Vitaly Shishov posing for a photo in Kiev.  The Belarusian activist was found dead in a park in the Ukrainian capital Kiev on Tuesday. Photograph: Handout/Facebook page of Vitaly Shishov/AFP via Getty Images

Belarusian pro-democracy groups have blamed the country’s autocratic regime for the death of an opposition activist who was found hanged, as one of th(...)

DarkSide is the most prominent group in the fast-professionalising industry dubbed ransomware-as-a-service.

The misspelt scam email, the clumsy phishing attack, the gaudy pop-up virus threat. All these I can resist. Cybercriminals have developed an altogethe(...)

President Donald Trump at a rally on January 14th in  Milwaukee, Wisconsin. Photograph:  Joshua Lott/Getty

History will be made next week when the impeachment trial of Donald J Trump opens in the US Senate – only the third time in history that a sitting US (...)

Russian journalist Arkady Babchenko staged his death to foil an alleged plot on his life by Moscow’s security services. Photograph: (Valentyn Ogirenko/Pool photo via AP

Even the master spy storyteller John Le Carré wouldn’t have tried to get away with the plotline: on Tuesday this week obituaries were being written fo(...)

Kiev’s main thoroughfare. Ukraine has been used for years by Russia as a testing ground for politicised cyber operations that later cropped up in other countries. Photograph: Brendan Hoffman/New York Times

The hacker, known only by his online alias “Profexer”, kept a low profile. He wrote computer code alone in an apartment and quietly sold his handiwork(...)

The flag of the Crimean Tartars wrapped around a damaged electricity pylon near Chaplynka village of Kherson region, Ukraine, November 22nd, 2015. Photograph: Hromadske TV/EPA

Crimea was left without electricity supplies from Ukraine on Sunday after pylons carrying power lines to the Russia-annexed peninsula were blown up ov(...)

Ukrainian security personnel on an armoured personnel carrier at a checkpoint near the town of Slaviansk in eastern Ukraine yesterday. Photograph: Reuters

Pro-Russian rebels shot down a Ukrainian helicopter in fierce fighting near the eastern town of Slaviansk today, and Kiev drafted police special force(...)

Armed men stand in front of the police headquarters building in Slaviansk today. Photograph: Gleb Garanich/Ukraine

One Ukrainian state security officer was killed and five other members of government forces were wounded in an “anti-terrorist” operation today(...)

Workers  near pipes at a gas compressor station in Ukraine. Alexei Miller, the head of Russia’s state-controlled Gazprom natural gas giant, said the decision to charge a higher price in the second quarter was made because Ukraine has failed to pay off its debt for past supplies, which now stands at $1.7 billion. File photograph: Gleb Garanich/Reuters

Russia has sharply hiked the price for natural gas to Ukraine today, raising the heat on its cash-strapped government, while Ukrainian police m(...)

Several hundred people protested against the Ukrainian government outside the Ukrainian embassy in Dublin 4 today.  Photograph: Cyril Byrne/The Irish Times

Around 300 demonstrators gathered outside the Ukrainian embassy in Dublin today calling for the resignation of Ukrainian president Viktor Yanukovich. (...)

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