As , cybersecurity has been a concern for many. The Russian ransomware group has warned nations of interfering with the invasion, and US officials blamed Russia for in February. The Cybersecurity and Infrastructure Security Agency (CISA) said while there are no specific cyber threats to the US at this time, cyberattacks can affect large and small enterprises alike, as well as home offices.

Link: As Cyberattack Worries Grow, Please Update Your Apps and OS
via http://www.cnet.com