Threat
Menace
noun, verbal noun
きょうはく
脅し (おどし) Threat, A Threat
脅迫 (きょうはく) Threat, Menace
凶悪 (きょうあく) Atrocious, Fiendish
The Kyoto きょう database hack はく was a Threat to national security.
He Threatened to go to Kyoto きょう and hack はく down cherry blossom trees.