https://www.reuters.com/article/us-usa-cyber-arrests-ukraine/u-s-charges-three-ukrainians-in-payment-card-hacking-spree-idUSKBN1KM5IU >Three Ukrainians have been arrested on criminal hacking charges including stealing payment card numbers, in attacks on more than 100 U.S. companies that cost businesses tens of millions of dollars, the U.S. Justice Department said on Wednesday.