Depends where used..
A freedom tool when used in Iran, but no doubt a terrorists tool when used in the UK or US.
A heavily hyped software tool created to help Iranian citizens evade government surveillance online was abruptly pulled from the web following findings it was riddled with vulnerabilities that could expose users' identities. Members of the Censorship Research Center said they were withdrawing the Haystack tool and asked that …
Funniest bit is the Slashduh nerds squawking "Prove it doesn't work!" when they were apparently happy to take it on blind faith that it did.
Security through obscurity is a busted flush, and it was pretty obviously a scam from day one. Good on Heap for raking it in from dumb rich liberal Yanks, and apologies for the redundancy there.