The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis. Built and maintained by GCHQ (The UK intelligence and security organisation).

We give you X-Ray Vision for your Website. In just 20 seconds, you can see what attackers already know

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YATTIE exists to help make tester's lives easier. Ideally, it should remove friction from the exploratory testing process - everywhere from gathering evidence to submitting reports.

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