Iridium has always been pretty active on twitter. I remember reading in one of the filings that the military was interested partly because of the security. fflya is pretty much unhackable because each transmission of short burst data (in milliseconds) is on a different frequency. Unlike inflight wifi which is easily hacked, as has been repeatedly demonstrated
"But what about the security of passengers using in-flight wifi to simply check email or surf the web? This question came to light prominently a few days ago when journalist Steve Petrow was hacked in mid-air while—interestingly enough—working on a story covering the Apple/FBI data privacy showdown. He recounts his experience to USA Today, detailing how a hacker on the same flight intercepted the data of virtually everyone using the in-flight wifi service. For those intent on stealing data transmitted over in-flight wifi, commercial airline flights are rife with opportunity." "But what makes the dangers of in-flight wifi different than those of a Starbucks hotspot? Wifi/avionics co-mingling aside, the unique qualities of mass transit and commercial air travel give hackers a plethora of high-value, low-hanging fruit. Despite delineations per seating area, first/business/economy class passengers share the same in-flight wifi connection. So while it's highly unlikely that you'd find yourself sharing a wifi hotspot with Tim Cook at the local Peet's Coffee, it's entirely possible that you could be sharing a wifi connection with a CEO/board member/insert-dignitary-here seated in first class—including Mr. Cook, on any given flight."
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