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серьёзная угроза stresses
gen.	dire threat (Taras); urgent threat (AMlingua); serious danger (grafleonov)
Игорь Миг	full-on threat; ominous threat
mil.	grave threat; serious threat; double-fisted threat; double-fisted threat
sec.sys.	potent threat (Val_Ships)
UN, police	hard threat

серьёзная угроза: 18 phrases in 11 subjects

Abbreviation	1
Chess	1
Economy	1
European Union	1
General	2
Hacking	1
Internet	1
Makarov	1
Military	3
Oil and gas	4
Security systems	2