first reported the story publicly. >> brian krebs: the breach lasted for a little more than three weeksusiest time of year for them. >> whitaker: krebs' office is like a computerized crow's nest, a high-tech perch from which he scours the cyber world for early signs of underworld activity. over the past year, he broke the news on his blog that criminals had hacked into a dozen retailers and chain restaurants, including dairy queen and the home depot. >> krebs: a lot of times, those companies have already been notified by law enforcement, by secret service or the f.b.i. >> whitaker: but it sounds like it's usually discovered by people outside of the company. >> krebs: that's almost universally true, yes. >> whitaker: why is that? >> krebs: a lot of times, the first indicators that you get that... that one of these organizations is compromised is when their customers' financial information goes up for sale in the underground. you, know, they're running a business and, frankly, they're not focused on cyber security. >> whitaker: there are scores of sinister online shopping bazaars where cy

we are working on getting the privacy reset button, that is a lot of work. >> brian krebs, researcherhor. more than 6 billion people are expected to have smartphones why the year 2020. how will tech and phone companies deal with the massive demand for data? i speak to the ceo of ericsson next. ♪ >> welcome back to the best of "bloomberg west." i'm emily chang. the number of people smart phone subscriptions expected to double by the year 2020, two more than 6 billion. 90% of people over the age of six will have a mobile phone by then. these are some of the findings. i spoke with hans vestberg. development ofow technology. the next year will be an explosion. the prices are coming down. the technology is reaching so much further out. 93% of thethat earth's population will have coverage by 2020. the scale we have in this industry, it's amazing, the numbers. we been talking about smartphone saturation and concerns for samsung, it sounds like smartphone makers don't have anything to worry about. is it is aare facing very natural thing. billione over 7 subscriptions in the world. we need to

brian krebs was talking about a group of ethnic north koreaens who have link ed ed to attacks military targets in south korea. an organization called crowd strike was talking about an actor called the silent troll. it's like we're looking into the deepest, darkest areas of the underworld and trying to figure out if a murder left the tools of the murder at the scene of the crime, which is kind of like what malware that points right back to north korea would do. i kind of feel like any of these scenarios, whether it's a hacking group, like anonymous, or whether it's north korea or as the conspiracy theory blogs suggest maybe the whole thing is an fbi flag operation meant to usher in a new era of internet regulation. any one of these is equally as whacky as the other. my only response to all this is basically a big shruggy, i don't know. >> i think the best case against the false flag theory is that they definitely would have picked a super unequivocally awesome movie. i have nothing against this movie, but it's not winning the prize. it's kind of a butt jokes movie so it's not necessaril