Microsoft warns of destructive disk wiper targeting Ukraine

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Over the past few months, geopolitical tensions have escalated as Russia amassed tens of thousands of troops along Ukraine's border and made subtle but far-reaching threats if Ukraine and NATO don't agree to Kremlin demands.

Now, a similar dispute is playing out in cyber arenas, as unknown hackers late last week defaced scores of Ukrainian government websites and left a cryptic warning to Ukrainian citizens who attempted to receive services.

Be afraid and expect the worst

All data on the computer is being destroyed, it is impossible to recover it," said a message, written in Ukrainian, Russian, and Polish, that appeared late last week on at least some of the infected systems. All information about you has become public, be afraid and expect the worst."

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