Mike Bradley / Bloomberg via Getty Images fileSecurityUnitedHealth to take up to $1.6 billion hit this year from Change hack
Eva Hambach / AFP via Getty Images fileSecurityScathing federal report rips Microsoft for shoddy security, insincerity in response to Chinese hack
Mark Makela / Getty Images file SecurityAT&T says a data breach leaked millions of customers' information online. Were you affected?
Leon Neal / Getty Images fileVote WatchU.S. and U.K. announce sanctions over China-linked hacks on election watchdog and lawmakers
Mandel Ngan / AFP via Getty Images fileEXCLUSIVEFBI resumes outreach to social media companies over foreign propaganda
Michael Nagle / Bloomberg via Getty Images fileEXCLUSIVEThe FCC is investigating Amazon over the alleged marketing and sale of outlawed products
Justine Goode / NBC News; Getty ImagesEXCLUSIVEOutlawed anti-drone radio jammers are being marketed on Amazon and Google despite FCC rules
Mike Bradley / Bloomberg via Getty Images fileSecurityUnitedHealth Group has paid more than $2 billion to providers following cyberattack
Eva Hambach / AFP via Getty Images fileSecurityMicrosoft says it's struggling to fight off Russian cyberspies who stole company secrets
David Paul Morris / Bloomberg via Getty Images file Artificial intelligenceEx-Google engineer charged with stealing AI trade secrets while working with Chinese companies
Kent Nishimura / Los Angeles Times via Getty Images fileSecurityU.S. bans maker of spyware that targeted a senator's phone
Emmanuel Polanco for NBC NewsSecurityThis tax season, look out for scammers trying to file your returns before you do
Minneapolis Star Tribune / Abaca via Reuters fileSecurityRansomware attack on U.S. health care payment processor 'most serious incident of its kind'
Mike Bradley / Bloomberg via Getty Images fileSecurityCyberattack outages at UnitedHealth’s Change Healthcare extend to seventh day
Justin Sullivan / Getty Images fileSecurityMeta to set up team to counter disinformation, AI abuse in E.U. elections
Ng Han Guan / Pool via AFP via Getty Images fileSecurityChinese hackers spent 5 years waiting in U.S. infrastructure, ready to attack, agencies say
Daniel Karmann / picture-alliance/dpa/AP fileSecurityRansomware hackers raked in $1 billion last year from victims
Mandel Ngan / AFP via Getty Images fileSecurityTreasury sanctions Iranian hackers it says targeted water companies
Kevin Dietsch / Getty Images fileSecurityThe head of the government's election security agency was swatted in December
Jimin Kim / SOPA Images / Sipa USA via APSecurityMicrosoft says senior leadership was hacked by Russia-tied group
Manuel Balce Ceneta / AP fileSecurityU.S. cyber watchdog issues emergency directive to federal agencies about remote work software
Justine Goode / NBC News; Getty ImagesSecurityU.S. tech companies prepare for potential drone attacks as international strikes spark concern
Chip Somodevilla / Getty Images fileArtificial intelligenceNSA official warns of hackers using AI to perfect their English for phishing schemes
NBC NewsSecurityFBI issues 'cyber kidnapping' warning after a Utah student was found in the mountains
Ethan Miller / Getty Images file SecurityFBI releases tool to disrupt ransomware behind MGM cyberattack
Wang Ying / Xinhua via Getty Images fileSecurityMicrosoft seized websites it said belonged to a Vietnamese cybercrime group