CONFLICTS

Ukraine calls on hacker underground to defend against Russia

The government of Ukraine is asking for volunteers from the country's hacker underground to help protect critical infrastructure and conduct cyber spying missions against Russian troops, according two people involved in the project.

US braces for Russian cyberattacks in wake of Ukrainian invasion

The U.S. government is on high alert for signs of Russian cyberattacks against banks and other financial institutions after Moscow launched a wide-ranging attack on Ukraine on Thursday, eliciting harsh sanctions from the international community.