Twitter bans ads from Russia-based cybersecurity firm Kaspersky Lab
A Kaspersky employee shuffles tokens around a table-top display at the company’s stand at a cybersecurity conference in Lille, northern France, Wednesday, Jan. 25, 2017. Raphael Satter / AP After vowing to stop Russian disinformation on its social network, Twitter has banned Russia-based cybersecurity firm Kaspersky Lab, CNET’s Alfred Ng reports. In an open letter, Kaspersky Lab founder Eugene Kaspersky called…