Menachem Atzmon, Body Scanners, The Underwear Bomber and 9-11

Umar Farouk Abdulmutallab (also referred to as the Underwear Bomber) is a Muslim Nigerian citizen and alleged terrorist who attempted to detonate plastic explosives hidden in his underwear on board Northwest Airlines Flight 253, en route from Amsterdam to Detroit, Michigan, on Christmas Day December 25, 2009. Abdulmutallab boarded the US bound plane from Schiphol Airport in Amsterdam.

Kurt Haskell, an attorney from Michigan, also boarded the same flight and he recalls seeing Abdulmutallab and a "sharp dressed" Indian looking man who helped Abdulmutallab board the flight. Haskell claims that Abdulmutallab boarded the flight without a passport. The security at the Schiphol Airport is also handled by the Israeli-owned company: ICTS International.

Who ran airport security at all three ports of the alleged 9-11 hijackings?

That would be ICTS International / Huntsleigh USA (a wholly owned subsidiary).  Owned by Ezra Harel and Menachem Atzmon. Both Israeli Jews.  It is run by "experts" in the security and intelligence field. Israeli intelligence that is. Most employees are/were ex-Shin Bet agents.

This airport security company ran the security at Boston's Logan Airport, as well as Newark.  They  allowed 19 arabs on board 4 different planes with boxcutters, mace, and even a gun.

Menachem Atzmon, former Likud treasurer in the 80's, was involved in an Israeli political scandal involving Ehud Olmert and other Likudnits in Israel. He was cirminally convicted of fraud and falsifying documents, as well as breaching Party Funding Law.