that in april, new york city's transit system was breached by a hacking group. the company that runs ferries to cape cod has reported being the target of an attack. jbs, the world's largest meat processor, has resumed some production after a weekend cyber attack. the fbi says a russia-linked grip was behind it. this comes two weeks ahead of biden's summit with putin. he was asked how the administration would deal with the attacks today. >> mr. president, will you retaliate against russia for this latest ransomware attack? >> we're looking closely at that issue. >> do you think putin is testing you? >> no. >> the white house press secretary made it clear the hacking would definitely be at the agenda at that summit. >> this will certainly be a topic of discussion.