3391
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Don't blame him. USB was declared the manliest of all modes by He-Man of He-Man Radio back in the mid-90's. He was having fun with a female pirate named Juliet who operated in AM.
Everyone agrees about LSB, it's the lesser side band.
Perhaps those that use in AM are already saved; those that use USB are somewhat redeemable. but those that use LSB are broadcasting/listening from the gates of hell and why bother.
Abstract.
Recent research has shown that a number of existing wireless avionic systems lack encryption and are thus vulnerable to eavesdropping and message injection attacks. The Aircraft Communications Addressing and Reporting System (ACARS) is no exception to this rule with 99% of the tra c being sent in plaintext. However, a small portion of the tra c coming mainly from privately-owned and government aircraft is encrypted, indicating a stronger requirement for security and privacy by those users. In this paper, we take a closer look at this protected communication and analyze the cryptographic solution being used. Our results show that the cipher used for this encryption is a mono-alphabetic substitution cipher, broken with little e↵ort. We assess the impact on privacy and security to its unassuming users by characterizing months of real-world data, decrypted by breaking the cipher and recovering the keys. Our results show that the decrypted data leaks privacy sensitive information including existence, intent and status of aircraft owners.