The phrase "a challenge posed" is correct and usable in written English.
It can be used when discussing difficulties or obstacles that have been presented or created by a situation or individual.
Example: "The new regulations present a challenge posed by the need for compliance within a tight deadline."
Alternatives: "a challenge presented" or "an obstacle created".
We face a challenge posed by Beckett's play Catastrophe, which Sands had attended that morning: what am I seeing, what am I hearing?
And the removal of Peter Dolan from the top job at Bristol-Myers Squibb BMSS) this week came as a result of his mishandling of a challenge posed to Plavix, the company's lucrative blood-thinning drug, by a generic rival.
Responding to a challenge posed by a magazine editor, George Johnson has written a blessedly slim book, "A Shortcut Through Time," that gets across the gist of quantum computing with plenty of charm and no tears.
And it's a challenge posed by the millions of Christian Zionists in America, who offer unconditional support to Israel, but who think Jews in Israel are doomed to hellfire.
The craft was designed to address a challenge posed by the U.S. Air Force.
For one thing, it appears to deal with a challenge posed by vacuous laws.
It makes it harder to get hung up on the physical strain of holding a challenging pose, more difficult to harden muscles and mind against the effort, as we often do in challenging poses.
Such in-migrants face an enormous challenge posed by the high standard of living and lack of jobs.
A DNA analysis challenge posed by the U.S. Department of Defense proved more difficult than many contestants expected, but a winner has emerged.
A further experimental challenge posed by the different data sets is the variability of nuclear morphology.
Farooqi, 22, said the refugee-focused challenge posed a politically poignant issue for her team.
