Source: Siddur Ashkenaz, Sefaria
Prayer and advice for Protection
Only what exists and is grounded is shown here. We do not add items just to fill every step.
1. Prayer
Source: Siddur Sefard, Sefaria
Source: Siddur Edot HaMizrach, Sefaria
2. Psalm
Source: Miqra according to the Masorah (CC BY-SA 4.0)
Opening: יֹשֵׁב בְּסֵתֶר עֶלְיוֹן בְּצֵל שַׁדַּי…
Thematic match: this is not an explicit instruction of Rabbi Nachman on this topic.
3. Documented segula
A segula is not a promise of a result. It is brought here as written in the source, for study and prayer.
As written in the source
24. A segulah to be saved from enemies, whether enemies of strife or enemies on the road whom one fears: to say all the cantillation marks of the Torah, namely pashta, munach, zarka, etc.
View original Hebrew
כד. סְגֻלָּה לְהִנָּצֵל מִשּׂוֹנְאִים, הֵן שֹוֹנְאִים שֶׁל מַחֲלקֶת הֵן שֹוֹנְאִים שֶׁבַּדֶּרֶךְ, שֶׁמִּתְיָרֵא מֵהֶם, לוֹמַר כָּל הַטְּעָמִים שֶׁבַּתּוֹרָה, דְּהַיְנוּ פַּשְׁטָא מֻנַּח זַרְקָא וְכוּ'.
ספר המידות · מריבה · חלק שני · אות כ״ד A segula is not a promise of a result. It is brought here as written in the source, for study and prayer.
4. For any need: prayer in your own words
A general alternative, not a dedicated match for this topic: Rabbi Nachman teaches to speak with God in your own words about everything.
5. Go deeper with your Study Partner
Ask in your own words, and get a reasoned answer from the sources.