Chillul Hashem (חילול השם) (Hebrew: "Desecration [of] the God's Name") is a term used in Orthodox Judaism particularly for any act or behavior that casts shame or brings disrepute to belief in God, any aspect of the Torah's teachings, or Jewish law. “Hebrew” redirects here. ... At the bottom of the hands, the two letters on each hand combine to form יהוה (YHVH), the name of God. ... This article or section does not adequately cite its references or sources. ... Tora redirects here. ... Halakha (Hebrew: הלכה; also transliterated as Halakhah, Halacha, Halakhot and Halachah with pronunciation emphasis on the third syllable, kha), is the collective corpus of Jewish religious law, including biblical law (the 613 mitzvot) and later talmudic and rabbinic law as well as customs and traditions. ...

Source

The source for this commandment is to be found in the Book of Leviticus: "And you shall not profane My holy name; but I will be hallowed among the children of Israel: I am the Lord who hallows you" - the Biblical Lev. 22:32 term meaning to bring dishonour or shame to God's name by an action or lack thereof. Any behavior or action that disgraces, harms or shames God and his Torah is regarded as a Chillul Hashem ("desecration of God's name") by Orthodox Jews. Whereas any action by a Jew that brings honor, respect, and glory to God is considered to be a Kiddush Hashem. Leviticus is the third book of the Hebrew Bible, also the third book in the Torah (five books of Moses). ... Kiddush Hashem (קידוש השם sanctification of God or making Gods name holy in Hebrew) is a precept of Judaism as expressed in the Torah for any Jew to: To sanctify His Name Lev. ...