Surely you meant…
Yahoo! Infosec! Improvement! Plan!
Japan's government has considered the proposed security improvements developed by Yahoo!, found them wanting, and ordered the onetime web giant to take new measures. Yahoo! is in the sights of the Ministry of Internal Affairs and Communications because the LINE messaging app it owns allowed Chinese entities to read users' …
Coupla things here.
The! Apostrophe! Gag! is pretty old now, and also makes for pretty lousy readability IMHO. I like to nod to it, but not overdo it.
Also, Yahoo Japan is not Yahoo! and has tenuous lineage to the purple palace. The back story is complicated, but applying the apostrophe gag is therefore not entirely accurate.
And FWIW I try to slip in some linguistic delights to most of what I write, and to the headlines and subheads I edit.
S.