Pindrop Security, which monitors online reports of phone fraud, said in an October blog post that it had seen increased numbers of Tinder-related text spam complaints, which it suggested might be the result of better spam detection by Tinder itself. 'If you message them through SMS, that's when they'll actually go through their scripted conversation, talking about how they want to go on an adult webcam site,' he said.

'It won't happen for about 50 minutes, 45 minutes, then get the message.'ДЄnd rather than sending explicit messages and advertising links through Tinder itself, the new generation of bots will open with a quick compliment or attempt at flirtatious banter, then send a phone number or Kik username and ask would-be suitors to send them a text, according to Narang. 'Clearly these actors are finding new ways to modify their scripts, changing how quickly they respond to messages,' he said. The newer bots respond more slowly to messages than older automated accounts, which would often contact new matches and conspicuously send flirtatious messages faster than any human could type, Narang explained. 'They're just average pictures of your average girl that you would encounter on Tinder,' said Narang, 'so it's harder to differentiate, 'Oh yeah, that's clearly a bot,' while you're swiping through.' 'They're just average pictures of your average girl that you would encounter on Tinder, so it's harder to differentiate, 'Oh yeah, that's clearly a bot.'' And they've programmed their bots to try to mimic a normal conversation, hoping to trick users into providing their phone numbers before they realize they've been had, security researchers say. They've migrated from lewd photos and explicit language to more plausible, girl-next-door-style pictures. A set of Tinder spam bots, masquerading as women to promote the mobile strategy game Castle Clash, drew media attention last spring after spamming users with the unlikely promise to date men who could beat them at the game.Д«ut lately, many Tinder spammers' approaches have grown subtler. Occasionally, they'd market more family-friendly products as well. Some spammers set up accounts for made-up sex workers, posting sultry photos overlaid with explicit price lists, along with fake escort service links actually pointing to porn sites and dubious premium dating services of the 'hot girls in your area' variety. 'It's usually, 'Hey, if you want to talk further, go to this link on this website, and you can see all my pictures there,'' Satnam Narang, a senior security response manager at Symantec who's written about the phenomenon, told me.

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