In December 2008, Giordano, as director of Il Giornale, was found to have "violated the regulation on the obligation of rectification, even without rectifying, even in the absence of a specific request, the information that after their dissemination has proved to be inaccurate or incorrect, especially when the error could damage individual persons, associations or communities.

"[8] In March 2015, Giordano was sued by the entrepreneur Massimo Ferrero for mentioning the latter in the book titled Pescecani with regard to the bankruptcy fraud of Livingston Energy Flight company.

[9] In May 2016, Giordano and his colleague Maurizio Belpietro spread racial hatred against the Romani people with "xenophobe and racist intent".

[10] In 2020, Giordano and his colleague Vittorio Feltri spred racial hatred against southerner Italians, with "xenophobe and racist intent".

[11][12] That same year, Giordano was sued by the Naples City Council for racism and racial hate speech.