Russia-backed hackers behind powerful new malware, UK and US say

Report comes as Ukraine faces cyber-attack and allies brace for state-sponsored hacks A cyber report published…

Ukraine president vows to defend country as Russia says separatists ‘ask for military help’

Volodymyr Zelenskiy appeals to Russian people to help prevent war after request from separatist leaders sets…

Prospect of sanctions hits Russian part-owner of Queensland alumina refinery

Rusal’s share price dives as Ukraine tensions escalate, with co-owner Rio Tinto warning of likely disruption…

Essential poll analysis:​ Coalition’s national security scare campaign may have backfired

Katharine Murphy analyses the Guardian Essential poll with Essential’s executive director Peter Lewis. They examine how…

Ukraine crisis live news: invasion was Putin’s plan ‘all along’, says Blinken

US, UK and European sanctions on Russian banks and oligarchs are welcomed by Ukraine as strong…

Australia news updates live: Morrison announces sanctions and travel bans for Russian individuals; 23 Covid deaths recorded

Scott Morrison announces targeted sanctions and travel bans for Russian individuals after Cabinet committee discusses Australia’s…

Putin orders troops into Ukraine. Now what?

After weeks of threats, Putin has sent soldiers and tanks into eastern Ukraine. Shaun Walker and…

Biden’s Russia sanctions: why holding back could be part of his strategy

The president has threatened tougher steps for further provocation, preserving the potency of sanctions as a…

Ukraine: president calls up reservists as Russia moves troops into country’s east

Volodymyr Zelenskiy rules out general mobilisation in address to nation but warns Ukraine faces existential threatUkraine’s…

Ukraine crisis live news: Putin claim that Russian troops are ‘peacekeepers’ is nonsense, US tells UN security council

Russian president has recognised Luhansk and Donetsk regions as independent states: Zelenskiy says ‘we are not…