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Edward Snowden has revealed that he witnessed “numerous instances” of National Security Agency (NSA) employees passing around nude photos that were intercepted “in the course of their daily work.” In a 17-minute interview with The Guardian filmed at a Moscow hotel and published on Thursday, the NSA whistleblower addressed numerous points, noting that he could “live with” being sent to the US prison facility at Guantanamo Bay, Cuba. He also again dismissed any notion that he was a Russian spy or agent—calling those allegations “bullshit.” If Snowden’s allegations of sexual photo distribution are true, they would be consistent with what the NSA has already reported. In September 2013, in a letter from the NSA’s Inspector General Dr. George Ellard to Sen. Chuck Grassley (R-IA), the agency outlined a handful of instances during which NSA agents admitted that they had spied on their former love interests. This even spawned a nickname within the agency, LOVEINT—a riff on HUMINT (human intelligence) or SIGINT (signals intelligence).

“You've got young enlisted guys, 18 to 22 years old,” Snowden said. “They've suddenly been thrust into a position of extraordinary responsibility where they now have access to all of your private records. In the course of their daily work they stumble across something that is completely unrelated to their work in any sort of necessary sense. For example, an intimate nude photo of someone in a sexually compromising position. But they're extremely attractive. “So what do they do? They turn around in their chair and show their co-worker. The co-worker says: ‘Hey that's great. Send that to Bill down the way.’ And then Bill sends it to George and George sends it to Tom. And sooner or later this person's whole life has been seen by all of these other people. It's never reported. Nobody ever knows about it because the auditing of these systems is incredibly weak. The fact that your private images, records of your private lives, records of your intimate moments have been taken from your private communications stream from the intended recipient and given to the government without any specific authorization without any specific need is itself a violation of your rights. Why is that in a government database?” Then Alan Rusbridger, The Guardian’s editor-in-chief, asked: “You saw instances of that happening?” “Yeah,” Snowden responded. “Numerous?” “It's routine enough, depending on the company that you keep, it could be more or less frequent. These are seen as the fringe benefits of surveillance positions."

DMARC is what one might call an emerging e-mail security scheme. There's a draft on it at draft-kucherawy-dmarc-base-04, intended for the independent stream. It's emerging pretty fast, since many of the largest mail systems in the world have already implemented it, including Gmail, Hotmail/MSN/Outlook, Comcast, and Yahoo.

The reason this matters is that over the weekend Yahoo published a DMARC record with a policy saying to reject all yahoo.com mail that fails DMARC. I noticed this because I got a blizzard of bounces from my church mailing list, when a subscriber sent a message from her yahoo.com account, and the list got a whole bunch of rejections from gmail, Yahoo, Hotmail, Comcast, and Yahoo itself. This is definitely a DMARC problem, the bounces say so. The problem for mailing lists isn't limited to the Yahoo subscribers. Since Yahoo mail provokes bounces from lots of other mail systems, innocent subscribers at Gmail, Hotmail, etc. not only won't get Yahoo subscribers' messages, but all those bounces are likely to bounce them off the lists. A few years back we had a similar problem due to an overstrict implementation of DKIM ADSP, but in this case, DMARC is doing what Yahoo is telling it to do. Suggestions: * Suspend posting permission of all yahoo.com addresses, to limit damage * Tell Yahoo users to get a new mail account somewhere else, pronto, if they want to continue using mailing lists * If you know people at Yahoo, ask if perhaps this wasn't such a good idea