Workflow Series (06): Security — Cross-Step Injection Propagation and Four Defense Principles
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Workflow Security vs Skill Security Skill security (Skill Series Article 02) protects a single call : can user input hijack this Skill's behavior? Workflow security protects against cross-step attack propagation : a payload in external input can travel through multiple phases and reach the execution layer. Skill-level input/output checks don't cover the second threat. Lateral Propagation Attack Scenario: A Bug fix workflow. The attacker embeds injection content in a Jira ticket's description…
1Key Takeaways
- Workflow Security vs Skill Security Skill security (Skill Series Article 02) protects a single call : can user input hijack this Skill's behavior?
- Workflow security protects against cross-step attack propagation : a payload in external input can travel through multiple phases and reach the execution layer.
- Skill-level input/output checks don't cover the second threat.
- Lateral Propagation Attack Scenario: A Bug fix workflow.
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3Why it matters
Prompt and agent patterns spread fast; staying current saves time and token cost. DEV — Prompt Engineering reports that workflow Security vs Skill Security Skill security (Skill Series Article 02) protects a single call : can user input hijack this Skill's behavior?
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