newsroom. ransomware attacks are so frequent and the government is warning they could cripple america s infrastructure if they are not stopped. back in april, colonial pipeline was hacked and suddenly millions couldn t get gas. experts say cyberattacks are up 100%% from last year. we get more from cnn s jessica snyder. reporter: the biden administration soundsing the alarm of growing threats of cyberattacks. how the fbi approached the response to terrorism after 9/11. a lot of parallels and a lot of importance and focus on us by disruption and prevention wray said. they are investigating about 100 different types of ransomware and many trace back to hackers in russia. costing businesses and organizations between at least 500,000 and 2.3 billion dollars in 2020. ransomware locks up computer files and hackers demand payment to release the files. it shows 300% increase in ransom payments over the prior year. it has affected the gas pipeline operated by colonial that l
the mother of fallen capitol police officer brian sicknick on the hill urging gop senators not to block a january commission her powerful plea, saying she couldn t stay quiet anymore tiger woods speaking out for the first time since his crash. the pain he suffered and what he said when asked about his future in golf. as the nation prepares to mark 100 years since the tulsa massacre my report on the new effort to shine a light on the city s dark past. and ahead of memorial day the man on a mission for families of fallen world war ii heroes. announcer: this is nbc nightly news with lester holt reporting tonight from the santa monica pier in california. good evening millions of americans are on the move tonight, reclaiming the rites of summer s unofficial start after more than a year of covid. and we re on the road tonight too, coming to you from the world famous santa monica pier in california this evening, what travel looks like and how safe we are as we gather aga
midterms. i think the basic goal of our democratic friends is to keep relitigating and public what happened back on january 6th, rather than get into a quick solution through arresting those who did it, and security adjustments to make sure it never happens again. again, his beloved senate chamber was taken over on that day. it appeals apparently were a lot more powerful than those from the grieving mother of capitol police officer brian sicknick, we was attacked, as you recall, as he battled the rioters. he died about is that to be natural causes the following day. got a sicknick, a modest woman who never dreamed she d be in the public eye, of course just as she never dreamed she d have to bury her own son, she spent the day meeting with republican senators joining other officers who faced the rioters, in a last ditch effort to persuade deng to vote in favor of a serious investigation we of the serious violence on that day. we usually i m staying in the background, and
we begin tonight with the unseen threat that we can no longer ignore, hackers are disrupting our everyday lives, targeting essential sectors including energy, food, even vacations. it s forcing president joe biden to confront america s vulnerabilities as the nation s energy secretary gives a major warning. i ll have more on that in just a minute. but this time another warning, this time from the senate s chief law enforcement officer and just the second woman to hold the job. i sat down for an exclusive interview with senate sergeant in arms karen gibson to discuss the safety of the nation s capitol after the january 6th attack. it s now up to her to protect lawmakers, and another instruction isn t even her biggest concern. do you feel like the investigations that have been done and the investigations underway give you the sufficient information? they certainly give us a lot of material to start with, yes. there have been a number of in-depth i.g. investigations and heari
developments at reagan national outside of d.c. what is the story behind these cance cancellations? reporter: it s a big operational mess for southwest airlines, erica. it s not like flipping on a switch to get it back to normal. this is more like the airline needs to unplug it and plug it back in again because it says these problems all started back on friday when there were weather and air traffic control issues. the federal aviation administration put out a statement saying there were no weather or agency issues on saturday and sunday when southwest experienced the lion s share of cancellations and delays. it canceled 800 flights on saturday, 1,100 nights on sunday, about a third of its overall schedule for the day. it s canceled about 350 flights today, about 1 in every 10 flights. there is a ripple effect southwest says it put planes and people in the wrong spots. some flight crews didn t even have hotels and that left tens of thousands of passengers in the lurch in th