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Criminals using Skype, say Italian police
Spaghetti encryption.
By John E. Dunn, Techworld | Techworld
Published: 12:28 GMT, 16 February 09
The Italian police force has become the latest to voice complaints that the Skype VoIP service is undermining their use of wiretapping in criminal investigations.
According to a BBC report, authorities in Milan have admitted that organised crime in Italy is increasingly turning to encrypted Skype sessions for critical communications as a way of stymieing remote surveillance.
To back up the claim, customs and tax police are said to have overheard a drug trafficker recommending the use of Skype to discuss confidential details of a consignment, making it impossible for the authorities to intercept it. Wiretaps are heavily used by the Italian police, leading to calls in some quarters to limit their use.
No named source is given for the police admission, but Skype is known to be a frustration for authorities across the world. A year ago, a leaked document on the Wikileaks website appeared to show that the German authorities were so concerned by criminal Skype use that they had hired a software company to write Trojans capable of recording Skype data on the PCs of targets for later analysis.
The issue with Skype is that its encryption scheme is strong, and the way calls are set up and encryption implemented is proprietary and is considered by the company to be a trade secret. Desktop surveillance of the call stream using a specially-written program, diverting traffic through a proxy server, or even direct call blocking to render it inoperable, remain the only ways of intercepting Skype, all complex than wiretapping conventional phone calls.
In the US, unconfirmed and always unsourced reports emerge from time to time, claiming that the NSA (national Security Agency) is so concerned by Skype that it is actively trying to break its encryption.
One such report from only last week made the unlikely claim that US authorities would be prepared to offer "billions" to anyone who could find a way around it. The same story also reported similarly routine claims that the NSA was about to "break" Skype's encryption.
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Steve | Published: 16:57 GMT, 16 February 2009
Oh, please. I spend a good deal of time in Italy, and you can believe me when I tell you that relative to other factors (graft, corruption, bureaucracy, fear, plain old stupidity and disinterest), Skype is the least of the problems facing the Italian police. The Italian judicial system is almost moribund, and the problems facing the police have been intensifying for decades, and have nothing to do with the use of technology like Skype's -- that is just a symptom. If the Italian police get around Skype, prosecutions will still take ten or more years, witnesses will still be murdered gangland-style, organized crime will continue just as it is, and Italy will change governments the way most of us change socks. When it does settle on a government for a while, power will reside in the hands of a walking joke like Mr. Berlusconi. Allowing the police to "pierce" Skype will mean only that they have even more information to be leaked to organized crime. Swell -- just swell.
Dante | Published: 16:49 GMT, 16 February 2009
Skype gave the U.S. and German federal polices a backdoor access. I guess they didn't trust those mob ridden Italians.