Frozen Android Phones Give up Data Secrets

A lot of people sit around thinking about ways to compromise digital data, but who says to himself, "I think I'll try putting a cellphone in the freezer for a while to see if I can get it to give up its encrypted data?" Well, a group of geniuses (meant as a compliment) at Germany's Erlangen's Friedrich-Alexander University (FAU) just did. Using a program called Forensic Recovery Of Scrambled Telephones (FROST), the team discovered that by lowering the temperature of the semiconductors and performing a manipulation of the battery and button presses, the phone could be made to start up in its 'fastboot' mode to access Recovery Mode. Next, find the FDE key file and crack the 4-digit PIN using FROST. It's that easy. This gives a whole new meaning to a 'cold' boot.

Posted March 2013

Anatech Electronics RF & Microwave Filters - RF Cafe Website

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived...