we'v oseen that kind activity by sophisticated cyber criminals. >> they did not want to reveal the namescourt, and they don't know they're up for sale. > most active firms are not monitoring this. >> but for the sec, trading based on hac information is a huge focus. in fact, the agency has two units now dedicated to tracking it down. they declined to go on camera for this story, but in 2016, w tradere trading on hacked information nap data stolen from two new york city law firms and according to the sec, they tw raeked irae raked in. >> he spent two decades working for the ooency. >> we for these different types of malicious actors worldwide who are targeting the financial infrastructure of the united sof america. >> a growing number, he says, are now connecting online and working in teams from all parts of the globe. >> they're learning from each other. there are tutorials many times on how to u the malware. >> you can be a criminal in , nigeria, braz in miami and london and all you have to do is afind the right too services and you can be up and running very quickly. it's almostg pd pl