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S3 Bucket Misconfiguration Exploit

resolved
Attacker Type
AUTOMATED TOOL
Confidence
97%
Kill Chain
Collection
Events
45
CRS Score
62
Elapsed
1m

EVENT TIMELINE

medium07:18:00

Cloud Agent fixed misconfigured S3 bucket policy

low07:30:00

Scanner attempted access -- received denied

ATTACK NARRATIVE

An automated scanner discovered and attempted to access a misconfigured S3 bucket with public read permissions. The Cloud Agent detected the misconfiguration during routine cartography and fixed it 12 minutes before the scanner found it. The scanner received access denied responses for all objects. The bucket policy has been permanently corrected and an SCF guard rule prevents future public bucket creation.

Affected Assets

s3-marketing-assets-staging

Agent Layers Involved

cloud

PREDICTED NEXT MOVES

01Enumerate additional public buckets
02Download and exfiltrate data
03Sell access on dark web forums

Pre-Blocked Paths

BLOCKEDEnumerate additional public buckets
BLOCKEDDownload and exfiltrate data
BLOCKEDSell access on dark web forums

COUNTER-ACTIONS EXECUTED

Fixed S3 bucket policy before exploitation
07:18:00
100%
Deployed SCP to prevent public bucket creation
07:30:30
100%