Moscow explains the logic of its warning by claiming that the peninsula is “an inalienable part” of Russia.
The Security Service of Ukraine has urged Ukrainian nationals, especially those who have defended the country within the Anti-Terrorist Operation in Donbas, to refrain from traveling to Russia, as the FSB operatives "hunt down" Ukrainians on Russian territory.
Ukrainian cyberpolice have recorded a massive spread of Scarab, a new encryption ransomware, the National Police press service reported Friday.
Ukraine is facing new risks of chemical disaster and water safety after an escalation of conflict near water supply facilities in the east of the country, two UN Special Rapporteurs have warned.
Russia’s REN TV showed a video of an airstrike on a decommissioned boat in the open sea in a blunt threat to apply the same force to the actual Ukrainian Navy warships once Kyiv attempts to regain control over its assets seized by Russia in the Black Sea as a result of Crimea occupation or attack vessels under the Russian flag.
An anonymous call warning of a plan to assassinate President of Ukraine Petro Poroshenko, who was visiting Kharkiv region August 22, was reported by the Security Service of Ukraine, an informed source in the regional law enforcement agency has told UNIAN.
Ukrainian cyber security firm ISSP said on Tuesday it may have detected a new computer virus distribution campaign, after security services said Ukraine could face cyber attacks similar to those which knocked out global systems in June, Reuters reports.
Ukraine's central bank has warned state-owned and private banks across the country that a new malware campaign targeting financial services firms across the country may be a prelude to another assault of Not-Petya proportions, BankInfoSecurity reports.
North Korea on Wednesday escalated already heightened tensions with the United States, warning that a plan to attack waters near Guam will be in place by mid-August and that President Trump understands "only absolute force," The Hill reports.