Why Your AI Workflow Still Needs Traditional Security

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AI brings new risks that we have never had to defend before.

Prompt injection, data exfiltration through natural language, and instant ransomware creation are threats that do not look like anything legacy tools were designed to stop.

But that does not mean traditional security controls have lost their value.

AI workflows do not exist in isolation.

They run on servers, inside containers, across networks, and in the same environments that attackers have always targeted. If you only focus on prompt-level defenses, you miss the other half of the threat surface.

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Old Attacks Still Work

Attackers are not abandoning phishing, unpatched systems, or supply-chain compromises.

They are adding AI into their toolkit.

That means a single breach can come from multiple layers.

An AI assistant may be tricked into leaking a secret, but the stolen data is still exfiltrated over the network, and the attacker still pivots laterally through infrastructure the same way they always have.

The Stack Still Matters

Every AI workflow rides on a stack of traditional technology.

It has operating systems, cloud services, APIs, and identity providers.

Attackers know that if they can compromise the underlying system, they control the AI as well. A poisoned prompt is powerful, but so is an unpatched kernel, a misconfigured bucket, or a weak MFA policy.

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Defense-In-Depth Is Non-Negotiable

AI-aware security is a new layer, not a replacement.

You still need:

  • Firewalls and IDS to monitor traffic leaving your environment.
  • Endpoint detection to block binaries generated by malicious prompts.
  • Identity and access controls to keep models from reaching sensitive. data they should not see.
  • Patch management to close old doors before attackers walk through them.
AI-Aware Security Layers

Each piece reinforces the others.

A prompt firewall can stop malicious instructions, but if malware does get built and executed, your endpoint tools must still catch it.

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Final Thoughts

AI creates a new front in the security battle, but it does not erase the old one. The organizations that succeed will treat AI defenses as an addition, not a replacement.

If you only secure the prompts and ignore the infrastructure, you are leaving the door wide open. 

See how PromptShieldâ„¢ fits into a defense-in-depth strategy.

Picture of Joshua Selvidge
Joshua Selvidge
Joshua is cybersecurity professional with over a decade of industry experience previously working for the Department of Defense. He currently serves as the CTO at PurpleSec.

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