Biden 'optimistic' after call pressing Putin to crack down on Russian-based cyberattacks
By Lauren Egan
Attempted Hack of R.N.C. and Russian Ransomware Attack Test Biden (Published 2021)
By David E. Sanger & Nicole Perlroth
Biden presses Putin to act on ransomware attacks, hints at retaliation
By Steve Holland & Andrea Shalal-Esa
Code in huge ransomware attack written to avoid computers that use Russian, says new report
By Ken Dilanian
Biden under pressure to respond to Russian hackers' claims of responsibility for ransomware attack
By Ken Dilanian
Biden Weighs a Response to Ransomware Attacks
By David E. Sanger & Nicole Perlroth