Wednesday, February 20, 2008

Black Hat: Security Researchers Claim To Hack GSM Calls

J. Nicholas Hoover writes on InformationWeek:

Security researchers presenting Wednesday at the Black Hat D.C. conference in Washington, D.C., demonstrated technology in development that they say will be able to greatly decrease the time and money required to decrypt, and therefore snoop on, phone and text message conversations taking place on GSM networks.

Many mobile operators worldwide use GSM networks, including T-Mobile and AT&T in the United States. The 64-bit encryption method used by GSM, known as A5/1, was first cracked in theory about 10 years ago, and researchers David Hulton and Steve, who declined to give his last name, said today that expensive equipment to help people crack the encryption has been available online for about 5 years.

More here.

1 Comments:

At Fri Oct 31, 04:40:00 AM PDT, Anonymous Anonymous said...

I'm using PhoneCrypt (www.phonecrypt.com) to secure my conversations and dates, it's developed by

securstar.

It's very good, works perfectly.

I recommend!

 

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