Moscow pass along withalleged spies in Americaby encoding education on public websites . It ’s a process called steganography . And it ’s one of a slew of in high spirits - technical school and metre - tested method acting that the mysterious - covering fire agent and their Russian manager used to pass off information

Steganography is simultaneously one of the oldest methods for secret communications , and one of the more advanced . The operation date back to the fifth 100 B.C. , when the Greek autocrat Histiaeusshaved the headspring of one of his handmaiden , tattooed a message on his head , and waited for his hair to grow back before sending the courier out . When the courier arrived , his head was shaved and the letter was read , return entropy about upcoming Persian attack . Later on , secret inks were used on couriers ’ backs . Morse code content were woven into a jumper that was worn by a messenger .

As information went digital , steganography transfer . message could be hidden in the I and 0s of electronic files – pictures , sound recording , video , executables , whatever . The out of sight communications could even be easy dribbled into the violent stream of IP traffic . concretion schemes – like JPEG for simulacrum or MP3 for audio – introduce erroneousness into the data file , crap a message even easier to enshroud . New colouring or tones can be subtly sum up or take out , to spread over up for the changes . According to the FBI , the image above hold a hidden map of the Burlington , Vermont , airport .

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Both before and after Sept. 11 , there were rumors in the media that al - Qaida had begunhiding messages in digital erotica . That speculation was never confirm , as far as I can secern .

The accuse Russian spy net start using cryptography as early as 2005 , harmonize tothe Justice Department ’s criminal ailment against the conspirator , unseal yesterday in Manhattan . In 2005 , law enforcement agents raided the abode of one of the aver spies . There , they find a band of password - protected disk and a slice of newspaper , marked with “ alt , ” “ dominance , ” “ e , ” and a bowed stringed instrument of 27 characters . When they used that as a countersign , the G - Men recover a program that allowed the spies “ to cipher data point , and then clandestinely to embed the data in figure of speech on in public uncommitted websites . ”

The G - Men also found a laborious drive . On it was an address book with website universal resource locator , as well as the user ’s web dealings history . “ These addresses , in bend , had links to other websites , ” the complaint observe . “ constabulary - enforcement agents visited some of the reference web site , and many others as well , and have downloaded images from them . These images seem entirely routine to the naked eye . But these image ( and others ) have been study using the Steganography Program . As a result of this depth psychology , some of the simulacrum have been revealed as containing decipherable school text file . ”

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These message were used to arrange meetings , cash drops , legal transfer of laptops and further information exchanges . One of the steganographically hidden messages also directed the conspirator to apply radiograms – a 10 - old method to pass information , long discredit in spooky circles .

“ The FBI must have been clap its collective handswhen it discovered the primitive radio technique the Russians were using : high - speed ‘ burst transmissions , ' ” writes SpyTalk ’s Jeff Stein . “ The Cold War - earned run average proficiency requires the sending party to immortalize a coded Morse code substance on a tape , then inject it through the aura in a msec . They were gentle picking for the FBI , once it knew where to listen . ”

According to the FBI , bugs in the spies ’ homes find fault up “ the atypical electronic clicking sounds associated with the receipt of coded radio transmissions . ”

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“ Likewise , you ’d call up the Russians would have incite beyond buried paper bags to pay their agents . Moscow Center did provide them with ATM cards , according to the FBI ’s affidavit . But it also seems stuck with the old way , ” SpyTalk adds .

But peradventure not . “ METSOS in secret inhume some of the money in upstate New York , ” the FBI affidavit says , referring to one of the defendants , “ and two years later , in 2006 , the Seattle Conspirators flew to New York and dug it up . ”

Photo : FBI

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