CHAIN-093 — Table Storage with soft-delete off + public access

Summary

Severity: High · Likelihood: Medium · Logic: ALL

Why this chain matters

Table Storage has no soft-delete protection AND public read is enabled. A ransomware actor who reaches any RBAC writer can simply delete all rows — no undelete, no restore, full data loss.

Component rules

This chain fires when its trigger conditions are met by the following rules. Click any rule to see its detection logic and compliance mappings.

Rule ID	Role
zt_data_014	Trigger
zt_data_015	Trigger

Attack walkthrough

Step 1 — Authenticate with a leaked SAS or compromised RBAC.

Actor: Attacker
MITRE ATT&CK: T1552
Enabled by: zt_data_015

Attacker gain: Table write.

Step 2 — DELETE every partition key batch; no recovery available.

Actor: Attacker
MITRE ATT&CK: T1485
Enabled by: zt_data_014

Attacker gain: Table obliteration.

Blast radius

Initial access	SAS or RBAC compromise.
Max privilege	Destructive — table destruction.
Data at risk	Table content
Services at risk	Any app reading the table

How the logic works

The chain fires only when every rule above has at least one finding in the current scan. Missing any one rule breaks the chain — so remediating any single step disrupts the attack path.