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AWS hardens DDoS forensics with Shield flow logs

2026-06-10 · aws-security

AWS Security published a June 4, 2026 update on Shield Advanced attack flow logs, giving defenders richer visibility into live DDoS events. That kind of telemetry is useful well beyond network tuning because it improves evidence collection during high-pressure incidents. For resilience planning, better forensics means faster scoping of what happened and what must be restored. It also reinforces a familiar lesson: visibility helps, but strong recovery still depends on protected copies of critical data.


What Happened

AWS added attack flow logs for Shield Advanced so customers can capture traffic metadata during attacks and push it into existing analysis pipelines through Amazon S3. The feature makes it easier to identify sources, validate mitigations, and preserve a more accurate timeline of the event.

The Cost of Data Loss

A major attack rarely stays confined to bandwidth pressure alone. If defenders lose logs, configurations, or recovery artifacts during a broader compromise, the cost rises sharply because teams must rebuild trust in their data before they can restore service safely.

How Cold Storage Prevents This

Cold storage gives incident responders a protected copy of critical backups and evidence that attackers cannot easily tamper with during a live event. That separation is essential if online systems, credentials, or retention policies are compromised while the attack unfolds.

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