubis, and BERT. The group maintains consistent tradecraft, using a common set of post-compromise tools for remote access (MeshAgent, Atera), lateral movement (PsExec, Impacket), and data exfiltration (s5cmd, Rclone) to attacker-controlled AWS S3 buckets. Their attack chain involves gaining…
Releases 7
- INFO AWS What's New · 22 Oct 2026
Amazon S3 server access logs now deliverable to CloudWatch Logs in five additional Regions
S3 server access logs can now be delivered to CloudWatch Logs in GovCloud, European Sovereign Cloud, and China Regions, enabling real-time querying, alarms, and KMS encryption.
- INFO AWS What's New · 21 Oct 2026
AWS Transform adds storage migration assessments for S3, EBS, EFS, FSx
AWS Transform now analyzes on-premises storage inventories and recommends the best AWS storage services with sizing and cost projections.
- HIGH AWS News Blog · 19 Oct 2026
Amazon S3 on Vercel Marketplace and v0
Provision S3 buckets, Tables, and Vectors directly from Vercel dashboard or v0; OIDC tokens replace static credentials.
- INFO AWS What's New · 16 Oct 2026
Amazon S3 Metadata now available in six additional AWS Regions
Amazon S3 Metadata expands to six new regions: Asia Pacific (Hyderabad, Malaysia, New Zealand, Taipei, Thailand) and Mexico (Central), making it generally available in 38 regions total.
- INFO AWS What's New · 15 Oct 2026
Announcing Blockchain Snapshots on AWS for node bootstrapping
AWS now publishes pre-synced Ethereum and Solana chain data in S3 so nodes can bootstrap from a snapshot instead of peer-to-peer syncing.
- INFO AWS What's New · 2 Oct 2026
Amazon S3 Object Lock variable retention with event holds in GovCloud
S3 Object Lock now supports event-based variable retention in AWS GovCloud (US-East) and (US-West).
- INFO AWS What's New · 2 Oct 2026
Amazon DynamoDB introduces filtered export to Amazon S3
DynamoDB now supports filtered exports to S3, allowing selection of specific items and attributes using key conditions, filters, and projections for both full and incremental exports.
News and tools 1
- INFO NEW THIS WEEK AWS News Blog · 2 Nov 2026
Evidence-based S3 lifecycle rules cut 5.8 PB storage cost 70 percent
Using Storage Lens and Storage Class Analysis, a team identified cold logs and moved them to Glacier Instant Retrieval, saving ~$169 k monthly.
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